Inventor · disambiguated record
Hisashi Sakai
Also filed as: OZAWA SEIJI · SAKAI HISASHI
19 granted patents·5 pending applications·195 citations·filing 1977–2022
95Inventor score
Top patents by PatentIndex Score
24 records- 0193US10866203B2Stress sensorKYOCERA CORP·Filed 2017·Granted Dec 15, 2020·10 cites·17 claims
- 0289US11391687B2Gas sensor device and method for removing gas componentNAT INST MATERIALS SCIENCE·Filed 2017·Granted Jul 19, 2022·5 cites·6 claims
- 0379US4975408AThermosensitive recording materialRICOH KK·Filed 1988·Granted Dec 4, 1990·18 cites·15 claims
- 0475US10525501B2Roller transfer application method and application device for hot-melt adhesiveSUN TOOL CORP·Filed 2014·Granted Jan 7, 2020·2 cites·11 claims
- 0574US8227733B2Combined photoelectric conversion deviceHIGUCHI HISASHI·Filed 2009·Granted Jul 24, 2012·4 cites·16 claims
- 0674US4571605AThermosensitive recording materialRICOH KK·Filed 1984·Granted Feb 18, 1986·15 cites·5 claims
- 0769US8191402B2Monitoring device of gas introducing device for analyzerKISHITA KEISUKE·Filed 2008·Granted Jun 5, 2012·3 cites·3 claims
- 0868US6633322B2Light emitting element array, optical printer head using the same, and method for driving optical printer headKYOCERA CORP·Filed 2001·Granted Oct 14, 2003·23 cites·7 claims
- 0968US5102693AThermosensitive recording materialRICOH KK·Filed 1990·Granted Apr 7, 1992·12 cites·4 claims
- 1067US4507670AThermosensitive recording materialRICOH KK·Filed 1984·Granted Mar 26, 1985·11 cites·12 claims
- 1166US4916111AThermosensitive recording materialRICOH KK·Filed 1988·Granted Apr 10, 1990·12 cites·6 claims
- 1265US8276470B2Device and method for introducing gas for analysis deviceKISHITA KEISUKE·Filed 2008·Granted Oct 2, 2012·2 cites·6 claims
- 1363US4895828AThermosensitive recording materialRICOH KK·Filed 1989·Granted Jan 23, 1990·10 cites·18 claims
- 1460US5714665AMethod and apparatus for the decomposition and re-use-as-resource treatment of ozone layer-depleting substances by application of UV lightTOKYO ELECTRIC POWER CO·Filed 1995·Granted Feb 3, 1998·29 cites·6 claims
- 1557US2024116046A1Sensor package, sensor module, and sensor deviceKYOCERA CORP·Filed 2022·Application pending·0 cites
- 1657US2024180781A1Tubular body kit and gasketKYOCERA CORP·Filed 2022·Application pending·0 cites
- 1755US2023329970A1Syringe systemKYOCERA CORP·Filed 2021·Application pending·0 cites
- 1854US4164307ACap with supply stopper for use with containersRICOH KK·Filed 1977·Granted Aug 14, 1979·17 cites·4 claims
- 1954US2023098500A1Sensor package and sensor moduleKYOCERA CORP·Filed 2021·Application pending·0 cites
- 2050US2022348852A1Culture container and method for producing regenerative hair follicle germ using culture containerRIKEN·Filed 2020·Application pending·0 cites
- 2143US5734091AMethod of manufacturing nitrogen oxide sensor, and nitrogen oxide sensor manufactured by the method and material thereforOSAKA GAS CO LTD·Filed 1997·Granted Mar 31, 1998·10 cites·6 claims
- 2239US5810984ANitrogen oxide sensor and method of manufacturing the sensorOSAKA GAS CO LTD·Filed 1997·Granted Sep 22, 1998·7 cites·5 claims
- 2335US9845090B2Hybrid vehicleMITSUBISHI MOTORS CORP·Filed 2015·Granted Dec 19, 2017·0 cites·12 claims
- 2434US5137864AThermosensitive recording materialRICOH KK·Filed 1990·Granted Aug 11, 1992·5 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Hisashi Sakai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →