Ryotaro Irie

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photosensitive composition
- Patent number 4,792,516
- Issue date Dec 20, 1988
- Hitachi Chemical Company
- Minoru Toriumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive composition with azide or bisazide compound with oxa...
- Patent number 4,728,594
- Issue date Mar 1, 1988
- Hitachi Chemical Co., Ltd.
- Saburo Nonogaki
- C07 - ORGANIC CHEMISTRY