Inventor · disambiguated record
Yoshirou Hirai
Also filed as: HIRAI YOSHIROU
6 granted patents·22 citations·filing 1998–2013
78Inventor score
Top patents by PatentIndex Score
6 records- 0187US9395692B2Hairspring material for mechanical timepiece and hairspring using the sameCITIZEN HOLDINGS CO LTD·Filed 2013·Granted Jul 19, 2016·3 cites·9 claims
- 0271US7713480B2Heater coil for gas sensor, detection element for gas sensor, contact combustion type gas sensor, and method for manufacturing contact combustion type gas sensorCITIZEN HOLDINGS CO LTD·Filed 2005·Granted May 11, 2010·2 cites·19 claims
- 0361US6425793B1Impregnated cathode and method of manufacturing same, electron gun and electron tubeSONY CORP·Filed 2000·Granted Jul 30, 2002·4 cites·12 claims
- 0460US6252341B1Impregnated cathode having varying surface porositySONY CORP·Filed 1998·Granted Jun 26, 2001·13 cites·19 claims
- 0552US8257656B2Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensorTAKAHASHI IKUO·Filed 2010·Granted Sep 4, 2012·0 cites·12 claims
- 0652US8246913B2Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensorTAKAHASHI IKUO·Filed 2010·Granted Aug 21, 2012·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →