Tadashi HAYAKAWA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,768,448
- Issue date Sep 26, 2023
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 11,550,239
- Issue date Jan 10, 2023
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aqueous bonding composition
- Patent number 11,485,883
- Issue date Nov 1, 2022
- Henkel AG & Co., KGaA
- Tsuyoshi Tamogami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Powder container and image forming apparatus
- Patent number 11,467,516
- Issue date Oct 11, 2022
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,429,036
- Issue date Aug 30, 2022
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 11,281,124
- Issue date Mar 22, 2022
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,275,327
- Issue date Mar 15, 2022
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 11,249,421
- Issue date Feb 15, 2022
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container which discharges toner from a lower side and in...
- Patent number 11,188,007
- Issue date Nov 30, 2021
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,948,850
- Issue date Mar 16, 2021
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 10,908,531
- Issue date Feb 2, 2021
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 10,754,275
- Issue date Aug 25, 2020
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Developer container having a cap with three portions of different d...
- Patent number 10,725,398
- Issue date Jul 28, 2020
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hot-melt pressure-sensitive adhesive
- Patent number 10,604,682
- Issue date Mar 31, 2020
- Henkel AG & Co. KGaA
- Yukio Isobe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 10,496,009
- Issue date Dec 3, 2019
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,474,062
- Issue date Nov 12, 2019
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 10,466,623
- Issue date Nov 5, 2019
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hot melt adhesive
- Patent number 10,392,541
- Issue date Aug 27, 2019
- Henkel AG & Co. KGaA
- Makoto Takenaka
- B32 - LAYERED PRODUCTS
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 10,281,843
- Issue date May 7, 2019
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,989,887
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 9,983,509
- Issue date May 29, 2018
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hot melt pressure-sensitive adhesive for labeling
- Patent number 9,828,535
- Issue date Nov 28, 2017
- Henkel AG & Co. KGaA
- Makoto Takenaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hot melt adhesive
- Patent number 9,790,409
- Issue date Oct 17, 2017
- Henkel AG & Co. KGaA
- Makoto Takenaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Powder container including a container portion to be engaged with a...
- Patent number 9,740,139
- Issue date Aug 22, 2017
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,599,927
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 9,547,258
- Issue date Jan 17, 2017
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder supply device and image forming apparatus
- Patent number 9,482,987
- Issue date Nov 1, 2016
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus incorporating same
- Patent number 9,405,221
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Makoto Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cap, powder container, developer supply device, and image forming a...
- Patent number 9,285,763
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Makoto Komatsu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,256,158
- Issue date Feb 9, 2016
- Ricoh Company, Limited
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20230418181
- Publication date Dec 28, 2023
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20220357684
- Publication date Nov 10, 2022
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20220163905
- Publication date May 26, 2022
- RICOH COMPANY, LTD.
- Junichi MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20210364949
- Publication date Nov 25, 2021
- RICOH COMPANY, LTD.
- Junichi MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20210356884
- Publication date Nov 18, 2021
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20210124286
- Publication date Apr 29, 2021
- RICOH COMPANY, LTD.
- Junichi MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20210116842
- Publication date Apr 22, 2021
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...
- Publication number 20210088933
- Publication date Mar 25, 2021
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...
- Publication number 20200348615
- Publication date Nov 5, 2020
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
AQUEOUS BONDING COMPOSITION
- Publication number 20200199416
- Publication date Jun 25, 2020
- Henkel AG & Co. KGaA
- Tsuyoshi TAMOGAMI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Moisture-Curable Hot-Melt Adhesive Agent
- Publication number 20200095471
- Publication date Mar 26, 2020
- Henkel AG & Co. KGaA
- Kenji Matsuda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Moisture-Curable Hot-Melt Adhesive Agent
- Publication number 20200087542
- Publication date Mar 19, 2020
- Henkel AG & Co. KGaA
- Kenji Matsuda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Moisture-Curable Hot-Melt Adhesive Agent
- Publication number 20200087543
- Publication date Mar 19, 2020
- Henkel AG & Co. KGaA
- Kenji Matsuda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20200033757
- Publication date Jan 30, 2020
- RICOH COMPANY, LTD.
- Junichi MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20200033758
- Publication date Jan 30, 2020
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...
- Publication number 20200026220
- Publication date Jan 23, 2020
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20190235416
- Publication date Aug 1, 2019
- RICOH COMPANY, LTD.
- Junichi MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20180253028
- Publication date Sep 6, 2018
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180239278
- Publication date Aug 23, 2018
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20170315473
- Publication date Nov 2, 2017
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20170153572
- Publication date Jun 1, 2017
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
HOT-MELT PRESSURE-SENSITIVE ADHESIVE
- Publication number 20170022399
- Publication date Jan 26, 2017
- Henkel AG & Co. KGaA
- Yukio ISOBE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Hot Melt Adhesive
- Publication number 20160237329
- Publication date Aug 18, 2016
- Henkel AG & Co. KGaA
- Makoto Takenaka
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT MELT ADHESIVE
- Publication number 20160075924
- Publication date Mar 17, 2016
- Henkel AG & Co. KGaA
- Makoto TAKENAKA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MOISTURE-CURABLE HOT-MELT ADHESIVE AGENT
- Publication number 20150376480
- Publication date Dec 31, 2015
- Henkel AG & Co. KGaA
- Tsuyoshi Tamogami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20150338775
- Publication date Nov 26, 2015
- Ricoh Company, Limited
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20150293485
- Publication date Oct 15, 2015
- Yasufumi TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HOT MELT PRESSURE-SENSITIVE ADHESIVE FOR LABELING
- Publication number 20150197676
- Publication date Jul 16, 2015
- Henkel AG & Co. KGaA
- Makoto Takenaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CAP, POWDER CONTAINER, DEVELOPER SUPPLY DEVICE, AND IMAGE FORMING A...
- Publication number 20150104218
- Publication date Apr 16, 2015
- Makoto KOMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20140341602
- Publication date Nov 20, 2014
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Tadashi HAYAKAWA

Person

Patents Grantslast 30 patents

Information storage system including a plurality of terminals

Powder container, powder supply device and image forming apparatus

Aqueous bonding composition

Powder container and image forming apparatus

Information storage system including a plurality of terminals

Powder container, powder supply device and image forming apparatus

Information storage system including a plurality of terminals

Powder container, powder supply device and image forming apparatus

Developer container which discharges toner from a lower side and in...

Powder container and image forming apparatus

Powder container, powder supply device and image forming apparatus

Apparatus and method for preventing an information storage device f...

Developer container having a cap with three portions of different d...

Hot-melt pressure-sensitive adhesive

Apparatus and method for preventing an information storage device f...

Powder container and image forming apparatus

Powder container, powder supply device and image forming apparatus

Hot melt adhesive

Powder container, powder supply device and image forming apparatus

Apparatus and method for preventing an information storage device f...

Powder container, powder supply device and image forming apparatus

Hot melt pressure-sensitive adhesive for labeling

Hot melt adhesive

Powder container including a container portion to be engaged with a...

Apparatus and method for preventing an information storage device f...

Powder container, powder supply device and image forming apparatus

Powder container, powder supply device and image forming apparatus

Powder container and image forming apparatus incorporating same

Cap, powder container, developer supply device, and image forming a...

Apparatus and method for preventing an information storage device f...

Patents Applicationslast 30 patents

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...

DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...

AQUEOUS BONDING COMPOSITION

Moisture-Curable Hot-Melt Adhesive Agent

Moisture-Curable Hot-Melt Adhesive Agent

Moisture-Curable Hot-Melt Adhesive Agent

POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...

POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

POWDER CONTAINER, POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

HOT-MELT PRESSURE-SENSITIVE ADHESIVE

Hot Melt Adhesive

HOT MELT ADHESIVE

MOISTURE-CURABLE HOT-MELT ADHESIVE AGENT

POWDER CONTAINER AND IMAGE FORMING APPARATUS

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

HOT MELT PRESSURE-SENSITIVE ADHESIVE FOR LABELING

CAP, POWDER CONTAINER, DEVELOPER SUPPLY DEVICE, AND IMAGE FORMING A...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...