Kiyoshi Nagasawa

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Ibaragi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Displacement controller for fine positioning device
- Patent number 5,005,298
- Issue date Apr 9, 1991
- Hitachi Construction Machinery Co., Ltd.
- Kiyoshi Nagasawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fine positioning device and displacement controller therefor
- Patent number 4,991,309
- Issue date Feb 12, 1991
- Hitachi Construction Machinery Co., Ltd.
- Kiyoshi Nagasawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fine positioning device and displacement controller therefor
- Patent number 4,920,660
- Issue date May 1, 1990
- Hitachi Construction Machinery Co., Ltd.
- Kiyoshi Nagasawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fine positioning device
- Patent number 4,888,878
- Issue date Dec 26, 1989
- Hitachi Construction Machinery Co., Ltd.
- Kiyoshi Nagasawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device for compensating for deflection in a pliable positioning app...
- Patent number 4,710,884
- Issue date Dec 1, 1987
- Hitachi Construction Machinery Co., Ltd.
- Hiroaki Tokairin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS