Inventor · disambiguated record
Akira Kawakatsu
Also filed as: KAWAKATSU AKIRA
20 granted patents·1 pending application·399 citations·filing 1983–2009
96Inventor score
Files withTOSHIBA KK8OKI ELECTRIC IND CO LTD5TOSHIBA LIGHTING & TECHNOLOGY5JAPAN TOBACCO & SALT PUBLIC1TOKYO SHIBAURA ELECTRIC CO1
Top patents by PatentIndex Score
21 records- 0189US5000528AScratch resistant optical interference filmTOSHIBA KK·Filed 1988·Granted Mar 19, 1991·69 cites·14 claims
- 0276US4701663ALamp having interference filmTOSHIBA KK·Filed 1985·Granted Oct 20, 1987·40 cites·8 claims
- 0371US4524410AIncandescent lamp with film of alternately stacked layersTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Jun 18, 1985·21 cites·4 claims
- 0469US4721877ALight diffusive coating and a lamp having the coatingTOSHIBA KK·Filed 1985·Granted Jan 26, 1988·24 cites·4 claims
- 0568US4652789AIncandescent lamp with bulb having IR reflecting filmTOSHIBA KK·Filed 1985·Granted Mar 24, 1987·25 cites·4 claims
- 0667US4983001AOptical interference film having high and low refractive index layers inter-layer connection of which is strengthenedTOSHIBA KK·Filed 1988·Granted Jan 8, 1991·28 cites·10 claims
- 0763US6242862B1Photocatalyzer and lamp or lighting fixture having a photocatalyzerTOSHIBA LIGHTING & TECHNOLOGY·Filed 1998·Granted Jun 5, 2001·23 cites·5 claims
- 0859US4582565AMethod of manufacturing integrated semiconductor circuit devicesOKI ELECTRIC IND CO LTD·Filed 1984·Granted Apr 15, 1986·21 cites·16 claims
- 0958US4873200AMethod of fabricating a bipolar transistorOKI ELECTRIC IND CO LTD·Filed 1988·Granted Oct 10, 1989·17 cites·9 claims
- 1057US4731341AMethod of fabricating bipolar semiconductor integrated circuit deviceOKI ELECTRIC IND CO LTD·Filed 1986·Granted Mar 15, 1988·23 cites·6 claims
- 1156US4850661AReflection mirror for reflecting visible rays and for transmitting infrared rays from light sourceTOSHIBA KK·Filed 1988·Granted Jul 25, 1989·17 cites·13 claims
- 1255US4998038APitted light diffusive coating, a method of forming the coating and a lamp having the coatingTOSHIBA KK·Filed 1988·Granted Mar 5, 1991·8 cites·6 claims
- 1352US2009267480A1High-pressure discharge lamp and lighting equipmentTOSHIBA LIGHTING & TECHNOLOGY·Filed 2009·Application pending·0 cites
- 1448US4735912AProcess of fabricating a semiconductor IC deviceOKI ELECTRIC IND CO LTD·Filed 1987·Granted Apr 5, 1988·16 cites·15 claims
- 1547US5146130AIncandescent lamp having good color rendering properties at a high color temperatureTOSHIBA LIGHTING & TECHNOLOGY·Filed 1990·Granted Sep 8, 1992·13 cites·5 claims
- 1647US5113109AOptical interference film and lamp having the sameTOSHIBA LIGHTING & TECHNOLOGY·Filed 1990·Granted May 12, 1992·12 cites·7 claims
- 1746US4946798ASemiconductor integrated circuit fabrication methodOKI ELECTRIC IND CO LTD·Filed 1989·Granted Aug 7, 1990·14 cites·42 claims
- 1838US5719468AIncandescent lampTOSHIBA LIGHTING TECHNOLOGY CO·Filed 1996·Granted Feb 17, 1998·12 cites·37 claims
- 1935US4566471ACutting apparatusJAPAN TOBACCO & SALT PUBLIC·Filed 1983·Granted Jan 28, 1986·7 cites·10 claims
- 2034US5142197ALight interference film and lampTOSHIBA LIGHTING & TECHNOLOGY·Filed 1991·Granted Aug 25, 1992·6 cites·2 claims
- 2129US4869927ALight diffusive coating, a method of forming the coating and a lamp having the coatingTOSHIBA KK·Filed 1987·Granted Sep 26, 1989·3 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →