Masaaki YOSHIKAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Storage cabinet
- Patent number 12,017,851
- Issue date Jun 25, 2024
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masaaki Yoshikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fixing device capable of enhancing durability of endless belt and i...
- Patent number 10,935,911
- Issue date Mar 2, 2021
- Ricoh Company, Ltd.
- Teppei Kawata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,001,735
- Issue date Jun 19, 2018
- Ricoh Company, Limited
- Takahiro Imada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,983,526
- Issue date May 29, 2018
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,971,289
- Issue date May 15, 2018
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,927,748
- Issue date Mar 27, 2018
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device capable of enhancing durability of endless belt and i...
- Patent number 9,811,031
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Teppei Kawata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including the fixing device
- Patent number 9,727,008
- Issue date Aug 8, 2017
- Ricoh Company, Ltd.
- Teppei Kawata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,727,011
- Issue date Aug 8, 2017
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,715,203
- Issue date Jul 25, 2017
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a fixing device that includes a r...
- Patent number 9,690,243
- Issue date Jun 27, 2017
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Superconducting magnetic field generating device, superconducting m...
- Patent number 9,564,262
- Issue date Feb 7, 2017
- Aisin Seiki Kabushiki Kaisha
- Yoshitaka Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,557,692
- Issue date Jan 31, 2017
- Ricoh Company, Limited
- Takahiro Imada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,535,380
- Issue date Jan 3, 2017
- Ricoh Company, Ltd.
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device with a temperature detector adjacent an easily deform...
- Patent number 9,507,306
- Issue date Nov 29, 2016
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,454,114
- Issue date Sep 27, 2016
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,448,514
- Issue date Sep 20, 2016
- Ricoh Company, Ltd.
- Yutaka Ikebuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
User authentication system
- Patent number 9,439,070
- Issue date Sep 6, 2016
- DeNA Co., Ltd.
- Toshiharu Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fixing device capable of minimizing damage of endless rotary body a...
- Patent number 9,405,250
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,405,270
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,405,242
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,367,010
- Issue date Jun 14, 2016
- RICOII COMPANY, LIMITED
- Hiromasa Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,316,972
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,310,733
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,291,967
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Naoki Iwaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,239,553
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,239,559
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,235,177
- Issue date Jan 12, 2016
- Ricoh Company, Ltd.
- Takuya Seshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a fixing device
- Patent number 9,207,596
- Issue date Dec 8, 2015
- Ricoh Company, Limited
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,164,443
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, ELECT...
- Publication number 20230379706
- Publication date Nov 23, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Tatsuya MORISHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STORAGE CABINET
- Publication number 20220324645
- Publication date Oct 13, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Masaaki Yoshikawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
- Publication number 20180046121
- Publication date Feb 15, 2018
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE
- Publication number 20170293245
- Publication date Oct 12, 2017
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20170277091
- Publication date Sep 28, 2017
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20170255150
- Publication date Sep 7, 2017
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170102652
- Publication date Apr 13, 2017
- RICOH COMPANY, LTD.
- Takahiro IMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20160327891
- Publication date Nov 10, 2016
- Yutaka IKEBUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20160098003
- Publication date Apr 7, 2016
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160054691
- Publication date Feb 25, 2016
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
STORAGE MEDIUM STORING PROGRAM FOR LOGIN ALERTS, AND METHOD AND SYS...
- Publication number 20160036853
- Publication date Feb 4, 2016
- DeNA Co., Ltd.
- Toshiharu SUGIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160004197
- Publication date Jan 7, 2016
- RICOH COMPANY, LIMITED
- Takahiro IMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
- Publication number 20150378290
- Publication date Dec 31, 2015
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SUPERCONDUCTING MAGNETIC FIELD GENERATING DEVICE, SUPERCONDUCTING M...
- Publication number 20150369885
- Publication date Dec 24, 2015
- AISIN SEIKI KABUSHIKI KAISHA
- Yoshitaka ITO
- G01 - MEASURING TESTING
Information Patent Application
USER AUTHENTICATION SYSTEM
- Publication number 20150310201
- Publication date Oct 29, 2015
- DeNA Co., Ltd.
- Toshiharu SUGIYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150268597
- Publication date Sep 24, 2015
- Yuji ARAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING DEVICE
- Publication number 20150234329
- Publication date Aug 20, 2015
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150227095
- Publication date Aug 13, 2015
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20150212459
- Publication date Jul 30, 2015
- RICOH COMPANY, LTD.
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150185671
- Publication date Jul 2, 2015
- Yutaka IKEBUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CAPABLE OF MINIMIZING DAMAGE OF ENDLESS ROTARY BODY A...
- Publication number 20150168897
- Publication date Jun 18, 2015
- Tadashi OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE WITH A TEMPERATURE DETECTOR ADJACENT AN EASILY DEFORM...
- Publication number 20150104230
- Publication date Apr 16, 2015
- Takeshi UCHITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150063884
- Publication date Mar 5, 2015
- Naoki IWAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
- Publication number 20150023705
- Publication date Jan 22, 2015
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140369703
- Publication date Dec 18, 2014
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140356037
- Publication date Dec 4, 2014
- Toshihiko SHIMOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140356036
- Publication date Dec 4, 2014
- Toshihiko Shimokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20140341625
- Publication date Nov 20, 2014
- Takahiro Imada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140341623
- Publication date Nov 20, 2014
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20140341626
- Publication date Nov 20, 2014
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masaaki YOSHIKAWA

Person

Patents Grantslast 30 patents

Storage cabinet

Fixing device capable of enhancing durability of endless belt and i...

Fixing device and image forming apparatus

Fixing device and image forming apparatus including same

Image forming apparatus

Fixing device and image forming apparatus

Fixing device capable of enhancing durability of endless belt and i...

Fixing device and image forming apparatus including the fixing device

Image forming apparatus and image forming method

Fixing device and image forming apparatus including same

Image forming apparatus including a fixing device that includes a r...

Superconducting magnetic field generating device, superconducting m...

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device with a temperature detector adjacent an easily deform...

Fixing device and image forming apparatus including same

Image forming apparatus and image forming method

User authentication system

Fixing device capable of minimizing damage of endless rotary body a...

Fixing device and image forming apparatus incorporating same

Fixing device and image forming device

Fixing device and image forming device

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus incorporating same

Image forming apparatus including a fixing device

Fixing device and image forming apparatus

Patents Applicationslast 30 patents

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, ELECT...

STORAGE CABINET

FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

IMAGE FORMING APPARATUS

STORAGE MEDIUM STORING PROGRAM FOR LOGIN ALERTS, AND METHOD AND SYS...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...

SUPERCONDUCTING MAGNETIC FIELD GENERATING DEVICE, SUPERCONDUCTING M...

USER AUTHENTICATION SYSTEM

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

FIXING DEVICE CAPABLE OF MINIMIZING DAMAGE OF ENDLESS ROTARY BODY A...

FIXING DEVICE WITH A TEMPERATURE DETECTOR ADJACENT AN EASILY DEFORM...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD