Yutaka Usubuchi

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic elastomer and photosensitive resin composition based...
- Patent number 5,053,316
- Issue date Oct 1, 1991
- Asahi Kasei Kogyo Kabushiki Kaisha
- Yoshio Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-shielding screen and a process for producing the same
- Patent number 4,820,021
- Issue date Apr 11, 1989
- Asahi Kasei Kogyo Kabushiki Kaisha
- Yutaka Usubuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS