Hiromi Masamura

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Urawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive film and method for production thereof
- Patent number 5,236,762
- Issue date Aug 17, 1993
- Somar Corporation
- Yasuyuki Suzuki
- B24 - GRINDING POLISHING
Information Patent Grant
Chemical mat film and a photosensitive film comprising an o-naphtho...
- Patent number 5,223,372
- Issue date Jun 29, 1993
- Somar Corporation
- Shinichi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY