Inventor · disambiguated record
Isao Tomita
Also filed as: TOMITA ISAO
54 granted patents·14 pending applications·231 citations·filing 2007–2024
98Inventor score
Files withNEC CORP16MITSUBISHI HEAVY IND LTD14MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD12TOMITA ISAO6HOSHI TORU3
Top patents by PatentIndex Score
68 records- 0195US11066982B2Centrifugal compressor and turbochargerMITSUBISHI HEAVY IND LTD·Filed 2019·Granted Jul 20, 2021·8 cites·9 claims
- 0294US8888440B2Compressor of exhaust gas turbochargerTOMITA ISAO·Filed 2010·Granted Nov 18, 2014·18 cites·5 claims
- 0393US9065243B2Optical amplifierASOBE MASAKI·Filed 2012·Granted Jun 23, 2015·62 cites·29 claims
- 0492US9541094B2Scroll structure of centrifugal compressorIWAKIRI KENICHIRO·Filed 2011·Granted Jan 10, 2017·12 cites·8 claims
- 0591US11718895B2Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrapJX NIPPON MINING & METALS CORP·Filed 2018·Granted Aug 8, 2023·5 cites·7 claims
- 0691US10890726B2Pluggable optical module and optical communication systemNEC CORP·Filed 2019·Granted Jan 12, 2021·2 cites·1 claims
- 0789US11606144B2Pluggable optical module and optical communication systemNEC CORP·Filed 2020·Granted Mar 14, 2023·1 cites·17 claims
- 0888US9726189B2Turbocharger and method of manufacturing floating bushNISHIDA HIDEAKI·Filed 2012·Granted Aug 8, 2017·12 cites·4 claims
- 0988US9366265B2Scroll shape of centrifugal compressorTOMITA ISAO·Filed 2012·Granted Jun 14, 2016·8 cites·11 claims
- 1088US8147186B2Centrifugal compressorIBARAKI SEIICHI·Filed 2008·Granted Apr 3, 2012·18 cites·7 claims
- 1187US8733101B2Wastegate valveHOSHI TORU·Filed 2011·Granted May 27, 2014·8 cites·3 claims
- 1285US10801514B2Impeller wheel and centrifugal compressor having impeller wheelMITSUBISHI HEAVY IND LTD·Filed 2019·Granted Oct 13, 2020·4 cites·8 claims
- 1384US11835058B2Impeller and centrifugal compressorMITSUBISHI HEAVY IND MARINE MACHINERY & EQUIPMENT CO LTD·Filed 2021·Granted Dec 5, 2023·2 cites·6 claims
- 1484US9033667B2Impeller of centrifugal compressorIWAKIRI KENICHIRO·Filed 2010·Granted May 19, 2015·7 cites·6 claims
- 1583US2024118507A1Pluggable optical module and optical communication systemNEC CORP·Filed 2023·Application pending·0 cites
- 1682US10917172B2Pluggable optical module, optical communication system, and control method of pluggable optical moduleNEC CORP·Filed 2018·Granted Feb 9, 2021·3 cites·20 claims
- 1781US11899256B2Pluggable optical module and optical communication systemNEC CORP·Filed 2023·Granted Feb 13, 2024·0 cites·12 claims
- 1879US10644478B2Light source module and method of manufacturing light source moduleNEC CORP·Filed 2016·Granted May 5, 2020·2 cites·8 claims
- 1979US10167877B2Centrifugal compressorMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Jan 1, 2019·4 cites·3 claims
- 2079US10125793B2Centrifugal compressorMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Nov 13, 2018·6 cites·20 claims
- 2178US11078922B2Scroll casing and centrifugal compressorMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2015·Granted Aug 3, 2021·2 cites·9 claims
- 2278US10655637B2Scroll casing and centrifugal compressorMITSUBISHI HEAVY IND LTD·Filed 2015·Granted May 19, 2020·2 cites·18 claims
- 2377US10837297B2Centrifugal compressor and turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2015·Granted Nov 17, 2020·2 cites·6 claims
- 2477US10473207B2Oil-drain device for thrust bearing device and turbocharger provided with the sameMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2014·Granted Nov 12, 2019·4 cites·15 claims
- 2576US9562541B2Scroll structure of centrifugal compressorIWAKIRI KENICHIRO·Filed 2012·Granted Feb 7, 2017·4 cites·7 claims
- 2676US9494160B2Centrifugal compressor impellerTOMITA ISAO·Filed 2011·Granted Nov 15, 2016·4 cites·4 claims
- 2776US9140271B2Impeller of centrifugal compressorSUGIMOTO KOICHI·Filed 2010·Granted Sep 22, 2015·5 cites·5 claims
- 2875US12123074B2Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrapJX METALS CIRCULAR SOLUTIONS CO LTD·Filed 2023·Granted Oct 22, 2024·0 cites·7 claims
- 2974US11067094B2Compressor scroll and centrifugal compressorMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2016·Granted Jul 20, 2021·2 cites·20 claims
- 3074US7585117B2Optical moduleKANEKO TARO·Filed 2008·Granted Sep 8, 2009·8 cites·12 claims
- 3171US9581046B2Scroll structure of centrifugal compressorHOSHI TORU·Filed 2011·Granted Feb 28, 2017·3 cites·2 claims
- 3271US2025105587A1Optical moduleNEC CORP·Filed 2024·Application pending·0 cites
- 3370US9638208B2Centrifugal compressorTOMITA ISAO·Filed 2011·Granted May 2, 2017·4 cites·7 claims
- 3469US2024396291A1Light source module and light output methodNEC CORP·Filed 2024·Application pending·0 cites
- 3567US10436218B2Compressor cover, centrifugal compressor, and turbocharger, and compressor cover manufacturing methodMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2014·Granted Oct 8, 2019·2 cites·14 claims
- 3663US11342991B2Pluggable optical module, optical communication system, and control method of pluggable optical moduleNEC CORP·Filed 2021·Granted May 24, 2022·0 cites·18 claims
- 3763US9926938B2Variable geometry turbochargerMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Mar 27, 2018·1 cites·5 claims
- 3862US10683870B2Impeller cover, rotary machine, and impeller cover manufacturing methodMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2015·Granted Jun 16, 2020·1 cites·9 claims
- 3960US7684133B2Optical moduleNEC CORP·Filed 2008·Granted Mar 23, 2010·2 cites·10 claims
- 4060US2018188456A1Pluggable optical module and optical communication systemNEC CORP·Filed 2016·Application pending·0 cites
- 4158US11970405B2Method for producing lithium carbonateJX METALS CORP·Filed 2019·Granted Apr 30, 2024·0 cites·12 claims
- 4258US9606310B2Sealing structure of optical communication module and sealing method of the sameNEC CORP·Filed 2014·Granted Mar 28, 2017·0 cites·15 claims
- 4358US9383528B2Light-receiving moduleTOMITA ISAO·Filed 2012·Granted Jul 5, 2016·0 cites·9 claims
- 4457US12443018B2Optical moduleNEC CORP·Filed 2023·Granted Oct 14, 2025·0 cites·7 claims
- 4557US11976667B2Centrifugal compressor and turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2019·Granted May 7, 2024·0 cites·4 claims
- 4656US11725668B2Centrifugal compressor and turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2019·Granted Aug 15, 2023·0 cites·15 claims
- 4756US11401828B2Asymmetric turbomachinery housing for thermal expansionMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2018·Granted Aug 2, 2022·0 cites·11 claims
- 4856US10072523B2Sheet-metal turbine housingMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Sep 11, 2018·1 cites·7 claims
- 4954US11909448B2Single-fiber bi-directional optical transceiver sub-assemblyNEC CORP·Filed 2019·Granted Feb 20, 2024·0 cites·8 claims
- 5054US10267332B2CompressorMITSUBISHI HEAVY IND LTD·Filed 2014·Granted Apr 23, 2019·0 cites·4 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →