Inventor · disambiguated record
Katsumi Ukai
Also filed as: UKAI KATSUMI
7 granted patents·2 pending applications·511 citations·filing 1980–2005
87Inventor score
Top patents by PatentIndex Score
9 records- 0196US4816638AVacuum processing apparatusANELVA CORP·Filed 1987·Granted Mar 28, 1989·335 cites·6 claims
- 0293US4950956APlasma processing apparatusANELVA CORP·Filed 1987·Granted Aug 21, 1990·71 cites·11 claims
- 0386US4482419ADry etching apparatus comprising etching chambers of different etching rate distributionsANELVA CORP·Filed 1984·Granted Nov 13, 1984·71 cites·8 claims
- 0477US4405989ASpectral monitoring device for both plasma etching and sputteringANELVA CORP·Filed 1981·Granted Sep 20, 1983·20 cites·7 claims
- 0558US4376692ADry etching device comprising a member for bringing a specimen into electrical contact with a grounded electrodeANELVA CORP·Filed 1980·Granted Mar 15, 1983·14 cites·4 claims
- 0649US7521562B2Filters for electronic display devicesKYOWA HAKKO CHEMICAL CO LTD·Filed 2005·Granted Apr 21, 2009·0 cites·4 claims
- 0742US7687633B2Filters for electronic display devicesKYOWA HAKKO CHEMICAL CO LTD·Filed 2004·Granted Mar 30, 2010·0 cites·4 claims
- 0838US2009074373A1Optical filterKYOWA HAKKO CHEMICAL CO LTD·Filed 2005·Application pending·0 cites
- 0929US2007212622A1Filters for electronic display devicesKYOWA HAKKO CHEMICAL CO LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →