Jun Sakai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polymerized toner
- Patent number 6,136,490
- Issue date Oct 24, 2000
- Nippon Zeon Co., Ltd.
- Tokudai Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing polymerized toner
- Patent number 6,033,822
- Issue date Mar 7, 2000
- Nippon Zeon Co., Ltd.
- Jun Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polymerized toner and production process thereof
- Patent number 5,958,640
- Issue date Sep 28, 1999
- Nippon Zeon Company, Ltd
- Jun Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Production process of toner for development of electrostatic latent...
- Patent number 5,952,144
- Issue date Sep 14, 1999
- Nippon Zeon Co., Ltd.
- Jun Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY