Individual holder
SONOMURA ROY N
3 granted patents·28 citations·filing 1976–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0151US5304015APile grabber apparatusSONOMURA ROY N·Filed 1993·Granted Apr 19, 1994·21 cites·14 claims
- 0231US4102412AApparatus and method for placing explosives in submerged rockSONOMURA ROY N·Filed 1976·Granted Jul 25, 1978·7 cites·6 claims
- 0322US4159668AMethod for placing explosives in submerged rockSONOMURA ROY N·Filed 1977·Granted Jul 3, 1979·0 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →