Inventor · disambiguated record
Ryuichi Hasegawa
Also filed as: HASEGAWA RYUICHI
10 granted patents·8 pending applications·106 citations·filing 1983–2020
88Inventor score
Files withMITSUBISHI CHEM CORP8TOYOTA MOTOR CO LTD3HASEGAWA RYUICHI2MITSUBISHI MONSANTO CHEM2HAYASHI KOJI1
Top patents by PatentIndex Score
18 records- 0190US8456045B2Heat-generating portion cooling structure of vehicle drive apparatusHAYASHI KOJI·Filed 2010·Granted Jun 4, 2013·11 cites·10 claims
- 0288US7527862B2Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elementsMITSUBISHI CHEM CORP·Filed 2006·Granted May 5, 2009·10 cites·26 claims
- 0386US8360927B2Vehicle power transmission deviceTOYOTA MOTOR CO LTD·Filed 2010·Granted Jan 29, 2013·8 cites·9 claims
- 0482US10408335B2Vehicle drive apparatusTOYOTA MOTOR CO LTD·Filed 2015·Granted Sep 10, 2019·3 cites·5 claims
- 0560US5096948AResistant resin compositionsSANKYO CO·Filed 1990·Granted Mar 17, 1992·13 cites·39 claims
- 0659US4596886APolyester containing impure 1,2-butanediolMITSUBISHI MONSANTO CHEM·Filed 1983·Granted Jun 24, 1986·11 cites·7 claims
- 0754US5073316AProcess for producing a porous filmMITSUBISHI KASEI VINYL·Filed 1990·Granted Dec 17, 1991·42 cites·17 claims
- 0854US4681975APolyesterMITSUBISHI MONSANTO CHEM·Filed 1986·Granted Jul 21, 1987·8 cites·6 claims
- 0953US11203713B2Phosphor, light-emitting device, image display device, and illumination deviceMITSUBISHI CHEM CORP·Filed 2020·Granted Dec 21, 2021·0 cites·11 claims
- 1049US2021190201A1Lubrication device for vehicle drive-force transmitting apparatusTOYOTA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 1143US2009275742A1Coloring matter for anisotropic coloring matter film, composition comprising said coloring matter, anisotropic coloring matter film, and polarizing elementMITSUBISHI CHEM CORP·Filed 2006·Application pending·0 cites
- 1243US2007287830A1Trisazo Dye, Composition Containing the Same for Anisotropic Dye Film, Anisotropic Dye Film, and Polarizing ElementMITSUBISHI CHEM CORP·Filed 2005·Application pending·0 cites
- 1342US2009166583A1Composition for anisotropic pigmented film, anisotropic pigmented film, and polarizing elementHASEGAWA RYUICHI·Filed 2006·Application pending·0 cites
- 1441US2009027774A1Composition for anisotropic dyestuff film, anisotropic dyestuff film and polarizing elementMITSUBISHI CHEM CORP·Filed 2006·Application pending·0 cites
- 1541US2009040609A1Composition for anisotropic dye film, anisotropic dye film, and polarizing deviceMITSUBISHI CHEM CORP·Filed 2006·Application pending·0 cites
- 1640US7960521B2Azo dyes, compositions for anisotropic dye films using them, anisotropic dye films and polarizing elementsMITSUBISHI CHEM CORP·Filed 2005·Granted Jun 14, 2011·0 cites·9 claims
- 1740US2006230551A1Dye compositions for anisotropic dye films, anisotropic dye films and polarizing elementsMITSUBISHI CHEM CORP·Filed 2006·Application pending·0 cites
- 1838US2014290429A1Power transmission deviceHASEGAWA RYUICHI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →