Assignee
HOSOI RYOSUKE
3 granted patents·163 citations·filing 1977–1980
Top patents by PatentIndex Score
3 records- 0192US4222690ADrill having cutting edges with the greatest curvature at the central portion thereofHOSOI RYOSUKE·Filed 1978·Granted Sep 16, 1980·79 cites·2 claims
- 0286US4132493ABall end millHOSOI RYOSUKE·Filed 1977·Granted Jan 2, 1979·49 cites·9 claims
- 0381US4381162ADrill having cutting edges with the greatest curvature at the central portion thereofHOSOI RYOSUKE·Filed 1980·Granted Apr 26, 1983·35 cites·5 claims
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