Nobuo Tsumaki

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of supplying lubricant and apparatus for the same
- Patent number 5,080,195
- Issue date Jan 14, 1992
- Hitachi, Ltd.
- Muneo Mizumoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Guiding apparatus
- Patent number 4,630,942
- Issue date Dec 23, 1986
- Hitachi, Ltd.
- Nobuo Tsumaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Vibration-controlling bearing
- Patent number 4,602,873
- Issue date Jul 29, 1986
- Hitachi, Ltd.
- Hideki Izumi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cryogenic liquefied pump system
- Patent number 4,593,835
- Issue date Jun 10, 1986
- Hitachi, Ltd.
- Seiichi Kikkawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbomolecular pump
- Patent number 4,579,508
- Issue date Apr 1, 1986
- Hitachi, Ltd.
- Nobuo Tsumaki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...