Inventor · disambiguated record
Hiroshi Ichihara
Also filed as: ICHIHARA HIROSHI · ICHIHARA YUTAKA
7 granted patents·317 citations·filing 1999–2019
86Inventor score
Top patents by PatentIndex Score
7 records- 0197US6456382B2Interferometer that measures aspherical surfacesNIKON CORP·Filed 2001·Granted Sep 24, 2002·69 cites·6 claims
- 0294US6312373B1Method of manufacturing an optical systemNIKON CORP·Filed 1999·Granted Nov 6, 2001·152 cites·4 claims
- 0387US6344898B1Interferometric apparatus and methods for measuring surface topography of a test surfaceNIKON CORP·Filed 1999·Granted Feb 5, 2002·79 cites·4 claims
- 0479US6765683B2Interferometer system and method of manufacturing projection optical system using sameNIKON CORP·Filed 2002·Granted Jul 20, 2004·17 cites·10 claims
- 0544US10490984B1Method of producing composite for forming electrode of ignition plug and method of producing ignition plugNGK SPARK PLUG CO·Filed 2019·Granted Nov 26, 2019·0 cites·10 claims
- 0630US9431796B2Method for manufacturing spark plugICHIHARA HIROSHI·Filed 2012·Granted Aug 30, 2016·0 cites·14 claims
- 0727US9065257B2Method of manufacturing electrode complex for forming electrode of spark plug, and method of manufacturing spark plugICHIHARA HIROSHI·Filed 2011·Granted Jun 23, 2015·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →