Inventor · disambiguated record
Masaharu Hasei
Also filed as: HASEI MASAHARU
13 granted patents·643 citations·filing 1996–2002
94Inventor score
Files withRIKEN KK13
Top patents by PatentIndex Score
13 records- 0198US6773565B2NOx sensorRIKEN KK·Filed 2001·Granted Aug 10, 2004·316 cites·25 claims
- 0282US6787014B2Gas-detecting element and gas-detecting device comprising sameRIKEN KK·Filed 2002·Granted Sep 7, 2004·21 cites·6 claims
- 0375US6551497B1Measuring NOx concentrationRIKEN KK·Filed 1999·Granted Apr 22, 2003·43 cites·4 claims
- 0473US6319377B1Nitrogen oxide sensorRIKEN KK·Filed 1998·Granted Nov 20, 2001·41 cites·10 claims
- 0573US6303011B1Gas sensorRIKEN KK·Filed 1998·Granted Oct 16, 2001·41 cites·13 claims
- 0671US6019881ANOx sensorRIKEN KK·Filed 1998·Granted Feb 1, 2000·36 cites·2 claims
- 0768US6413397B2Nitrogen oxide gas sensorRIKEN KK·Filed 2001·Granted Jul 2, 2002·7 cites·11 claims
- 0867US5897759ANOx sensorRIKEN KK·Filed 1996·Granted Apr 27, 1999·31 cites·3 claims
- 0965US6471840B1Composite sensorRIKEN KK·Filed 1999·Granted Oct 29, 2002·29 cites·15 claims
- 1064US6274016B1Nitrogen oxide gas sensorRIKEN KK·Filed 1999·Granted Aug 14, 2001·22 cites·10 claims
- 1162US6143165ANox sensorRIKEN KK·Filed 1998·Granted Nov 7, 2000·26 cites·2 claims
- 1251US5861092ANitrogen oxide detectorRIKEN KK·Filed 1997·Granted Jan 19, 1999·16 cites·16 claims
- 1348US6126902ANOx sensorRIKEN KK·Filed 1997·Granted Oct 3, 2000·14 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →