Inventor · disambiguated record
Yoshifumi Tomita
Also filed as: TOMITA YOSHIFUMI
43 granted patents·1,592 citations·filing 1973–2018
98Inventor score
Top patents by PatentIndex Score
43 records- 0198US4396705APattern forming method and pattern forming apparatus using exposures in a liquidHITACHI LTD·Filed 1981·Granted Aug 2, 1983·704 cites·14 claims
- 0296USD803112SFront bumper for an automobileFUJI HEAVY IND LTD·Filed 2016·Granted Nov 21, 2017·75 cites·1 claims
- 0396US5742118AUltrafine particle film, process for producing the same, transparent plate and image display plateHITACHI LTD·Filed 1994·Granted Apr 21, 1998·125 cites·15 claims
- 0493US5831701ALiquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrixHITACHI LTD·Filed 1996·Granted Nov 3, 1998·127 cites·12 claims
- 0593US4273842AProcess for forming patternwise coated powder layerHITACHI LTD·Filed 1978·Granted Jun 16, 1981·36 cites·42 claims
- 0689USD805005SAutomobile front grilleFUJI HEAVY IND LTD·Filed 2016·Granted Dec 12, 2017·34 cites·1 claims
- 0788US6040887ALiquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrixHITACHI LTD·Filed 1998·Granted Mar 21, 2000·88 cites·22 claims
- 0885US4779451ASystem for measuring foreign materials in liquidHITACHI LTD·Filed 1987·Granted Oct 25, 1988·60 cites·6 claims
- 0984US6853416B2Liquid crystal display deviceHITACHI LTD·Filed 2001·Granted Feb 8, 2005·20 cites·5 claims
- 1082US4542038AMethod of manufacturing cathode-ray tubeHITACHI LTD·Filed 1984·Granted Sep 17, 1985·25 cites·6 claims
- 1179USD801859SPassenger carFUJI HEAVY IND LTD·Filed 2016·Granted Nov 7, 2017·19 cites·1 claims
- 1271USD874343SPassenger carSUBARU CORP·Filed 2018·Granted Feb 4, 2020·12 cites·1 claims
- 1369US4815821AFace plate for displayHITACHI LTD·Filed 1987·Granted Mar 28, 1989·14 cites·16 claims
- 1469US4019905AMethod for forming fluorescent screen of color cathode ray tubes using filter layerHITACHI LTD·Filed 1975·Granted Apr 26, 1977·20 cites·16 claims
- 1568US5689318AColor liquid crystal display device composed of color filter with a layer of three primary color array patterns fabricated by thermal dye transfer technologyHITACHI LTD·Filed 1995·Granted Nov 18, 1997·38 cites·6 claims
- 1665US4267204AMethod of manufacturing striped phosphor screen for black matrix type color picture tubeHITACHI LTD·Filed 1978·Granted May 12, 1981·10 cites·6 claims
- 1765US4205255AColor cathode ray tube with reflective layers having apices centered between matrix windowsHITACHI LTD·Filed 1978·Granted May 27, 1980·10 cites·4 claims
- 1862US4276363AProcess for forming phosphor screens with treated phosphorsHITACHI LTD·Filed 1979·Granted Jun 30, 1981·9 cites·22 claims
- 1961USD797604SPassenger carFUJI HEAVY IND LTD·Filed 2016·Granted Sep 19, 2017·9 cites·1 claims
- 2061US4760310ACathode-ray tubes and coating materials thereforHITACHI POWDERED METALS·Filed 1986·Granted Jul 26, 1988·12 cites·3 claims
- 2161US4086090AFormation of pattern using acrylamide-diacetoneacrylamide copolymerHITACHI LTD·Filed 1975·Granted Apr 25, 1978·14 cites·25 claims
- 2258US5449534AMethod for forming an anti-reflection film of a cathode-ray tube, an apparatus used for carrying out the method and a cathode-ray tube having the anti-reflection filmHITACHI LTD·Filed 1992·Granted Sep 12, 1995·18 cites·34 claims
- 2357US4537851AProcess of forming powder pattern using positive diazonium salt photoresistHITACHI LTD·Filed 1983·Granted Aug 27, 1985·13 cites·44 claims
- 2457US4324850AMethod of forming a fluorescent screen for a color picture tubeHITACHI LTD·Filed 1980·Granted Apr 13, 1982·9 cites·8 claims
- 2555US4612268AMethod of forming phosphor pattern on fluorescent screen for color picture tubes with polymer coagulentHITACHI LTD·Filed 1985·Granted Sep 16, 1986·9 cites·20 claims
- 2653US4254197AProcess of forming photoresist layer on a glass substrateHITACHI LTD·Filed 1978·Granted Mar 3, 1981·9 cites·7 claims
- 2753US4099973APhoto-sensitive bis-azide containing compositionHITACHI LTD·Filed 1976·Granted Jul 11, 1978·10 cites·7 claims
- 2850US4855200AFluorescent screens of color picture tubes and manufacturing method thereforHITACHI LTD·Filed 1987·Granted Aug 8, 1989·7 cites·6 claims
- 2949US5817421AMethod for forming and anti-reflection film of a cathode-ray tube, an apparatus used for carrying out the method and a cathode-ray tube having the anti-reflection filmHITACHI LTD·Filed 1995·Granted Oct 6, 1998·7 cites·20 claims
- 3047US4331752AMethod of forming fluorescent screens of color picture tubesHITACHI LTD·Filed 1980·Granted May 25, 1982·5 cites·2 claims
- 3145US3967985AProcess for treating surfaces of a perforated maskHITACHI LTD·Filed 1973·Granted Jul 6, 1976·4 cites·13 claims
- 3244US4681824AMethod of manufacturing fluorescent screens of color picture tubesHITACHI LTD·Filed 1982·Granted Jul 21, 1987·4 cites·5 claims
- 3343US4482842ACurved tube type ultra high pressure mercury arc discharge lamp deviceHITACHI LTD·Filed 1981·Granted Nov 13, 1984·9 cites·10 claims
- 3443US4469766AMethod of forming cathode-ray tube phosphor screenHITACHI LTD·Filed 1982·Granted Sep 4, 1984·4 cites·2 claims
- 3541USD797605SPassenger carFUJI HEAVY IND LTD·Filed 2016·Granted Sep 19, 2017·3 cites·1 claims
- 3636US4890481ASystem for measuring foreign materials in liquidHITACHI LTD·Filed 1988·Granted Jan 2, 1990·6 cites·3 claims
- 3736US4425419APhotosensitive compositionHITACHI LTD·Filed 1981·Granted Jan 10, 1984·2 cites·4 claims
- 3834US4857429AProcess of improving optical contact of patternwise powdery coating layer and phosphor screen provided thereforeHITACHI LTD·Filed 1986·Granted Aug 15, 1989·2 cites·6 claims
- 3934US4352878APhotoresist compositionHITACHI LTD·Filed 1980·Granted Oct 5, 1982·3 cites·13 claims
- 4033US4391885AMethod of manufacturing fluorescent screens of cathode ray tubesHITACHI LTD·Filed 1982·Granted Jul 5, 1983·5 cites·7 claims
- 4130US4735880APhotosensitive composition and pattern forming process using sameHITACHI LTD·Filed 1986·Granted Apr 5, 1988·1 cites·3 claims
- 4230US4263384AMethod of forming fluorescent screens of color picture tubesHITACHI LTD·Filed 1979·Granted Apr 21, 1981·1 cites·3 claims
- 4329US4625147AIndex type color picture tubeHITACHI LTD·Filed 1984·Granted Nov 25, 1986·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →