Tsutomu IWATA

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Kanagawa, JP

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Patents Grantslast 30 patents

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

Patents Applicationslast 30 patents

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