Tatsuro Umeyama

Follow

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing glass substrate of information recording m...
- Patent number 7,140,203
- Issue date Nov 28, 2006
- Hoya Corporation
- Yasuhiro Saito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing glass substrate of information recording m...
- Patent number 6,782,717
- Issue date Aug 31, 2004
- Hoya Corporation
- Yasuhiro Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for information recording media and manufacturing m...
- Patent number 6,715,318
- Issue date Apr 6, 2004
- Nippon Sheet Glass Co., Ltd.
- Kazuishi Mitani
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for information recording media
- Patent number 6,475,599
- Issue date Nov 5, 2002
- Nippon Sheet Glass Co., Ltd.
- Yasuhiro Saito
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing glass substrate of information recording m...
- Publication number 20030170417
- Publication date Sep 11, 2003
- Yasuhiro Saito
- G11 - INFORMATION STORAGE
Information Patent Application
Method for manufacturing glass substrate of information recording m...
- Publication number 20030164005
- Publication date Sep 4, 2003
- Yasuhiro Saito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method for manufacturing information recording medium glass substrate
- Publication number 20030079500
- Publication date May 1, 2003
- Tatsuro Umeyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Glass substrate for information recording media and manufacturing m...
- Publication number 20020064620
- Publication date May 30, 2002
- NIPPON SHEET GLASS CO., LTD.
- Kazuishi Mitani
- C03 - GLASS MINERAL OR SLAG WOOL