Akio Masui

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Synthetic silica glass optical component and process for its produc...
- Patent number 8,402,786
- Issue date Mar 26, 2013
- Asahi Glass Company, Limited
- Yoshiaki Ikuta
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Synthetic quartz glass and process for producing it
- Patent number 7,022,633
- Issue date Apr 4, 2006
- Asahi Glass Company, Limited
- Yoshiaki Ikuta
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Exposure apparatus, semiconductor device, and photomask
- Patent number 6,611,317
- Issue date Aug 26, 2003
- Asahi Glass Company, Limited
- Tohru Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Synthetic quartz glass and method for preparing the same
- Patent number 6,576,578
- Issue date Jun 10, 2003
- Asahi Glass Company, Limited
- Yoshiaki Ikuta
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Synthetic quartz glass for optical member, process for producing th...
- Patent number 6,544,914
- Issue date Apr 8, 2003
- Asahi Glass Company, Limited
- Shinya Kikugawa
- B08 - CLEANING
Information Patent Grant
Synthetic quartz glass and method for production thereof
- Patent number 6,499,317
- Issue date Dec 31, 2002
- Asahi Glass Company, Limited
- Yoshiaki Ikuta
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Synthetic quartz glass and process for producing it
- Publication number 20030195107
- Publication date Oct 16, 2003
- ASAHI GLASS COMPANY LIMITED
- Yoshiaki Ikuta
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Synthetic silica glass optical component and process for its produc...
- Publication number 20030051507
- Publication date Mar 20, 2003
- ASAHI GLASS COMPANY, LIMITED
- Yoshiaki Ikuta
- C03 - GLASS MINERAL OR SLAG WOOL