Masashi Yamamoto

Person

Sakai-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Nonaqueous electrolyte solution for secondary battery, and secondar...
- Patent number 12,191,448
- Issue date Jan 7, 2025
- Stella Chemifa Corporation
- Toshitaka Sakaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell catalyst, membrane electrode assembly for fuel cell, and...
- Patent number 11,469,424
- Issue date Oct 11, 2022
- STELLA CHEMIFA CORPORATION
- Sojiro Kon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous electrolytic solution for power storage element
- Patent number 11,180,515
- Issue date Nov 23, 2021
- Stella Chemifa Corporation
- Toshitaka Sakaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphoric acid diester salt, production method therefor, non-aqueo...
- Patent number 10,793,585
- Issue date Oct 6, 2020
- STELLA CHEMIFA CORPORATION
- Toshitaka Sakaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer body and container
- Patent number 9,327,879
- Issue date May 3, 2016
- Toyo Aluminium Kabushiki Kaisha
- Tomonobu Sekiguchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Quaternary ammonium salt and composition, and electrochemical device
- Patent number 8,747,690
- Issue date Jun 10, 2014
- Otsuka Chemical Co., Ltd.
- Tetsuo Nishida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary ammonium salt and composition, and electrochemical device
- Patent number 8,366,956
- Issue date Feb 5, 2013
- Otsuka Chemical Co., Ltd.
- Tetsuo Nishida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary ammonium salt, electrolyte, and electrochemical device
- Patent number 7,834,197
- Issue date Nov 16, 2010
- Otsuka Chemical Co., Ltd.
- Tetsuo Nishida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Non-fixing type image receiving sheet, image forming method and ima...
- Patent number 6,775,507
- Issue date Aug 10, 2004
- Minolta Co., Ltd.
- Masahiko Matsuura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Image forming apparatus and method thereof
- Patent number 6,577,827
- Issue date Jun 10, 2003
- Minolta Co., Ltd.
- Masahiko Matsuura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having rotatable charging brush with varyin...
- Patent number 5,845,172
- Issue date Dec 1, 1998
- Minolta Co., Ltd.
- Hitoshi Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,774,169
- Issue date Jun 30, 1998
- Minolta Co., Ltd.
- Akihito Ikegawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus having contact charger
- Patent number 5,689,777
- Issue date Nov 18, 1997
- Minolta Co., Ltd.
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a contact type charging device
- Patent number 5,576,807
- Issue date Nov 19, 1996
- Minolta Co., Ltd.
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having contact charger
- Patent number 5,576,808
- Issue date Nov 19, 1996
- Minolta Co., Ltd.
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact type charging device and image forming apparatus having the...
- Patent number 5,557,375
- Issue date Sep 17, 1996
- Minolta Co., Ltd.
- Keiko Nagayasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning method for contact charging means in image forming apparatus
- Patent number 5,541,717
- Issue date Jul 30, 1996
- Minolta Co., Ltd.
- Hitoshi Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger and image forming apparatus provided with same
- Patent number 5,504,561
- Issue date Apr 2, 1996
- Minolta Co., Ltd.
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device for charging outer surface of photosensitive member...
- Patent number 5,402,213
- Issue date Mar 28, 1995
- Minolta Camera Kabushiki Kaisha
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger having a curved surface
- Patent number 5,376,995
- Issue date Dec 27, 1994
- Minolta Camera Kabushiki Kaisha
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Package
- Patent number 5,330,269
- Issue date Jul 19, 1994
- Toyo Aluminum Kabushiki Kaisha
- Mamoru Kamada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Monocomponent developing device
- Patent number 5,061,963
- Issue date Oct 29, 1991
- Minolta Camera Kabushiki Kaisha
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Monocomponent developing device
- Patent number 5,060,021
- Issue date Oct 22, 1991
- Minolta Camera Kabushiki Kaisha
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Low-temperature show case
- Patent number 5,009,080
- Issue date Apr 23, 1991
- Sanyo Electric Co., Ltd.
- Hiroshi Naganuma
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Monocomponent developing device
- Patent number 5,008,708
- Issue date Apr 16, 1991
- Minolta Camera Kabushiki Kaisha
- Yuji Enoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing member composed of conductive particles in a dielectric...
- Patent number 4,990,963
- Issue date Feb 5, 1991
- Minolta Camera Co., Ltd. Senri Center
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image developing device for monocomponent tone...
- Patent number 4,974,028
- Issue date Nov 27, 1990
- Minolta Camera Kabushiki Kaisha
- Yuji Enoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer for electrostatic latent image containing fine particle c...
- Patent number 4,973,540
- Issue date Nov 27, 1990
- Minolta Camera Kabushiki Kaisha
- Junji Machida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Insulating box and a method for its manufacture
- Patent number 4,962,865
- Issue date Oct 16, 1990
- Sanyo Electric Co., Ltd.
- Zenichi Kakinuma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Monocomponent developing device
- Patent number 4,907,032
- Issue date Mar 6, 1990
- Minolta Camera Kabushiki Kaisha
- Yuji Enoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CELL CULTURE MEMBER AND METHOD FOR MODIFYING SURFACE THEREOF
- Publication number 20240060024
- Publication date Feb 22, 2024
- Shinshu University
- Naoto SAITO
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
CELL CULTURE MEMBER AND METHOD FOR MODIFYING SURFACE THEREOF
- Publication number 20240052299
- Publication date Feb 15, 2024
- Shinshu University
- Naoto SAITO
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
NONAQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERY, AND SECONDAR...
- Publication number 20210202991
- Publication date Jul 1, 2021
- STELLA CHEMIFA CORPORATION
- Toshitaka SAKAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL CATALYST, MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, AND...
- Publication number 20210036334
- Publication date Feb 4, 2021
- STELLA CHEMIFA CORPORATION
- Sojiro KON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-AQUEOUS ELECTROLYTIC SOLUTION FOR POWER STORAGE ELEMENT
- Publication number 20200399296
- Publication date Dec 24, 2020
- STELLA CHEMIFA CORPORATION
- Toshitaka SAKAGUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
NONAQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES AND SECONDA...
- Publication number 20180301756
- Publication date Oct 18, 2018
- STELLA CHEMIFA CORPORATION
- Toshitaka SAKAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOSPHORIC ACID DIESTER SALT, PRODUCTION METHOD THEREFOR, NON-AQUEO...
- Publication number 20180237461
- Publication date Aug 23, 2018
- STELLA CHEMIFA CORPORATION
- Toshitaka SAKAGUCHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR TREATING INNER WALL SURFACE OF MICRO-VACANCY
- Publication number 20160064213
- Publication date Mar 3, 2016
- Takeshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTILAYER BODY AND CONTAINER
- Publication number 20150017334
- Publication date Jan 15, 2015
- TOYO ALUMINIUM KABUSHIKI KAISHA
- Tomonobu Sekiguchi
- B32 - LAYERED PRODUCTS
Information Patent Application
QUATERNARY AMMONIUM SALT AND COMPOSITION, AND ELECTROCHEMICAL DEVICE
- Publication number 20130004860
- Publication date Jan 3, 2013
- Tetsuo NISHIDA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MULTILAYER BODY AND CONTAINER
- Publication number 20120118886
- Publication date May 17, 2012
- TOYO ALUMINIUM KABUSHIKI KAISHA
- Tomonobu Sekiguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CLEANING LIQUID AND CLEANING METHOD
- Publication number 20120065116
- Publication date Mar 15, 2012
- STELLA CHEMIFA CORPORATION
- Masayuki Miyashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Quaternary ammonium salt and composition, and electrochemical device
- Publication number 20110123873
- Publication date May 26, 2011
- Tetsuo Nishida
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PRESS THROUGH PACKAGE AND ITS PRODUCTION METHOD
- Publication number 20100243508
- Publication date Sep 30, 2010
- TOYO ALUMINIUM KABUSHIKI KAISHA
- Tomonobu Sekiguchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Processing Liquid and Processing Method for Semiconductor Device, a...
- Publication number 20070227567
- Publication date Oct 4, 2007
- Tohoku University
- Tadahiro Ohmi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Quaternary ammonium salt, electrolyte, and electrochemical device
- Publication number 20070042271
- Publication date Feb 22, 2007
- Tetsuo Nishida
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Image receiving sheet
- Publication number 20050064156
- Publication date Mar 24, 2005
- Minolta Co., Ltd.
- Akira Izutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Non-fixing type image receiving sheet, image forming method and ima...
- Publication number 20040091684
- Publication date May 13, 2004
- Minolta Co., Ltd.
- Masahiko Matsuura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image receiving sheet
- Publication number 20030003273
- Publication date Jan 2, 2003
- MINOLTA CO., LTD.
- Akira Izutani
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Non-fixing type image receiving sheet, image forming method and ima...
- Publication number 20020098012
- Publication date Jul 25, 2002
- Masahiko Matsuura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Image forming apparatus and method thereof
- Publication number 20020061197
- Publication date May 23, 2002
- Masahiko Matsuura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masashi Yamamoto

Person

Patents Grantslast 30 patents

Nonaqueous electrolyte solution for secondary battery, and secondar...

Fuel cell catalyst, membrane electrode assembly for fuel cell, and...

Non-aqueous electrolytic solution for power storage element

Phosphoric acid diester salt, production method therefor, non-aqueo...

Multilayer body and container

Quaternary ammonium salt and composition, and electrochemical device

Quaternary ammonium salt and composition, and electrochemical device

Quaternary ammonium salt, electrolyte, and electrochemical device

Non-fixing type image receiving sheet, image forming method and ima...

Image forming apparatus and method thereof

Image forming apparatus having rotatable charging brush with varyin...

Image forming apparatus

Image forming apparatus having contact charger

Image forming apparatus having a contact type charging device

Image forming apparatus having contact charger

Contact type charging device and image forming apparatus having the...

Cleaning method for contact charging means in image forming apparatus

Contact charger and image forming apparatus provided with same

Charging device for charging outer surface of photosensitive member...

Contact charger having a curved surface

Package

Monocomponent developing device

Monocomponent developing device

Low-temperature show case

Monocomponent developing device

Developing member composed of conductive particles in a dielectric...

Electrostatic latent image developing device for monocomponent tone...

Developer for electrostatic latent image containing fine particle c...

Insulating box and a method for its manufacture

Monocomponent developing device

Patents Applicationslast 30 patents

CELL CULTURE MEMBER AND METHOD FOR MODIFYING SURFACE THEREOF

CELL CULTURE MEMBER AND METHOD FOR MODIFYING SURFACE THEREOF

NONAQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERY, AND SECONDAR...

FUEL CELL CATALYST, MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, AND...

NON-AQUEOUS ELECTROLYTIC SOLUTION FOR POWER STORAGE ELEMENT

NONAQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES AND SECONDA...

PHOSPHORIC ACID DIESTER SALT, PRODUCTION METHOD THEREFOR, NON-AQUEO...

METHOD FOR TREATING INNER WALL SURFACE OF MICRO-VACANCY

MULTILAYER BODY AND CONTAINER

QUATERNARY AMMONIUM SALT AND COMPOSITION, AND ELECTROCHEMICAL DEVICE

MULTILAYER BODY AND CONTAINER

CLEANING LIQUID AND CLEANING METHOD

Quaternary ammonium salt and composition, and electrochemical device

PRESS THROUGH PACKAGE AND ITS PRODUCTION METHOD

Processing Liquid and Processing Method for Semiconductor Device, a...

Quaternary ammonium salt, electrolyte, and electrochemical device

Image receiving sheet

Non-fixing type image receiving sheet, image forming method and ima...

Image receiving sheet

Non-fixing type image receiving sheet, image forming method and ima...

Image forming apparatus and method thereof