Osamu Matsumoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device having a memory cell portion and a logic portion
- Patent number 5,608,241
- Issue date Mar 4, 1997
- Kabushiki Kaisha Toshiba
- Sachiko Shibuya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for a floating gate semiconductor memory devic...
- Patent number 5,219,775
- Issue date Jun 15, 1993
- Kabushiki Kaisha Toshiba
- Yukihiro Saeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultrasonic wire bonder
- Patent number 4,958,762
- Issue date Sep 25, 1990
- Kabushiki Kaisha Toshiba
- Yasuhiko Shimizu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR