Inventor · disambiguated record
Takashi Chuman
Also filed as: CHUMAN TAKASHI
46 granted patents·24 pending applications·1,059 citations·filing 1991–2025
98Inventor score
Files withPIONEER CORP28PIONEER ELECTRONIC CORP27FUJIFILM CORP8CHUMAN TAKASHI3FUJIFILM HEALTHCARE CORP1
Top patents by PatentIndex Score
70 records- 0197US6166487AElectron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 2000·Granted Dec 26, 2000·78 cites·14 claims
- 0295US5990605AElectron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted Nov 23, 1999·112 cites·11 claims
- 0393US6130503AElectron emission device and display using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted Oct 10, 2000·73 cites·24 claims
- 0493US6023124AElectron emission device and display device using the samePIONEER ELECTRIC CORP·Filed 1998·Granted Feb 8, 2000·81 cites·5 claims
- 0592US6285123B1Electron emission device with specific island-like regionsPIONEER CORP·Filed 1999·Granted Sep 4, 2001·76 cites·27 claims
- 0691US6184612B1Electron emission device with electron supply layer of hydrogenated amorphous siliconPIONEER ELECTRONIC CORP·Filed 1998·Granted Feb 6, 2001·70 cites·2 claims
- 0790US6787992B2Display device of flat panel structure with emission devices of matrix arrayPIONEER CORP·Filed 2001·Granted Sep 7, 2004·38 cites·35 claims
- 0890US6066922AElectron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted May 23, 2000·62 cites·14 claims
- 0986US6744063B2Image pickup device including electron-emitting devicesPIONEER CORP·Filed 2001·Granted Jun 1, 2004·27 cites·8 claims
- 1084US11417854B2Light-emitting device and light-emitting modulePIONEER CORP·Filed 2018·Granted Aug 16, 2022·2 cites·18 claims
- 1181US6400070B1Electron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted Jun 4, 2002·36 cites·12 claims
- 1281US5326679ARecording mediumPIONEER ELECTRONIC CORP·Filed 1993·Granted Jul 5, 1994·32 cites·2 claims
- 1380US6700132B2Flat panel display device utilizing electron emission devicesPIONEER CORP·Filed 2001·Granted Mar 2, 2004·16 cites·9 claims
- 1478US6404124B1Electron emission device and display apparatus using the samePIONEER ELECTRONIC CORP·Filed 1999·Granted Jun 11, 2002·31 cites·21 claims
- 1577US6472803B1Electron emission light-emitting device and display apparatus using the samePIONEER CORP·Filed 1999·Granted Oct 29, 2002·29 cites·12 claims
- 1676US6316873B1Electron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted Nov 13, 2001·28 cites·20 claims
- 1775US11943950B2Light-emitting device and light-emitting modulePIONEER CORP·Filed 2022·Granted Mar 26, 2024·0 cites·7 claims
- 1875US6259198B1Flat panel display apparatus with an array of electron emitting devicesPIONEER ELECTRONIC CORP·Filed 1998·Granted Jul 10, 2001·29 cites·9 claims
- 1973US5986390AElectron emission device having peak intensity ratio characteristic of raman spectrum for fold ring of SiO2PIONEER ELECTRONIC CORP·Filed 1998·Granted Nov 16, 1999·25 cites·8 claims
- 2073US5328741AOptical recording mediumPIONEER ELECTRONIC CORP·Filed 1991·Granted Jul 12, 1994·21 cites·8 claims
- 2172US6388376B1Electron emission device with electron supply layer having reduced resistancePIONEER CORP·Filed 1999·Granted May 14, 2002·23 cites·8 claims
- 2272US6144155AElectron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted Nov 7, 2000·23 cites·4 claims
- 2372US2025377427A1Wireless optical communication system and wireless optical communication methodFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 2472US2025379653A1Wireless optical communication system and wireless optical communication methodFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 2572US2025377426A1Magnetic resonance imaging apparatusFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 2672US2025377425A1Magnetic resonance imaging apparatusFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 2771US7095040B2Electron-emitting device and method of manufacturing the same and display apparatus using the samePIONEER CORP·Filed 2001·Granted Aug 22, 2006·9 cites·35 claims
- 2869US5370970AWrite-once-read-many optical diskPIONEER ELECTRONIC CORP·Filed 1993·Granted Dec 6, 1994·18 cites·14 claims
- 2968US6147443AElectron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted Nov 14, 2000·19 cites·3 claims
- 3065US8049404B2Organic electroluminescent display panel and manufacturing method thereofPIONEER CORP·Filed 2007·Granted Nov 1, 2011·2 cites·9 claims
- 3165US7968458B2Electronic circuit board and its manufacturing methodPIONEER CORP·Filed 2005·Granted Jun 28, 2011·2 cites·19 claims
- 3265US2022344608A1Light-emitting devicePIONEER CORP·Filed 2022·Application pending·0 cites
- 3364US7165841B2Stereoscopic image display apparatusPIONEER CORP·Filed 2004·Granted Jan 23, 2007·6 cites·18 claims
- 3464US6278230B1Electron emission device and display device using the samePIONEER ELECTRONIC CORP·Filed 1998·Granted Aug 21, 2001·16 cites·2 claims
- 3564US5204220AOptical recording mediumPIONEER ELECTRONIC CORP·Filed 1991·Granted Apr 20, 1993·14 cites·3 claims
- 3662US2025377428A1Optical wireless unit and magnetic resonance imaging apparatusFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 3761US11411194B2Light-emitting devicePIONEER CORP·Filed 2018·Granted Aug 9, 2022·0 cites·10 claims
- 3860US5328802AOptical recording mediumPIONEER ELECTRONIC CORP·Filed 1991·Granted Jul 12, 1994·12 cites·3 claims
- 3958US5391413AOptical recording mediumPIONEER ELECTRONIC CORP·Filed 1991·Granted Feb 21, 1995·11 cites·4 claims
- 4057US12303248B2Magnetic resonance imaging apparatus and signal processing methodFUJIFILM HEALTHCARE CORP·Filed 2023·Granted May 20, 2025·0 cites·10 claims
- 4156US2025375335A1Patient table and magnetic resonance imaging apparatusFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 4256US2025379654A1Wireless optical communication system and wireless optical communication methodFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 4356US2025375163A1Patient table and magnetic resonance imaging apparatusFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 4455US7345658B2Three-dimensional image display devicePIONEER CORP·Filed 2004·Granted Mar 18, 2008·2 cites·7 claims
- 4555US2017213993A1Optical devicePIONEER CORP·Filed 2014·Application pending·0 cites
- 4652US7355563B2Display apparatus and display devicePIONEER CORP·Filed 2004·Granted Apr 8, 2008·1 cites·10 claims
- 4751US5336584AOptical recording mediumPIONEER ELECTRONIC CORP·Filed 1991·Granted Aug 9, 1994·8 cites·3 claims
- 4849US7206112B2Image display device and manufacuring methodPIONEER CORP·Filed 2003·Granted Apr 17, 2007·2 cites·15 claims
- 4947US2010096621A1Organic transistor and manufacture method thereofCHUMAN TAKASHI·Filed 2007·Application pending·0 cites
- 5046US2004160535A1Apparatus for displaying three-dimensional imagePIONEER CORP·Filed 2004·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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