Naohiro KAWASHIMA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developer container, developing device, process cartridge, and imag...
- Patent number 11,726,418
- Issue date Aug 15, 2023
- Ricoh Company, Ltd.
- Naohiro Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus containing regulated...
- Patent number 11,454,897
- Issue date Sep 27, 2022
- Ricoh Company, Ltd.
- Kei Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process cartridge, and imag...
- Patent number 11,366,410
- Issue date Jun 21, 2022
- Ricoh Company, Ltd.
- Naohiro Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a process cartridge that includes...
- Patent number 11,275,325
- Issue date Mar 15, 2022
- Ricoh Company, Ltd.
- Hotaru Hashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 11,256,194
- Issue date Feb 22, 2022
- Ricoh Company, Ltd.
- Yuuki Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, and image forming apparatus
- Patent number 11,112,731
- Issue date Sep 7, 2021
- Ricoh Company, Ltd.
- Naohiro Kawashima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Image forming apparatus including control circuitry to execute a wa...
- Patent number 11,086,251
- Issue date Aug 10, 2021
- Ricoh Company, Ltd.
- Ryusuke Mase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 10,705,484
- Issue date Jul 7, 2020
- Ricoh Company, Ltd.
- Yuki Oshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder supply device and image forming apparatus incorporating same
- Patent number 10,317,814
- Issue date Jun 11, 2019
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus incorporating same th...
- Patent number 10,007,209
- Issue date Jun 26, 2018
- Ricoh Company, Ltd.
- Shinnosuke Koshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus incorporating same
- Patent number 9,897,938
- Issue date Feb 20, 2018
- Ricoh Company, Ltd.
- Shinnosuke Koshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder amount detector, powder supply device, and image forming app...
- Patent number 9,817,335
- Issue date Nov 14, 2017
- Ricoh Company, Ltd.
- Naohiro Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
POWDER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240126189
- Publication date Apr 18, 2024
- Naohiro KAWASHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...
- Publication number 20220276586
- Publication date Sep 1, 2022
- RICOH COMPANY, LTD.
- Naohiro KAWASHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...
- Publication number 20210364950
- Publication date Nov 25, 2021
- RICOH COMPANY, LTD.
- Naohiro KAWASHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20210364942
- Publication date Nov 25, 2021
- RICOH COMPANY, LTD.
- Kei SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210080856
- Publication date Mar 18, 2021
- Hotaru HASHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20210041806
- Publication date Feb 11, 2021
- Yuuki TSUCHIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200174400
- Publication date Jun 4, 2020
- Naohiro KAWASHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20200117119
- Publication date Apr 16, 2020
- Ricoh Company, Ltd.
- Ryusuke MASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20200103824
- Publication date Apr 2, 2020
- Ricoh Company, Ltd.
- Yuki OSHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170351195
- Publication date Dec 7, 2017
- RICOH COMPANY, LTD.
- Shinnosuke Koshizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170168418
- Publication date Jun 15, 2017
- Nobuo TAKAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170168421
- Publication date Jun 15, 2017
- Shinnosuke KOSHIZUKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APP...
- Publication number 20170115597
- Publication date Apr 27, 2017
- NAOHIRO KAWASHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160195846
- Publication date Jul 7, 2016
- Shinnosuke KOSHIZUKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Naohiro KAWASHIMA

Person

Patents Grantslast 30 patents

Developer container, developing device, process cartridge, and imag...

Developing device and image forming apparatus containing regulated...

Developer container, developing device, process cartridge, and imag...

Image forming apparatus including a process cartridge that includes...

Developing device, process cartridge, and image forming apparatus

Developer container, developing device, and image forming apparatus

Image forming apparatus including control circuitry to execute a wa...

Developing device, process cartridge, and image forming apparatus

Powder supply device and image forming apparatus incorporating same

Developing device and image forming apparatus incorporating same th...

Developing device and image forming apparatus incorporating same

Powder amount detector, powder supply device, and image forming app...

Patents Applicationslast 30 patents

POWDER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPER CONTAINER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APP...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME