Tatsuya OHHIRA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device including a conveyor with a space between blades...
- Patent number 11,163,246
- Issue date Nov 2, 2021
- Ricoh Company, Ltd.
- Tatsuya Ohhira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container, toner supply device, and image forming apparatus i...
- Patent number 11,048,189
- Issue date Jun 29, 2021
- Ricoh Company, Ltd.
- Takahiro Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer conveyor having three blades
- Patent number 10,895,827
- Issue date Jan 19, 2021
- Ricoh Company, Ltd.
- Tatsuya Ohhira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Vertical biaxial developing device and image forming apparatus and...
- Patent number 10,209,645
- Issue date Feb 19, 2019
- Ricoh Company, Ltd.
- Yuuki Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus and process cartridge...
- Patent number 10,168,642
- Issue date Jan 1, 2019
- Ricoh Company, Ltd.
- Tatsuya Ohhira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device with casing having upper and lower compartments
- Patent number 10,114,334
- Issue date Oct 30, 2018
- Ricoh Company, Ltd.
- Tatsuya Ohhira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus and process cartridge...
- Patent number 9,864,297
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Tatsuya Ohhira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20210088938
- Publication date Mar 25, 2021
- Ricoh Company, Ltd.
- Tatsuya OHHIRA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER, TONER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20200292963
- Publication date Sep 17, 2020
- Ricoh Company, Ltd.
- Takahiro ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONVEYOR, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE...
- Publication number 20200264538
- Publication date Aug 20, 2020
- Tatsuya OHHIRA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20180143568
- Publication date May 24, 2018
- RICOH COMPANY, LTD.
- Tatsuya OHHIRA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20180136586
- Publication date May 17, 2018
- RICOH COMPANY, LTD.
- Yuuki TSUCHIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20170293257
- Publication date Oct 12, 2017
- Tatsuya OHHIRA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20170090342
- Publication date Mar 30, 2017
- Tatsuya OHHIRA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tatsuya OHHIRA

Person

Patents Grantslast 30 patents

Developing device including a conveyor with a space between blades...

Toner container, toner supply device, and image forming apparatus i...

Developer conveyor having three blades

Vertical biaxial developing device and image forming apparatus and...

Developing device and image forming apparatus and process cartridge...

Developing device with casing having upper and lower compartments

Developing device and image forming apparatus and process cartridge...

Patents Applicationslast 30 patents

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

TONER CONTAINER, TONER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS

DEVELOPER CONVEYOR, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...