Koichi Haruta

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Waveguide fiber optical coupler
- Patent number 5,633,967
- Issue date May 27, 1997
- Mitsui Petrochemical Industries, Ltd.
- Koichi Haruta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for welding material by laser beam
- Patent number 5,624,585
- Issue date Apr 29, 1997
- Mitsui Petrochemical Industries, Ltd.
- Koichi Haruta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pulse laser irradiation apparatus for coated metal material
- Patent number 5,347,528
- Issue date Sep 13, 1994
- Mitsui Petrochemical Industries, Ltd.
- Koichi Haruta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Thin film of amorphous alloy
- Patent number 5,254,182
- Issue date Oct 19, 1993
- Mitsui Petrochemical Industries, Ltd.
- Kunihiko Mizumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical output controlling method and apparatus
- Patent number 5,033,828
- Issue date Jul 23, 1991
- Mitsui Petrochemical Industries, Ltd.
- Koichi Haruta
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film of amorphous alloy
- Patent number 4,995,923
- Issue date Feb 26, 1991
- Mitsui Petrochemical Industries, Ltd.
- Kunihiko Mizumoto
- G11 - INFORMATION STORAGE