Naoki AKIRA

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Conductive roll for electrophotographic machine
- Patent number 11,753,519
- Issue date Sep 12, 2023
- Sumitomo Riko Company Limited
- Shinkichi Kashihara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Charging roll or developing roll for electrophotographic device
- Patent number 11,215,937
- Issue date Jan 4, 2022
- Sumitomo Riko Company Limited
- Kenta Nakazato
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
CHARGING ROLL OR DEVELOPING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE
- Publication number 20210232058
- Publication date Jul 29, 2021
- SUMITOMO RIKO COMPANY LIMITED
- Kenta NAKAZATO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CONDUCTIVE ROLL FOR ELECTROPHOTOGRAPHIC MACHINE
- Publication number 20210054167
- Publication date Feb 25, 2021
- SUMITOMO RIKO COMPANY LIMITED
- Shinkichi KASHIHARA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...