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Yasutomo Shimizu
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Urethane resin using polyrotaxane, and pad for polishing
Patent number
11,912,813
Issue date
Feb 27, 2024
Tokuyama Corporation
Yasutomo Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photochromic compound and curable composition containing said photo...
Patent number
11,767,467
Issue date
Sep 26, 2023
Tokuyama Corporation
Takao Noguchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photochromic curable composition, use thereof, and polyrotaxane mon...
Patent number
11,649,327
Issue date
May 16, 2023
Tokuyama Corporation
Shinobu Izumi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyrotaxane, production method therefor, and optical composition c...
Patent number
11,578,174
Issue date
Feb 14, 2023
Tokuyama Corporation
Yasutomo Shimizu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photochromic polyrotaxane compound and curable composition comprisi...
Patent number
11,066,523
Issue date
Jul 20, 2021
Tokuyama Corporation
Junji Takenaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Urethane resin comprising a polyrotaxane and polishing pad
Patent number
10,920,007
Issue date
Feb 16, 2021
Tokuyama Corporation
Yasutomo Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing a photochromic cured body
Patent number
10,526,533
Issue date
Jan 7, 2020
Tokuyama Corporation
Yasutomo Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyrotaxane, production method therefor, and optical composition c...
Patent number
10,494,488
Issue date
Dec 3, 2019
Tokuyama Corporation
Yasutomo Shimizu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photochromic composition
Patent number
10,125,309
Issue date
Nov 13, 2018
Tokuyama Corporation
Yasutomo Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photochromic curable composition, cured product thereof and laminat...
Patent number
9,890,324
Issue date
Feb 13, 2018
Tokuyama Corporation
Yasutomo Shimizu
G02 - OPTICS
Information
Patent Grant
Curable composition and photochromic composition
Patent number
9,873,819
Issue date
Jan 23, 2018
Tokuyama Corporation
Yasutomo Shimizu
G02 - OPTICS
Information
Patent Grant
Photochromic composition and optical article using photochromic com...
Patent number
9,513,407
Issue date
Dec 6, 2016
Tokuyama Corporation
Toshimitsu Hiraren
G02 - OPTICS
Information
Patent Grant
Photocromic composition
Patent number
9,377,664
Issue date
Jun 28, 2016
Tokuyama Corporation
Toshimitsu Hiraren
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photochromic composition
Patent number
9,316,765
Issue date
Apr 19, 2016
Tokuyama Corporation
Katsuhiro Mori
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Photochromic composition
Patent number
9,234,984
Issue date
Jan 12, 2016
Tokuyama Corporation
Toshimitsu Hiraren
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Chromene compound and curable composition
Patent number
8,916,071
Issue date
Dec 23, 2014
Tokuyama Corporation
Yasutomo Shimizu
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
NOVEL FINE HOLLOW PARTICLES COMPRISING MELAMINE-BASED RESIN
Publication number
20240301171
Publication date
Sep 12, 2024
KAGOSHIMA UNIVERSITY
Masahiro YOSHIDA
B24 - GRINDING POLISHING
Information
Patent Application
HOLLOW MICROBALLOON
Publication number
20240101751
Publication date
Mar 28, 2024
Tokuyama Corporation
Yasutomo SHIMIZU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CURABLE COMPOSITION CONTAINING CYCLIC MULTIFUNCTIONAL MONOMER
Publication number
20240101819
Publication date
Mar 28, 2024
Tokuyama Corporation
Yasutomo SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NOVEL CURABLE COMPOSITION CONTAINING CYCLIC MONOMER
Publication number
20240084067
Publication date
Mar 14, 2024
Tokuyama Corporation
Kazuishi FUKUDA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE FUNCTIONAL GROUP-CONTAINING MICROBALLOON
Publication number
20230390890
Publication date
Dec 7, 2023
Tokuyama Corporation
Yasutomo SHIMIZU
B24 - GRINDING POLISHING
Information
Patent Application
CURABLE COMPOSITION AND CURED ARTICLE THEREOF
Publication number
20230365739
Publication date
Nov 16, 2023
Tokuyama Corporation
Yasutomo SHIMIZU
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYFUNCTIONAL QUATERNARY AMMONIUM SALT OF SULFONIC ACID HAVING ACT...
Publication number
20230265053
Publication date
Aug 24, 2023
Tokuyama Corporation
Yasutomo SHIMIZU
B24 - GRINDING POLISHING
Information
Patent Application
LAMINATED POLISHING PAD
Publication number
20230211454
Publication date
Jul 6, 2023
Tokuyama Corporation
Yasutomo SHIMIZU
B24 - GRINDING POLISHING
Information
Patent Application
HOLLOW MICROBALLOONS
Publication number
20230203234
Publication date
Jun 29, 2023
Tokuyama Corporation
Yasutomo SHIMIZU
B24 - GRINDING POLISHING
Information
Patent Application
HOLLOW MICROBALLOONS FOR CMP POLISHING PAD
Publication number
20230151179
Publication date
May 18, 2023
Tokuyama Corporation
Yasutomo SHIMIZU
B24 - GRINDING POLISHING
Information
Patent Application
IONIC-GROUP-CONTAINING MICROBALLOON AND PRODUCTION METHOD THEREFOR
Publication number
20230028836
Publication date
Jan 26, 2023
Tokuyama Corporation
Yasutomo SHIMIZU
B24 - GRINDING POLISHING
Information
Patent Application
MICROBALLOON PRODUCTION METHOD
Publication number
20220387956
Publication date
Dec 8, 2022
Tokuyama Corporation
Yasutomo SHIMIZU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PHOTOCHROMIC COMPOUND AND CURABLE COMPOSITION CONTAINING SAID PHOTO...
Publication number
20210292641
Publication date
Sep 23, 2021
Tokuyama Corporation
Takao NOGUCHI
G02 - OPTICS
Information
Patent Application
URETHANE RESIN USING POLYROTAXANE, AND PAD FOR POLISHING
Publication number
20210155736
Publication date
May 27, 2021
Tokuyama Corporation
Yasutomo SHIMIZU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LOW MOISTURE CONTENT POLYROTAXANE MONOMER AND CURABLE COMPOSITION C...
Publication number
20210122874
Publication date
Apr 29, 2021
Tokuyama Corporation
Yasutomo SHIMIZU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PHOTOCHROMIC POLYROTAXANE COMPOUND AND CURABLE COMPOSITION COMPRISI...
Publication number
20200172681
Publication date
Jun 4, 2020
Tokuyama Corporation
Junji TAKENAKA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyrotaxane, Production Method Therefor, and Optical Composition C...
Publication number
20200071467
Publication date
Mar 5, 2020
Tokuyama Corporation
Yasutomo Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
URETHANE RESIN COMPRISING A POLYROTAXANE AND POLISHING PAD
Publication number
20190263961
Publication date
Aug 29, 2019
Tokuyama Corporation
Yasutomo SHIMIZU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Photochromic Curable Composition, Use Thereof, and Polyrotaxane Mon...
Publication number
20190161585
Publication date
May 30, 2019
Tokuyama Corporation
Shinobu Izumi
G02 - OPTICS
Information
Patent Application
Polyrotaxane, Production Method Therefor, and Optical Composition C...
Publication number
20180312643
Publication date
Nov 1, 2018
Tokuyama Corporation
Yasutomo Shimizu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PHOTOCHROMIC COATING COMPOSITION
Publication number
20180244931
Publication date
Aug 30, 2018
Tokuyama Corporation
Katsuhiro MORI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING A PHOTOCHROMIC CURED BODY
Publication number
20180030341
Publication date
Feb 1, 2018
Tokuyama Corporation
Yasutomo SHIMIZU
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CURABLE COMPOSITION AND PHOTOCHROMIC COMPOSITION
Publication number
20170210943
Publication date
Jul 27, 2017
Tokuyama Corporation
Yasutomo SHIMIZU
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PHOTOCHROMIC COMPOSITION
Publication number
20160222285
Publication date
Aug 4, 2016
Tokuyama Corporation
Yasutomo SHIMIZU
B32 - LAYERED PRODUCTS
Information
Patent Application
PHOTOCHROMIC CURABLE COMPOSITION
Publication number
20160116765
Publication date
Apr 28, 2016
Tokuyama Corporation
Yasutomo SHIMIZU
B32 - LAYERED PRODUCTS
Information
Patent Application
PHOTOCHROMIC CURABLE COMPOSITION, CURED PRODUCT THEREOF AND LAMINAT...
Publication number
20160002524
Publication date
Jan 7, 2016
Tokuyama Corporation
Yasutomo SHIMIZU
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CHROMENE COMPOUND
Publication number
20150034887
Publication date
Feb 5, 2015
Tokuyama Corporation
Shinobu Izumi
G02 - OPTICS
Information
Patent Application
Photochromic Composition
Publication number
20140340727
Publication date
Nov 20, 2014
Tokuyama Corporation
Katsuhiro Mori
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CHROMENE COMPOUND AND CURABLE COMPOSITION
Publication number
20140225050
Publication date
Aug 14, 2014
Tokuyama Corporation
Yasutomo Shimizu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Photochromic Composition and Optical Article Using Photochromic Com...
Publication number
20140043586
Publication date
Feb 13, 2014
Tokuyama Corporation
Toshimitsu Hiraren
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...