Kei Sakamoto

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multilayer phase difference plate, polarizing plate, and image disp...
- Patent number 12,038,650
- Issue date Jul 16, 2024
- Zeon Corporation
- Masakazu Saito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polymerizable liquid crystal material, polymerizable liquid crystal...
- Patent number 11,492,552
- Issue date Nov 8, 2022
- Zeon Corporation
- Shunpei Nakajima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compound, polymerizable compound, mixture, polymerizable liquid cry...
- Patent number 11,203,716
- Issue date Dec 21, 2021
- Zeon Corporation
- Kei Sakamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, optical...
- Patent number 11,091,452
- Issue date Aug 17, 2021
- Zeon Corporation
- Kei Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,954,443
- Issue date Mar 23, 2021
- Zeon Corporation
- Kei Sakamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Vehicle-mounted gateway apparatus and vehicle mounted gateway system
- Patent number 10,945,199
- Issue date Mar 9, 2021
- Kabushiki Kaisha Toshiba
- Masayuki Omiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mixture of polymerizable compound and method of producing the same
- Patent number 10,934,246
- Issue date Mar 2, 2021
- Zeon Corporation
- Kei Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,730,844
- Issue date Aug 4, 2020
- ZEON CORPORATION
- Kei Sakamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,647,794
- Issue date May 12, 2020
- Zeon Corporation
- Kei Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing acid halide solution and method of producing mo...
- Patent number 10,633,323
- Issue date Apr 28, 2020
- ZEON CORPORATION
- Kanako Sanuki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing solution composition containing monoetherified...
- Patent number 10,633,319
- Issue date Apr 28, 2020
- ZEON CORPORATION
- Satoshi Kiriki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixture of polymerizable compound and method of producing the same
- Patent number 10,577,306
- Issue date Mar 3, 2020
- ZEON CORPORATION
- Kei Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production intermediate of polymerizable compound, production metho...
- Patent number 10,538,477
- Issue date Jan 21, 2020
- ZEON CORPORATION
- Kumi Okuyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing acid halide solution, mixed solution, and meth...
- Patent number 10,508,072
- Issue date Dec 17, 2019
- ZEON CORPORATION
- Kumi Okuyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, optical...
- Patent number 10,487,065
- Issue date Nov 26, 2019
- Zeon Corporation
- Kei Sakamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,400,170
- Issue date Sep 3, 2019
- ZEON CORPORATION
- Kei Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,392,343
- Issue date Aug 27, 2019
- ZEON CORPORATION
- Kei Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,329,247
- Issue date Jun 25, 2019
- Zeon Corporation
- Kei Sakamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,273,322
- Issue date Apr 30, 2019
- Zeon Corporation
- Kei Sakamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 10,227,292
- Issue date Mar 12, 2019
- Zeon Corporation
- Kei Sakamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, optical...
- Patent number 10,173,992
- Issue date Jan 8, 2019
- Zeon Corporation
- Kei Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing polymerizable compound
- Patent number 10,059,679
- Issue date Aug 28, 2018
- ZEON CORPORATION
- Kumi Okuyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 9,868,710
- Issue date Jan 16, 2018
- ZEON CORPORATION
- Kei Sakamoto
- G02 - OPTICS
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 9,856,333
- Issue date Jan 2, 2018
- Zeon Corporation
- Kei Sakamoto
- G02 - OPTICS
Information Patent Grant
Semiconductor memory device with contact plugs extending inside con...
- Patent number 9,831,121
- Issue date Nov 28, 2017
- TOSHIBA MEMORY CORPORATION
- Takamasa Okawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 9,776,954
- Issue date Oct 3, 2017
- Zeon Corporation
- Kei Sakamoto
- G02 - OPTICS
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 9,777,096
- Issue date Oct 3, 2017
- Zeon Corporation
- Kei Sakamoto
- G02 - OPTICS
Information Patent Grant
Semiconductor memory device and production method thereof
- Patent number 9,679,911
- Issue date Jun 13, 2017
- Kabushiki Kaisha Toshiba
- Ryosuke Sawabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, optical...
- Patent number 9,586,917
- Issue date Mar 7, 2017
- Zeon Corporation
- Kei Sakamoto
- G02 - OPTICS
Information Patent Grant
Polymerizable compound, polymerizable composition, polymer, and opt...
- Patent number 9,512,251
- Issue date Dec 6, 2016
- Zeon Corporation
- Kei Sakamoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PLASTICIZER COMPOSITION, RESIN COMPOSITION, RESIN MOLDED PRODUCT, A...
- Publication number 20250042064
- Publication date Feb 6, 2025
- ZEON CORPORATION
- Shota NISHIMURA
- B32 - LAYERED PRODUCTS
Information Patent Application
MULTILAYER PHASE DIFFERENCE PLATE, POLARIZING PLATE, AND IMAGE DISP...
- Publication number 20220177419
- Publication date Jun 9, 2022
- Zeon Corporation
- Masakazu SAITO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYMERIZABLE LIQUID CRYSTAL MATERIAL, POLYMERIZABLE LIQUID CRYSTAL...
- Publication number 20200369958
- Publication date Nov 26, 2020
- ZEON CORPORATION
- Shunpei NAKAJIMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF PRODUCING POLYMERIZABLE COMPOUND, AND SOLUTION OF POLYMER...
- Publication number 20200283399
- Publication date Sep 10, 2020
- ZEON CORPORATION
- Kumi OKUYAMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYMERIZABLE COMPOUND AND A PRODUCTION METHOD FOR SAME, POLYMERIZA...
- Publication number 20200262801
- Publication date Aug 20, 2020
- ZEON CORPORATION
- Kei SAKAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
VEHICLE-MOUNTED GATEWAY APPARATUS AND VEHICLE-MOUNTED GATEWAY SYSTEM
- Publication number 20200245234
- Publication date Jul 30, 2020
- KABUSHIKI KAISHA TOSHIBA
- Masayuki OMIYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIXTURE OF POLYMERIZABLE COMPOUND AND METHOD OF PRODUCING THE SAME
- Publication number 20200148622
- Publication date May 14, 2020
- Zeon Corporation
- Kei SAKAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MIXTURE, POLYMER, OPTICAL FILM, OPTICALLY ANISOTROPIC PRODUCT, POLA...
- Publication number 20200115482
- Publication date Apr 16, 2020
- Zeon Corporation
- Kei Sakamoto
- G02 - OPTICS
Information Patent Application
POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL...
- Publication number 20200048213
- Publication date Feb 13, 2020
- Zeon Corporation
- Kei SAKAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYMERIZABLE COMPOUND, POLYMERIZABLE LIQUID CRYSTAL MIXTURE, POLYM...
- Publication number 20200031786
- Publication date Jan 30, 2020
- ZEON CORPORATION
- Kei SAKAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MIXTURE, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL FILM, OPTICALL...
- Publication number 20200031971
- Publication date Jan 30, 2020
- ZEON CORPORATION
- Kei SAKAMOTO
- G02 - OPTICS
Information Patent Application
PHASE DIFFERENCE PLATE, MULTILAYER PHASE DIFFERENCE PLATE, POLARIZI...
- Publication number 20200012026
- Publication date Jan 9, 2020
- ZEON CORPORATION
- Masakazu SAITO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, AND OPT...
- Publication number 20190359890
- Publication date Nov 28, 2019
- Zeon Corporation
- Kei Sakamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMERIZABLE COMPOUND, MIXTURE, POLYMERIZABLE LIQUID CRYSTAL COMPO...
- Publication number 20190330399
- Publication date Oct 31, 2019
- ZEON CORPORATION
- Kei SAKAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOUND, POLYMERIZABLE LIQUID CRYSTAL MIXTURE, POLYM...
- Publication number 20190322936
- Publication date Oct 24, 2019
- ZEON CORPORATION
- Kei SAKAMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL...
- Publication number 20190322872
- Publication date Oct 24, 2019
- ZEON CORPORATION
- Kei SAKAMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMERIZABLE COMPOUND, MIXTURE, POLYMER, OPTICAL FILM, OPTICALLY A...
- Publication number 20190315893
- Publication date Oct 17, 2019
- ZEON CORPORATION
- Kei SAKAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLIC POLYMER COMPOSITION
- Publication number 20190276634
- Publication date Sep 12, 2019
- ZEON CORPORATION
- Mitsuru SUGAWARA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOUND, POLYMERIZABLE COMPOUND, MIXTURE, POLYMERIZABLE LIQUID CRY...
- Publication number 20190264107
- Publication date Aug 29, 2019
- Zeon Corporation
- Kei SAKAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, AND OPT...
- Publication number 20190202948
- Publication date Jul 4, 2019
- Zeon Corporation
- Kei Sakamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF PRODUCING POLYMERIZABLE COMPOUND, HALOGENATED COMPOUND, A...
- Publication number 20190152934
- Publication date May 23, 2019
- ZEON CORPORATION
- Kei SAKAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PRODUCING COMPOUND, COMPOUND, AND MIXTURE
- Publication number 20190144371
- Publication date May 16, 2019
- ZEON CORPORATION
- Kei SAKAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ACRYLIC POLYMER COMPOSITION
- Publication number 20190112466
- Publication date Apr 18, 2019
- ZEON CORPORATION
- Mitsuru SUGAWARA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLIC POLYMER COMPOSITION
- Publication number 20190112467
- Publication date Apr 18, 2019
- ZEON CORPORATION
- Mitsuru SUGAWARA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLIC POLYMER COMPOSITION
- Publication number 20190106552
- Publication date Apr 11, 2019
- ZEON CORPORATION
- Mitsuru SUGAWARA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF PRODUCING SOLUTION COMPOSITION CONTAINING MONOETHERIFIED...
- Publication number 20190077738
- Publication date Mar 14, 2019
- ZEON CORPORATION
- Satoshi KIRIKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL...
- Publication number 20190062289
- Publication date Feb 28, 2019
- Zeon Corporation
- Kei SAKAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PRODUCING ACID HALIDE SOLUTION AND METHOD OF PRODUCING MO...
- Publication number 20190016662
- Publication date Jan 17, 2019
- ZEON CORPORATION
- Kanako SANUKI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING ACID HALIDE SOLUTION, MIXED SOLUTION, AND METH...
- Publication number 20180346401
- Publication date Dec 6, 2018
- ZEON CORPORATION
- Kumi OKUYAMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MIXTURE OF POLYMERIZABLE COMPOUND AND METHOD OF PRODUCING THE SAME
- Publication number 20180099921
- Publication date Apr 12, 2018
- ZEON CORPORATION
- Kei SAKAMOTO
- G02 - OPTICS

Kei Sakamoto

Person

Patents Grantslast 30 patents

Multilayer phase difference plate, polarizing plate, and image disp...

Polymerizable liquid crystal material, polymerizable liquid crystal...

Compound, polymerizable compound, mixture, polymerizable liquid cry...

Polymerizable compound, polymerizable composition, polymer, optical...

Polymerizable compound, polymerizable composition, polymer, and opt...

Vehicle-mounted gateway apparatus and vehicle mounted gateway system

Mixture of polymerizable compound and method of producing the same

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, and opt...

Method of producing acid halide solution and method of producing mo...

Method of producing solution composition containing monoetherified...

Mixture of polymerizable compound and method of producing the same

Production intermediate of polymerizable compound, production metho...

Method for producing acid halide solution, mixed solution, and meth...

Polymerizable compound, polymerizable composition, polymer, optical...

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, optical...

Method for producing polymerizable compound

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, and opt...

Semiconductor memory device with contact plugs extending inside con...

Polymerizable compound, polymerizable composition, polymer, and opt...

Polymerizable compound, polymerizable composition, polymer, and opt...

Semiconductor memory device and production method thereof

Polymerizable compound, polymerizable composition, polymer, optical...

Polymerizable compound, polymerizable composition, polymer, and opt...

Patents Applicationslast 30 patents

PLASTICIZER COMPOSITION, RESIN COMPOSITION, RESIN MOLDED PRODUCT, A...

MULTILAYER PHASE DIFFERENCE PLATE, POLARIZING PLATE, AND IMAGE DISP...

POLYMERIZABLE LIQUID CRYSTAL MATERIAL, POLYMERIZABLE LIQUID CRYSTAL...

METHOD OF PRODUCING POLYMERIZABLE COMPOUND, AND SOLUTION OF POLYMER...

POLYMERIZABLE COMPOUND AND A PRODUCTION METHOD FOR SAME, POLYMERIZA...

VEHICLE-MOUNTED GATEWAY APPARATUS AND VEHICLE-MOUNTED GATEWAY SYSTEM

MIXTURE OF POLYMERIZABLE COMPOUND AND METHOD OF PRODUCING THE SAME

MIXTURE, POLYMER, OPTICAL FILM, OPTICALLY ANISOTROPIC PRODUCT, POLA...

POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL...

POLYMERIZABLE COMPOUND, POLYMERIZABLE LIQUID CRYSTAL MIXTURE, POLYM...

MIXTURE, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL FILM, OPTICALL...

PHASE DIFFERENCE PLATE, MULTILAYER PHASE DIFFERENCE PLATE, POLARIZI...

POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, AND OPT...

POLYMERIZABLE COMPOUND, MIXTURE, POLYMERIZABLE LIQUID CRYSTAL COMPO...

POLYMERIZABLE COMPOUND, POLYMERIZABLE LIQUID CRYSTAL MIXTURE, POLYM...

POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL...

POLYMERIZABLE COMPOUND, MIXTURE, POLYMER, OPTICAL FILM, OPTICALLY A...

ACRYLIC POLYMER COMPOSITION

COMPOUND, POLYMERIZABLE COMPOUND, MIXTURE, POLYMERIZABLE LIQUID CRY...

POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, AND OPT...

METHOD OF PRODUCING POLYMERIZABLE COMPOUND, HALOGENATED COMPOUND, A...

METHOD OF PRODUCING COMPOUND, COMPOUND, AND MIXTURE

ACRYLIC POLYMER COMPOSITION

ACRYLIC POLYMER COMPOSITION

ACRYLIC POLYMER COMPOSITION

METHOD OF PRODUCING SOLUTION COMPOSITION CONTAINING MONOETHERIFIED...

POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION, POLYMER, OPTICAL...

METHOD OF PRODUCING ACID HALIDE SOLUTION AND METHOD OF PRODUCING MO...

METHOD FOR PRODUCING ACID HALIDE SOLUTION, MIXED SOLUTION, AND METH...

MIXTURE OF POLYMERIZABLE COMPOUND AND METHOD OF PRODUCING THE SAME