Inventor · disambiguated record
Shigeo Otsuka
Also filed as: OTSUKA SHIGEO
3 granted patents·1 pending application·39 citations·filing 1988–2007
71Inventor score
Top patents by PatentIndex Score
4 records- 0193US8257514B2Ferrous seal sliding parts and producing method thereofTAKAYAMA TAKEMORI·Filed 2005·Granted Sep 4, 2012·16 cites·16 claims
- 0260US4867186AChloro-fluoro-carbon liquid jetting immersion cleaning apparatusOTSUKA SHIGEO·Filed 1988·Granted Sep 19, 1989·16 cites·2 claims
- 0357US2007289714A1Ferrous seal sliding parts and producing method thereofTAKAYAMA TAKEMORI·Filed 2007·Application pending·0 cites
- 0441US5345958ADouble fluid layer-type ultrasonic cleaning apparatusOTSUKA SHIGEO·Filed 1993·Granted Sep 13, 1994·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →