Yuichi Nakayasu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatic information recording medium
- Patent number 5,750,238
- Issue date May 12, 1998
- Dai Nippon Printing Co., Ltd.
- Masayuki Iijima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic information recording medium
- Patent number 5,721,042
- Issue date Feb 24, 1998
- Dai Nippon Printing Co., Ltd.
- Masayuki Iijima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polymer dispersed liquid crystal information recording medium with...
- Patent number 5,583,670
- Issue date Dec 10, 1996
- Dia Nippon Printing Co., Ltd.
- Masayuki Iijima
- G02 - OPTICS
Information Patent Grant
Electrostatic information recording medium
- Patent number 5,527,589
- Issue date Jun 18, 1996
- Dai Nippon Printing Co., Ltd.
- Masayuki Iijima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY