Inventor · disambiguated record
Kouji Ishihara
Also filed as: ISHIHARA KOUJI
7 granted patents·224 citations·filing 1985–2000
88Inventor score
Top patents by PatentIndex Score
7 records- 0190US6516612B1Exhaust gas purification device for an engine and A/F ratio control for early activating a NOx trapping catalystNISSAN MOTOR·Filed 2000·Granted Feb 11, 2003·59 cites·26 claims
- 0287US6167695B1Method and system for diagnosing deterioration of NOx catalystNISSAN MOTOR·Filed 1999·Granted Jan 2, 2001·68 cites·21 claims
- 0378US6145305ASystem and method for diagnosing deterioration of NOx-occluded catalystNISSAN MOTOR·Filed 1999·Granted Nov 14, 2000·43 cites·9 claims
- 0464US4668665AFormulation of sucralfateCHUGAI PHARMACEUTICAL CO LTD·Filed 1985·Granted May 26, 1987·13 cites·3 claims
- 0553US6173570B1Exhaust gas purification device for internal combustion engineNISSAN MOTOR·Filed 1999·Granted Jan 16, 2001·16 cites·14 claims
- 0644US4769381ANicorandil-containing preparation for injectionCHUGAI PHARMACEUTICAL CO LTD·Filed 1987·Granted Sep 6, 1988·13 cites·4 claims
- 0740US6006718ACylinder direct injection spark-ignition engineNISSAN MOTOR·Filed 1998·Granted Dec 28, 1999·12 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →