Inventor · disambiguated record
Yoshio Nishikawa
Also filed as: NISHIKAWA YOSHIO
4 granted patents·2 pending applications·142 citations·filing 1976–2007
80Inventor score
Top patents by PatentIndex Score
6 records- 0183US5992560AMuffler for internal combustion engineIBIDEN CO LTD·Filed 1996·Granted Nov 30, 1999·60 cites·6 claims
- 0277US5862590AMethod of manufacturing catalytic converter for the purification of exhaust gasIBIDEN CO LTD·Filed 1997·Granted Jan 26, 1999·47 cites·3 claims
- 0364US6488560B2Walking apparatusBANDAI CO·Filed 1999·Granted Dec 3, 2002·24 cites·28 claims
- 0454US4049011ACoin stacking deviceGLORY KOGYO KK·Filed 1976·Granted Sep 20, 1977·11 cites·2 claims
- 0553US2008312071A1Holding and sealing material for catalytic converter and method of manufacturing the holding seal materialIBIDEN CO LTD·Filed 2007·Application pending·0 cites
- 0641US2004052694A1Holding seal material for catalytic converter and method of manufacturing the holding and seal materialFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →