Kazumi Takeishi

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric-powered stone cutter
- Patent number 5,653,218
- Issue date Aug 5, 1997
- Hitachi Koki Co., Ltd.
- Siyouiti Sakamoto
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Saber saw assembly with improved vising mechanism
- Patent number 5,632,089
- Issue date May 27, 1997
- Hitachi Koki Company Ltd.
- Siyouiti Sakamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sandpaper clamp mechanism for orbital finishing sander
- Patent number 4,922,663
- Issue date May 8, 1990
- Hitachi Koki Company, Ltd.
- Atsushi Nakagawa
- B24 - GRINDING POLISHING