Shigeru ASANUMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing of glass
- Patent number 8,356,492
- Issue date Jan 22, 2013
- Hoya Corporation
- Kazuhiro Suzuki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for processing a melted glass stream into a melted glass...
- Patent number 4,961,773
- Issue date Oct 9, 1990
- Hoya Corporation
- Hiroaki Takahara
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING OF GLASS
- Publication number 20110041557
- Publication date Feb 24, 2011
- HOYA CORPORATION
- Kazuhiro SUZUKI
- C03 - GLASS MINERAL OR SLAG WOOL