Kenji Unetsubo

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Tatsuno, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dopant film and methods of diffusing impurity into and manufacturin...
- Patent number 5,094,976
- Issue date Mar 10, 1992
- Kabushiki Kaisha Toshiba
- Masaburo Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dopant film and methods of diffusing impurity into and manufacturin...
- Patent number 5,073,517
- Issue date Dec 17, 1991
- Kabushiki Kaisha Toshiba
- Masaburo Iwabuchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Resin insulated type semiconductor device
- Patent number 5,038,200
- Issue date Aug 6, 1991
- Kabushiki Kaisha Toshiba
- Sadaki Hosomi
- H01 - BASIC ELECTRIC ELEMENTS