Hitoshi Toma

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photovoltaic device with improved collector electrode
- Patent number 6,214,636
- Issue date Apr 10, 2001
- Canon Kabushiki Kaisha
- Ippei Sawayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photovoltaic device with improved collector electrode
- Patent number 5,428,249
- Issue date Jun 27, 1995
- Canon Kabushiki Kaisha
- Ippei Sawayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor apparatus covered with a sealing resin composition
- Patent number 5,397,401
- Issue date Mar 14, 1995
- Canon Kabushiki Kaisha
- Hitoshi Toma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image reading device with protective layers
- Patent number 5,017,988
- Issue date May 21, 1991
- Canon Kabushiki Kaisha
- Katsumi Komiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading device with moisture resistant layer
- Patent number 4,924,282
- Issue date May 8, 1990
- Canon Kabushiki Kaisha
- Katsumi Komiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE