Takamasa Hori

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photosensor employing optical guide posts to detect an object in th...
- Patent number 4,672,197
- Issue date Jun 9, 1987
- Hitachi, Ltd.
- Masahiko Ibamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Controller for AC elevator
- Patent number 4,661,757
- Issue date Apr 28, 1987
- Hitachi, Ltd.
- Sadao Hokari
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Time division multiplex data transmission system
- Patent number 4,651,317
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Korefumi Tashiro
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Harmonic eliminating apparatus
- Patent number 4,206,395
- Issue date Jun 3, 1980
- Hitachi, Ltd.
- Toshiaki Okuyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER