Inventor · disambiguated record
Masazumi Onishi
Also filed as: ONISHI MASAZUMI
10 granted patents·140 citations·filing 1993–2001
90Inventor score
Top patents by PatentIndex Score
10 records- 0185US6749959B2Fuel cell gas separator, manufacturing method thereof, and fuel cellTOYOTA MOTOR CO LTD·Filed 2001·Granted Jun 15, 2004·31 cites·20 claims
- 0277US6059899APress-formed article and method for strengthening the sameTOYOTA MOTOR CO LTD·Filed 1997·Granted May 9, 2000·21 cites·31 claims
- 0363US5522247AMethod and apparatus for manufacturing a corrugated tubeTOYOTA MOTOR CO LTD·Filed 1994·Granted Jun 4, 1996·16 cites·25 claims
- 0461US6651299B2Method and apparatus for manufacturing endless metallic belt, and the endless metallic belt manufactured by the methodTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 25, 2003·9 cites·22 claims
- 0561US5477976ABrightening chemical polishing solution for hardened steel article and method of chemically polishing said article in the solutionTOYODA CHUO KENKYUSHO KK·Filed 1993·Granted Dec 26, 1995·12 cites·12 claims
- 0660US5918495AMultistage gear-rolling apparatusTOYOTA JIDOSH KABUSHIKI KAISHA·Filed 1996·Granted Jul 6, 1999·26 cites·12 claims
- 0757US6609403B2Endless metallic belt and manufacturing method thereforTOYOTA MOTOR CO LTD·Filed 2001·Granted Aug 26, 2003·5 cites·17 claims
- 0853US5405459AProduction process for producing hollow steel tube of high strengthTOYOTA MOTOR CO LTD·Filed 1993·Granted Apr 11, 1995·8 cites·17 claims
- 0940US5824168AProcess for gear-rolling a high accuracy gearTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 20, 1998·8 cites·12 claims
- 1037US5690756AMethod for producing cast iron gearTOYOTA MOTOR CO LTD·Filed 1996·Granted Nov 25, 1997·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →