Inventor · disambiguated record
Hirofumi Shinjoh
Also filed as: SHINJOH HIROFUMI
3 granted patents·85 citations·filing 1988–2002
72Inventor score
Top patents by PatentIndex Score
3 records- 0184US4843056AExhaust gas purifying catalyst and process for producing the sameTOYODA CHUO KENKYUSHO KK·Filed 1988·Granted Jun 27, 1989·44 cites·17 claims
- 0283US4957896ACatalyst for purification of exhaust gasesTOYOTA MOTOR CO LTD·Filed 1989·Granted Sep 18, 1990·40 cites·8 claims
- 0348US6777368B2Molten-salt type catalystTOYODA CHUO KENKYUSHO KK·Filed 2002·Granted Aug 17, 2004·1 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →