Inventor · disambiguated record
Keiji Fujita
Also filed as: FUJITA KEIJI
12 granted patents·3 pending applications·118 citations·filing 1976–2013
89Inventor score
Files withTOSHIBA KK6FUJITA KEIJI1IDEMITSU KOSAN CO1KURASHIKI BOSEKI KK1MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1
Top patents by PatentIndex Score
15 records- 0190US6344420B1Plasma processing method and plasma processing apparatusTOSHIBA KK·Filed 2000·Granted Feb 5, 2002·44 cites·11 claims
- 0273US6087539AProcess for producing an ether compoundIDEMITSU KOSAN CO·Filed 1996·Granted Jul 11, 2000·18 cites·16 claims
- 0365US5420041AMethod of acid value determination by infrared absorptionKURASHIKI BOSEKI KK·Filed 1993·Granted May 30, 1995·29 cites·4 claims
- 0457US7094681B2Semiconductor device fabrication methodTOSHIBA KK·Filed 2003·Granted Aug 22, 2006·5 cites·16 claims
- 0550US7129175B2Method of manufacturing semiconductor deviceSONY CORP·Filed 2003·Granted Oct 31, 2006·2 cites·20 claims
- 0647US2009156002A1Manufacturing method for semiconductor device and manufacturing apparatus for semiconductor deviceFUJITA KEIJI·Filed 2008·Application pending·0 cites
- 0746US7933189B2Focus optical system and optical disc master exposure apparatusPANASONIC CORP·Filed 2009·Granted Apr 26, 2011·0 cites·4 claims
- 0846US7462569B2Method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2006·Granted Dec 9, 2008·0 cites·20 claims
- 0945US5748288ALighting assembly, exposure apparatus and exposure method employing the lighting assemblyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 5, 1998·9 cites·21 claims
- 1042US7534717B2Method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2005·Granted May 19, 2009·0 cites·1 claims
- 1140US9269540B2Ion implantation apparatus and method of determining state of ion implantation apparatusTOSHIBA KK·Filed 2013·Granted Feb 23, 2016·0 cites·10 claims
- 1237US2012202346A1Method for manufacturing a semiconductor deviceSAKANAKA TOSHINOBU·Filed 2012·Application pending·0 cites
- 1337US2010203806A1Semiconductor manufacturing apparatusTOSHIBA KK·Filed 2010·Application pending·0 cites
- 1431US4067827AProcess for producing expandable beads of polymethyl methacrylateTAKANO YOSHINARI·Filed 1976·Granted Jan 10, 1978·7 cites·9 claims
- 1525US5355814AGasifier burner for powdered solid fuels and method for using the sameSUMITOMO METAL MINING CO·Filed 1993·Granted Oct 18, 1994·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →