Inventor · disambiguated record
Koji Hagiwara
Also filed as: HAGIWARA KOJI
20 granted patents·1 pending application·167 citations·filing 1994–2019
93Inventor score
Top patents by PatentIndex Score
21 records- 0195US10184382B2Abnormality diagnosis apparatus for NOx storage reduction catalystTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 22, 2019·11 cites·4 claims
- 0286US10302002B2Deterioration diagnosis apparatus for exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2015·Granted May 28, 2019·5 cites·10 claims
- 0386US9617900B2Deterioration diagnosis device for an exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2016·Granted Apr 11, 2017·4 cites·3 claims
- 0483US5665260ACeramic electrostatic chuck with built-in heaterSHINETSU CHEMICAL CO·Filed 1994·Granted Sep 9, 1997·89 cites·6 claims
- 0578US9611776B2Deterioration diagnosis device for an exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2015·Granted Apr 4, 2017·2 cites·4 claims
- 0675US6274974B1Color cathode ray tube having an improved shadow mask structureHITACHI LTD·Filed 2000·Granted Aug 14, 2001·9 cites·38 claims
- 0770US10072553B2Deterioration diagnosis apparatus for selective catalytic reduction catalystTOYOTA MOTOR CO LTD·Filed 2016·Granted Sep 11, 2018·1 cites·9 claims
- 0870US6501214B1Color cathode ray tubeHITACHI LTD·Filed 2000·Granted Dec 31, 2002·12 cites·19 claims
- 0969US6111346AColor cathode ray tube having shadow mask structure with curl reduced in skirt portionHITACHI LTD·Filed 1998·Granted Aug 29, 2000·17 cites·9 claims
- 1056US6437497B2Color cathode ray tube having an improved shadow maskHITACHI LTD·Filed 2001·Granted Aug 20, 2002·2 cites·11 claims
- 1152US6707242B2Color cathode ray tubeHITACHI LTD·Filed 2002·Granted Mar 16, 2004·2 cites·9 claims
- 1251US12103814B2Tape winderHAGIWARA KOJI·Filed 2019·Granted Oct 1, 2024·0 cites·6 claims
- 1349US10619547B2Diagnosis apparatus and diagnosis method for NOx sensorTOYOTA MOTOR CO LTD·Filed 2018·Granted Apr 14, 2020·0 cites·20 claims
- 1447US10746077B2Diagnostic apparatus for exhaust gas sensorTOYOTA MOTOR CO LTD·Filed 2018·Granted Aug 18, 2020·0 cites·20 claims
- 1542US6465942B2Color cathode ray having a shadow mask structure with curl reduced in a skirt portion thereofHITACHI LTD·Filed 2001·Granted Oct 15, 2002·0 cites·22 claims
- 1642US5952063ACrucible of pyrolytic boron nitride for molecular beam epitaxySHINETSU CHEMICAL CO·Filed 1997·Granted Sep 14, 1999·9 cites·4 claims
- 1742US2018179979A1Diagnosis apparatus for exhaust gas sensorTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 1840US6255765B1Color cathode ray tube having a shadow mask structure with curl reduced in a skirt portion thereofHITACHI LTD·Filed 1999·Granted Jul 3, 2001·4 cites·18 claims
- 1938US10072544B2Deterioration diagnosis apparatus for the exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2015·Granted Sep 11, 2018·0 cites·10 claims
- 2038US9650936B2Abnormality detection apparatus for exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2015·Granted May 16, 2017·0 cites·2 claims
- 2137US10119446B2Deterioration diagnosis apparatus for exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2016·Granted Nov 6, 2018·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →