Hotaru HASHIKAWA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device including filter detachable holder, process cartr...
- Patent number 12,050,414
- Issue date Jul 30, 2024
- Ricoh Company, Ltd.
- Yusuke Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Filter holding device, developing device, process cartridge, image...
- Patent number 11,880,160
- Issue date Jan 23, 2024
- Ricoh Company, Ltd.
- Hotaru Hashikawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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

Patents Applicationslast 30 patents

Information Patent Application
FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IM...
- Publication number 20230330582
- Publication date Oct 19, 2023
- Yuta YABUTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20230168608
- Publication date Jun 1, 2023
- Yusuke CHIBA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IM...
- Publication number 20220395771
- Publication date Dec 15, 2022
- Shohtaroh HOSHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER, FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE...
- Publication number 20220121138
- Publication date Apr 21, 2022
- Ricoh Company, Ltd.
- Tatsumi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE...
- Publication number 20220107605
- Publication date Apr 7, 2022
- Hotaru HASHIKAWA
- 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

Hotaru HASHIKAWA

Person

Patents Grantslast 30 patents

Developing device including filter detachable holder, process cartr...

Filter holding device, developing device, process cartridge, image...

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

Developing device, process cartridge, and image forming apparatus

Patents Applicationslast 30 patents

FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IM...

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IM...

FILTER, FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE...

FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE...

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS