Hozumi Usui

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for washing photomask and washing solution...
- Patent number 7,077,915
- Issue date Jul 18, 2006
- Renesas Technology Corp.
- Yoshikazu Nagamura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method and apparatus for cleaning photomask
- Patent number 6,277,205
- Issue date Aug 21, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Yoshikazu Nagamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for cleaning photomask
- Patent number 6,071,376
- Issue date Jun 6, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Yoshikazu Nagamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Method of and apparatus for washing photomask and washing solution...
- Publication number 20040079386
- Publication date Apr 29, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yoshikazu Nagamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY