Koji Ando

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Patents Grantslast 30 patents

Information Patent Grant
Method of making P-type compound semiconductor employing trimethylg...
- Patent number 5,173,445
- Issue date Dec 22, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Koji Ando
- C30 - CRYSTAL GROWTH
Information Patent Grant
Elevator control system
- Patent number 4,213,517
- Issue date Jul 22, 1980
- Fujitec Co., Ltd.
- Koji Ando
- B66 - HOISTING LIFTING HAULING