Hirotomo Numakura

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Curved surface rubbing apparatus
- Patent number 5,116,391
- Issue date May 26, 1992
- Maruma Jyusharyo Kabushiki Kaisha
- Yasumitsu Moriki
- B24 - GRINDING POLISHING
Information Patent Grant
High torque hydraulic shoe bolt wrench
- Patent number 5,005,654
- Issue date Apr 9, 1991
- Maruma Jyusharyo Kabushiki Kaisha
- Yasumitsu Moriki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Assembly apparatus for truck links
- Patent number 4,881,365
- Issue date Nov 21, 1989
- Maruma Jyusharyo Kabushiki Kaisha
- Yasumitsu Moriki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Slag removing apparatus for pad-welding machine
- Patent number 4,805,826
- Issue date Feb 21, 1989
- Maruma Jysuharyo Kabushiki Kaisha
- Yasumitsu Moriki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for displacing a line of track chain
- Patent number 4,718,228
- Issue date Jan 12, 1988
- Maruma Jyusharyo Kabushiki Kaisha
- Yasumitsu Moriki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Jig for assembling a track chain
- Patent number 4,531,355
- Issue date Jul 30, 1985
- Maruma Jyusharyo Kabushikigaisha
- Hirotomo Numakura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS