Inventor · disambiguated record
Senri Okada
Also filed as: OKADA SENRI
5 granted patents·49 citations·filing 1974–1997
79Inventor score
Top patents by PatentIndex Score
5 records- 0172US6126713AAdditive for use in producing spheroidal graphite cast ironHITACHI METALS LTD·Filed 1997·Granted Oct 3, 2000·24 cites·8 claims
- 0250US4084782ASplit mould for making tapered concrete polesNIPPON CONCRETE IND CO LTD·Filed 1976·Granted Apr 18, 1978·10 cites·4 claims
- 0347US3977868ANitrogen containing additive for strengthening cast ironHITACHI LTD·Filed 1975·Granted Aug 31, 1976·4 cites·3 claims
- 0439US4996402AMethod and apparatus for continuously melting material by induction heatingHITACHI LTD·Filed 1989·Granted Feb 26, 1991·6 cites·25 claims
- 0530US3989221AForm structure for use in the making of columnar or the like concrete productsNIPPON CONCRETE IND CO LTD·Filed 1974·Granted Nov 2, 1976·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →