Inventor · disambiguated record
Seiichi Yanagioka
Also filed as: YANAGIOKA SEIICHI
3 granted patents·116 citations·filing 1976–1977
76Inventor score
Technology areasA63B
Top patents by PatentIndex Score
3 records- 0182US4188032ANickel-plated golf club shaft made of fiber-reinforced plasticsYANAGIOKA SEIICHI·Filed 1977·Granted Feb 12, 1980·61 cites·1 claims
- 0275US4113248ABaseball bat made of light alloyAIKOH CO·Filed 1976·Granted Sep 12, 1978·39 cites·3 claims
- 0347US4092025ABaseball bat made of fiber-reinforced plasticsAIKOH CO·Filed 1976·Granted May 30, 1978·16 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →