Inventor · disambiguated record
Akira Tokai
Also filed as: TOKAI AKIRA
42 granted patents·27 pending applications·946 citations·filing 1997–2015
98Inventor score
Files withFUJITSU LTD29PANASONIC IP MAN CO LTD17SHINODA PLASMA CORP9HITACHI LTD4SHINODA PLASMA CO LTD3
Top patents by PatentIndex Score
69 records- 0197US7083681B2Method for forming coating film on internal surface of elongated tube and unit for forming the sameFUJITSU LTD·Filed 2005·Granted Aug 1, 2006·33 cites·5 claims
- 0297US6893677B2Method for forming coating film on internal surface of elongated tube and unit for forming the sameFUJITSU LTD·Filed 2003·Granted May 17, 2005·72 cites·9 claims
- 0395US6836063B2Display tube and display deviceFUJITSU LTD·Filed 2002·Granted Dec 28, 2004·57 cites·7 claims
- 0495US6677704B2AC-type gas discharge display with elliptical discharge tubeFUJITSU LTD·Filed 2002·Granted Jan 13, 2004·59 cites·20 claims
- 0595US6633117B2Display deviceFUJITSU LTD·Filed 2002·Granted Oct 14, 2003·56 cites·11 claims
- 0694US6930442B2Display deviceFUJITSU LTD·Filed 2002·Granted Aug 16, 2005·49 cites·16 claims
- 0794US6650055B2Display deviceFUJITSU LTD·Filed 2002·Granted Nov 18, 2003·51 cites·14 claims
- 0893US7049748B2Display device employing gas discharge tubes arranged in parallel between front and rear substrates to comprise a display screen, each tube having a light emitting section as part of the display screen and a cleaning section connected to the light emitting section but displaced from the display screenFUJITSU LTD·Filed 2002·Granted May 23, 2006·46 cites·11 claims
- 0993US6969292B2Method for forming phosphor layer of gas discharge tube and method for fabricating phosphor layer supporting memberFUJITSU LTD·Filed 2004·Granted Nov 29, 2005·42 cites·11 claims
- 1093US6914382B2Display device having array of elongated discharge tubesFUJITSU LTD·Filed 2003·Granted Jul 5, 2005·47 cites·24 claims
- 1193US6841929B2Display device with a plurality of light-emitting tubes arranged in parallelFUJITSU LTD·Filed 2003·Granted Jan 11, 2005·46 cites·27 claims
- 1293US6836064B2Gas discharge tube and display device using the sameFUJITSU LTD·Filed 2002·Granted Dec 28, 2004·46 cites·7 claims
- 1393US6794812B2Light-emitting tube array display deviceFUJITSU LTD·Filed 2003·Granted Sep 21, 2004·48 cites·11 claims
- 1492US6932664B2Gas discharge tube and method for forming electron emission layer in gas discharge tubeFUJITSU LTD·Filed 2002·Granted Aug 23, 2005·45 cites·13 claims
- 1592US6857923B2Method of forming phosphor layer of gas discharge tubeFUJITSU LTD·Filed 2002·Granted Feb 22, 2005·42 cites·16 claims
- 1690US6485596B1Three-dimensional structure transfer method and apparatusFUJITSU LTD·Filed 2000·Granted Nov 26, 2002·33 cites·10 claims
- 1785US6601629B2Three-dimensional structure transfer method and apparatusFUJITSU LTD·Filed 2002·Granted Aug 5, 2003·21 cites·5 claims
- 1884US6713959B1Plasma display panel and method for producing the sameFUJITSU LTD·Filed 1999·Granted Mar 30, 2004·34 cites·9 claims
- 1979US7190110B2Light-emitting tube array display deviceFUJITSU LTD·Filed 2003·Granted Mar 13, 2007·14 cites·9 claims
- 2077US7530305B2Molding material transfer method and substrate structureHITACHI LTD·Filed 2005·Granted May 12, 2009·2 cites·10 claims
- 2177US7371508B2Plasma display panel and method for fabricating the sameHITACHI LTD·Filed 2004·Granted May 13, 2008·9 cites·7 claims
- 2277US6577060B2Display deviceFUJITSU LTD·Filed 2000·Granted Jun 10, 2003·17 cites·45 claims
- 2377US6482575B2Method of preparing barrier rib master pattern for barrier rib transfer and method of forming barrier ribsFUJITSU LTD·Filed 2001·Granted Nov 19, 2002·12 cites·9 claims
- 2477US6048243AMethod of forming barrier ribs of display panelFUJITSU LTD·Filed 1997·Granted Apr 11, 2000·30 cites·8 claims
- 2572US7208203B2Method for forming metal oxide film and method for forming secondary electron emission film in gas discharge tubeFUJITSU LTD·Filed 2003·Granted Apr 24, 2007·10 cites·5 claims
- 2671US7339312B2Gas discharge tube and display device having a protrusion having a surface facing towards display surfaceSHINODA PLASMA CORP·Filed 2005·Granted Mar 4, 2008·2 cites·14 claims
- 2769US7479736B2Display device with varying phosphor structureSHINODA PLASMA CORP·Filed 2005·Granted Jan 20, 2009·2 cites·20 claims
- 2867US7018771B2Material transfer method and manufacturing method for substrate for plasma displayADVANCED PDP DEV CT CORP·Filed 2005·Granted Mar 28, 2006·2 cites·5 claims
- 2966US8008847B2Manufacturing method of gas discharge tube, gas discharge tube, and display deviceSHINODA PLASMA CORP·Filed 2008·Granted Aug 30, 2011·0 cites·3 claims
- 3065US9417748B2Input device and display devicePANASONIC IP MAN CO LTD·Filed 2014·Granted Aug 16, 2016·1 cites·15 claims
- 3160US2009128038A1Light-emitting discharge tube, method of fabricating the same, and protective film forming apparatusYAMADA HITOSHI·Filed 2009·Application pending·0 cites
- 3259US2008199815A1Plasma display panel and method for fabricating the sameHITACHI LTD·Filed 2007·Application pending·0 cites
- 3358US7524229B2Manufacturing method of gas discharge tube, gas discharge tube, and display deviceSHINODA PLASMA CORP·Filed 2005·Granted Apr 28, 2009·0 cites·15 claims
- 3454US7629733B2Display device having plurality of curved gas discharge tubesSHINODA PLASMA CO LTD·Filed 2007·Granted Dec 8, 2009·0 cites·4 claims
- 3554US6333142B1Master for barrier rib transfer mold, and method for forming barrier ribs of plasma display panel using the sameFUJITSU LTD·Filed 1999·Granted Dec 25, 2001·10 cites·11 claims
- 3654US2006175972A1Light-emitting discharge tube, method of fabricating the same, and protective film forming apparatusFUJITSU LTD·Filed 2006·Application pending·0 cites
- 3752US7656082B2Color display deviceSHINODA PLASMA CO LTD·Filed 2007·Granted Feb 2, 2010·0 cites·6 claims
- 3852US2010201249A1Plasma display panel and method for fabricating the sameHITACHI LTD·Filed 2010·Application pending·0 cites
- 3951US2015049061A1Input device and liquid crystal display apparatusPANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 4050US7880374B2Display device including gas discharge tubes sandwiched between a front support member and rear support membersSHINODA PLASMA CO LTD·Filed 2007·Granted Feb 1, 2011·0 cites·9 claims
- 4150US2008079365A1Plasma display panel and manufacturing method thereofFUJITSU HITACHI PLASMA DISPLAY·Filed 2007·Application pending·0 cites
- 4250US2015103278A1Liquid crystal display devicePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 4349US7282858B2Gas-discharge tube and display apparatusSHINODA PLASMA CORP·Filed 2004·Granted Oct 16, 2007·1 cites·10 claims
- 4449US2008007150A1Plasma tube arraySHINODA PLASMA CORP·Filed 2007·Application pending·0 cites
- 4549US2015153767A1Display devicePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 4649US2015103048A1Display devicePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 4748US7256538B2AC-driven gas discharge display device having plural thin discharge tubes, plural pairs of display electrodes transverse to the thin display tubes and plural signal electrodes transverse to the display electrodes with light-blocking, electrically conductive films between respective pairs of display electrodesSHINODA PLASMA CORP·Filed 2005·Granted Aug 14, 2007·0 cites·6 claims
- 4848US2015116247A1Input device and display devicePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 4948US2007007877A1Arc tube array type display device and driving method for the sameFUJITSU LTD·Filed 2006·Application pending·0 cites
- 5048US2015116266A1Input device and display devicePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →