Katsuhiro Yoshioka

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Watarai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electroconductive magnetic carrier, developer using the same and im...
- Patent number 5,346,791
- Issue date Sep 13, 1994
- Kyocera Corporation
- Yoshio Ozawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electroconductive magnetic carrier, developer using the same and im...
- Patent number 5,318,873
- Issue date Jun 7, 1994
- Kyocera Corporation
- Takao Kawamura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electroconductive magnetic carrier, developer using the same and im...
- Patent number 5,256,513
- Issue date Oct 26, 1993
- Kyocera Corporation
- Takao Kawamura
- B82 - NANO-TECHNOLOGY