Takashi Nishimura

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for producing an object having an aspherical surface and...
- Patent number 5,748,482
- Issue date May 5, 1998
- Hitachi, Ltd.
- Takashi Nishimura
- G05 - CONTROLLING REGULATING
Information Patent Grant
Scanning optical device and method for making a hybrid scanning len...
- Patent number 5,411,430
- Issue date May 2, 1995
- Hitachi Ltd.
- Takashi Nishimura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Magnetic recording medium and process for producing the same
- Patent number 5,073,460
- Issue date Dec 17, 1991
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and process for producing the same
- Patent number 4,957,825
- Issue date Sep 18, 1990
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,840,844
- Issue date Jun 20, 1989
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE