Inventor · disambiguated record
Katsuhiko Uchida
Also filed as: UCHIDA KATSUHIKO
6 granted patents·152 citations·filing 1990–2004
85Inventor score
Top patents by PatentIndex Score
6 records- 0189US5247914AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1992·Granted Sep 28, 1993·62 cites·4 claims
- 0283US5058539AValve timing adjusting system for internal combustion engineATSUGI UNISIA CORP·Filed 1990·Granted Oct 22, 1991·42 cites·13 claims
- 0363US6868812B2Valve timing control system for internal combustion engineUNISIA JECS CORP·Filed 2001·Granted Mar 22, 2005·9 cites·7 claims
- 0457US5592910ACamshaft phase changing deviceUNISIA JECS CORP·Filed 1995·Granted Jan 14, 1997·16 cites·15 claims
- 0555US6874456B2Valve operating apparatus of internal combustion enginesHITACHI LTD·Filed 2004·Granted Apr 5, 2005·6 cites·20 claims
- 0654US5209193AIntake- and/or exhaust-valve timing control system for internal combustion enginesATSUGI UNISIA CORP·Filed 1991·Granted May 11, 1993·17 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →