Koji Hashimoto

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Wappingers Falls, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for determining phase variance and shifter stability of phas...
- Patent number 5,807,647
- Issue date Sep 15, 1998
- Kabushiki Kaisha Toshiba
- Koji Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phase shifting mask and method of forming a pattern using the same
- Patent number 5,686,209
- Issue date Nov 11, 1997
- Kabushiki Kaisha Toshiba
- Takayuki Iwamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reflection phase shifting mask and method of forming a pattern usin...
- Patent number 5,609,977
- Issue date Mar 11, 1997
- Kabushiki Kaisha Toshiba
- Takayuki Iwamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phase shifting mask comprising a multilayer structure and method of...
- Patent number 5,514,499
- Issue date May 7, 1996
- Kabushiki Kaisha Toshiba
- Takayuki Iwamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY