Inventor · disambiguated record
Keiji Fujikawa
Also filed as: FUJIKAWA KEIJI
18 granted patents·4 pending applications·280 citations·filing 1987–2021
93Inventor score
Files withMITSUBISHI HEAVY IND LTD8HITACHI LTD6TSUJIUCHI TATSUYA2YASUTAKE TOSHINOBU2ASAHI GLASS CO LTD1
Top patents by PatentIndex Score
22 records- 0197US8377184B2CO2 recovery apparatus and CO2 recovery methodMITSUBISHI HEAVY IND LTD·Filed 2009·Granted Feb 19, 2013·75 cites·10 claims
- 0290US6137687APrinted circuit board, IC card, and manufacturing method thereofHITACHI LTD·Filed 2000·Granted Oct 24, 2000·66 cites·7 claims
- 0382US4766866AIntake system for engineYAMAHA MOTOR CO LTD·Filed 1987·Granted Aug 30, 1988·39 cites·10 claims
- 0473US9383101B2CO2 recovery unit and CO2 recovery methodTSUJIUCHI TATSUYA·Filed 2011·Granted Jul 5, 2016·3 cites·5 claims
- 0573US6436158B1Coal reforming process and apparatus thereforMITSUBISHI HEAVY IND LTD·Filed 1999·Granted Aug 20, 2002·29 cites·13 claims
- 0669US9084961B2Gas-liquid contacting plate, gas-liquid contacting laminated block body, gas-liquid contacting laminated structure and gas purification deviceTSUJIUCHI TATSUYA·Filed 2011·Granted Jul 21, 2015·2 cites·11 claims
- 0769US5513427ASystem for producing parts/substrate assembliesHITACHI LTD·Filed 1994·Granted May 7, 1996·30 cites·11 claims
- 0861US7056191B2Method for chamfering a plate-like memberASAHI GLASS CO LTD·Filed 2004·Granted Jun 6, 2006·11 cites·3 claims
- 0959US7387650B2Fuel cell power generation system and method for operating the sameMITSUBISHI HEAVY IND LTD·Filed 2003·Granted Jun 17, 2008·4 cites·9 claims
- 1056US12410085B2Waste treatment system and waste treatment methodMITSUBISHI HEAVY IND LTD·Filed 2021·Granted Sep 9, 2025·0 cites·16 claims
- 1156US9662607B2CO2 recovery unit and CO2 recovery methodMITSUBISHI HEAVY IND LTD·Filed 2016·Granted May 30, 2017·0 cites·5 claims
- 1256US2023356275A1Waste treatment system and waste treatment methodMITSUBISHI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 1352US8992871B2CO shift catalyst, CO shift reactor, and method for purifying gasified gasYASUTAKE TOSHINOBU·Filed 2009·Granted Mar 31, 2015·0 cites·3 claims
- 1452US2023257783A1Waste treatment system and waste treatment methodMITSUBISHI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 1547US8887505B2Carbon dioxide recovery system and methodIIJIMA MASAKI·Filed 2009·Granted Nov 18, 2014·0 cites·5 claims
- 1647US2012058036A1Co shift catalyst, method for manufacturing the same, and co shift reactor using co shift catalystYASUTAKE TOSHINOBU·Filed 2009·Application pending·0 cites
- 1744US6551449B2Thin electronic circuit component and method and apparatus for producing the sameHITACHI LTD·Filed 2001·Granted Apr 22, 2003·2 cites·5 claims
- 1842US6203655B1Thin electronic circuit component and method and apparatus for producing the sameHITACHI LTD·Filed 1998·Granted Mar 20, 2001·11 cites·10 claims
- 1941US9186619B2CO2 recovery unit and method thereforHIRATA TAKUYA·Filed 2009·Granted Nov 17, 2015·0 cites·16 claims
- 2034US2016236145A1Flue gas treatment method and denitration/so3 reduction apparatusMITSUBISHI HEAVY IND LTD·Filed 2015·Application pending·0 cites
- 2133US5520733ADeposition apparatus and profile-following device suitable for apparatuses such as those for depositionHITACHI LTD·Filed 1994·Granted May 28, 1996·5 cites·18 claims
- 2227US5745972AMethod of producing parts/substrate assembliesHITACHI LTD·Filed 1995·Granted May 5, 1998·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →