Inventor · disambiguated record
Yuzo Hitachi
Also filed as: HITACHI YUZO
15 granted patents·552 citations·filing 1988–1997
95Inventor score
Files withUSUI KOKUSAI SANGYO KK15
Top patents by PatentIndex Score
15 records- 0191US5979945ACommon railUSUI KOKUSAI SANGYO KK·Filed 1997·Granted Nov 9, 1999·76 cites·11 claims
- 0287US5992904ABranch pipe joint for high-pressure fluidsUSUI KOKUSAI SANGYO KK·Filed 1997·Granted Nov 30, 1999·64 cites·14 claims
- 0387US5265793ASmall thick-walled composite metal tubing and process of producing the sameUSUI KOKUSAI SANGYO KK·Filed 1992·Granted Nov 30, 1993·53 cites·12 claims
- 0487US4987034AHigh-efficiency metal-made carrier body for exhaust gas cleaning catalystUSUI KOKUSAI SANGYO KK·Filed 1990·Granted Jan 22, 1991·57 cites·8 claims
- 0586US5374402AMetal-made honeycomb carrier bodyUSUI KOKUSAI SANGYO KK·Filed 1993·Granted Dec 20, 1994·61 cites·7 claims
- 0685US5137696AExhaust gas cleaning deviceUSUI KOKUSAI SANGYO KK·Filed 1990·Granted Aug 11, 1992·61 cites·5 claims
- 0772US5110561AExhaust gas cleaning deviceUSUI KOKUSAI SANGYO KK·Filed 1990·Granted May 5, 1992·42 cites·12 claims
- 0866US5380501AExhaust gas cleaning deviceUSUI KOKUSAI SANGYO KK·Filed 1990·Granted Jan 10, 1995·34 cites·9 claims
- 0957US5163291AMetal-made carrier body for exhaust gas cleaning catalystUSUI KOKUSAI SANGYO KK·Filed 1991·Granted Nov 17, 1992·18 cites·5 claims
- 1055US5173471AExhaust gas cleaning deviceUSUI KOKUSAI SANGYO KK·Filed 1991·Granted Dec 22, 1992·16 cites·12 claims
- 1147US5177960AMetal-made carrier body for exhaust gasUSUI KOKUSAI SANGYO KK·Filed 1991·Granted Jan 12, 1993·19 cites·6 claims
- 1246US5094821AExhaust gas cleaning deviceUSUI KOKUSAI SANGYO KK·Filed 1990·Granted Mar 10, 1992·18 cites·9 claims
- 1345US5050790AProcess for the fabrication of metal-made carrier body for exhaust gas cleaning catalystUSUI KOKUSAI SANGYO KK·Filed 1990·Granted Sep 24, 1991·17 cites·12 claims
- 1439US4857500AMethod for manufacturing the metallic carrier base material for maintaining a catalyst for exhaust gas purificationUSUI KOKUSAI SANGYO KK·Filed 1988·Granted Aug 15, 1989·6 cites·24 claims
- 1539US4853360AMethod for manufacturing the metallic carrier base material for maintaining a catalyst for exhaust gas purificationUSUI KOKUSAI SANGYO KK·Filed 1988·Granted Aug 1, 1989·10 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →