Inventor · disambiguated record
Youichi Ninomiya
Also filed as: NINOMIYA YOUICHI
3 granted patents·130 citations·filing 1979–1982
76Inventor score
Top patents by PatentIndex Score
3 records- 0186US4286622ACheck valve assemblyNINOMIYA YOUICHI·Filed 1980·Granted Sep 1, 1981·62 cites·6 claims
- 0279US4266754AButterfly valve assemblyASAHI ORGANIC CHEM IND·Filed 1979·Granted May 12, 1981·36 cites·5 claims
- 0374US4411407ABall valve assemblyASAHI ORGANIC CHEM IND·Filed 1982·Granted Oct 25, 1983·32 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →