Masaaki Aiba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photoconductive imaging apparatus
- Patent number 5,233,265
- Issue date Aug 3, 1993
- Hitachi, Ltd.
- Yukio Takasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoconductive device and method of operating the same
- Patent number 4,952,839
- Issue date Aug 28, 1990
- Hitachi, Ltd.
- Kenkichi Tanioka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoconductive device and method of operating the same
- Patent number 4,888,521
- Issue date Dec 19, 1989
- Hitachi Ltd.
- Kenkichi Tanioka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-detecting device
- Patent number 4,884,011
- Issue date Nov 28, 1989
- Hitachi, Ltd. & Nippon Hoso Kasai
- Tatsuo Makishima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Target of image pickup tube
- Patent number 4,866,332
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Yukio Takasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for driving a plurality of pick-up tubes havin...
- Patent number 4,860,093
- Issue date Aug 22, 1989
- Hitachi, Ltd.
- Takashi Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE