Hajime Hata

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Marugame, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyarylene sulfide resin composition and optical pick-up parts for...
- Patent number 5,599,864
- Issue date Feb 4, 1997
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Shogo Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparation of aluminum borate whisker
- Patent number 5,064,631
- Issue date Nov 12, 1991
- Shikoku Chemicals Corporation
- Hajime Hata
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for preparation of aluminum borate whisker
- Patent number 5,061,468
- Issue date Oct 29, 1991
- Shikoku Chemicals Corporation
- Hajime Hata
- C30 - CRYSTAL GROWTH
Information Patent Grant
Metal-based composite material and process for preparation thereof
- Patent number 5,013,523
- Issue date May 7, 1991
- Agency of Industrial Science and Technology
- Hajime Hata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for preparation of aluminum borate whisker
- Patent number 4,985,222
- Issue date Jan 15, 1991
- Shikoku Chemicals Corporation
- Hajime Hata
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for preparing aluminum borate whiskers
- Patent number 4,925,641
- Issue date May 15, 1990
- Agency of Industrial Science and Technology
- Takao Kitamura
- C30 - CRYSTAL GROWTH