Inventor · disambiguated record
Takahisa Nitta
Also filed as: MITSUSADA KAZUMICHI · NITTA TAKAHISA
41 granted patents·6 pending applications·1,417 citations·filing 1976–2007
98Inventor score
Top patents by PatentIndex Score
47 records- 0198US5105556AVapor washing process and apparatusHITACHI LTD·Filed 1988·Granted Apr 21, 1992·215 cites·38 claims
- 0294US6255731B1SOI bonding structureCANON KK·Filed 1998·Granted Jul 3, 2001·179 cites·58 claims
- 0392US6357385B1Plasma deviceOHMI TADAHIRO·Filed 1998·Granted Mar 19, 2002·124 cites·33 claims
- 0492US5060045ASemiconductor integrated circuit device and method of manufacturing the sameHITACHI LTD·Filed 1989·Granted Oct 22, 1991·80 cites·51 claims
- 0589US7312415B2Plasma method with high input powerFOUND ADVANCEMENT INT SCIENCE·Filed 2003·Granted Dec 25, 2007·40 cites·9 claims
- 0689US6610168B1Resist film removal apparatus and resist film removal methodSIPEC CORP·Filed 2000·Granted Aug 26, 2003·39 cites·3 claims
- 0788US6764212B1Chemical supply systemSIPEC CORP·Filed 1999·Granted Jul 20, 2004·70 cites·15 claims
- 0888US5858106ACleaning method for peeling and removing photoresistTADAHIRO OHMI·Filed 1997·Granted Jan 12, 1999·106 cites·25 claims
- 0981US5990060ACleaning liquid and cleaning methodOHMI TADAHIRO·Filed 1998·Granted Nov 23, 1999·46 cites·22 claims
- 1080US6733732B2Reactor for generating moistureFUJIKIN KK·Filed 2001·Granted May 11, 2004·21 cites·23 claims
- 1180US6503464B1Ultraviolet processing apparatus and ultraviolet processing methodSIPEC CORP·Filed 1999·Granted Jan 7, 2003·48 cites·8 claims
- 1280US6325081B1Washing apparatus and washing methodULTRACLEAN TECHNOLOGY RES INST·Filed 1997·Granted Dec 4, 2001·64 cites·14 claims
- 1380US6150851ACharge transfer amplifier circuit, voltage comparator, and sense amplifierOHMI TADAHIRO·Filed 1998·Granted Nov 21, 2000·44 cites·16 claims
- 1477US6533902B1Ultraviolet processing apparatus and ultraviolet processing methodSIPEC CORP·Filed 2001·Granted Mar 18, 2003·17 cites·7 claims
- 1577US6348157B1Cleaning methodOHMI TADAHIRO·Filed 1998·Granted Feb 19, 2002·54 cites·6 claims
- 1676US4111724AMethod of manufacturing oxide isolated semiconductor device utilizing selective etching techniqueHITACHI LTD·Filed 1976·Granted Sep 5, 1978·31 cites·5 claims
- 1769US6719875B1Plasma process apparatusOHMI TADAHIRO·Filed 1999·Granted Apr 13, 2004·22 cites·9 claims
- 1869US6612898B1Method for forming oxidation-passive layer, fluid-contacting part, and fluid feed/discharge systemTADAHIRO OHMI·Filed 1997·Granted Sep 2, 2003·30 cites·4 claims
- 1965US6039814ACleaning method utilizing degassed cleaning liquid with applied ultrasonicsTADAHIRO OHMI·Filed 1997·Granted Mar 21, 2000·19 cites·4 claims
- 2064US7195024B2Chemical supply systemSIPEC CORP·Filed 2004·Granted Mar 27, 2007·6 cites·1 claims
- 2162US6818320B2Welding method for welded members subjected to fluoride passivation treatment, fluoride passivation retreatment method, and welded partsOHMI TADAHIRO·Filed 2000·Granted Nov 16, 2004·6 cites·8 claims
- 2259US7296048B2Semiconductor circuit for arithmetic processing and arithmetic processing methodOHMI TADAHIRO·Filed 2003·Granted Nov 13, 2007·6 cites·2 claims
- 2355US5895509AAbrasive compositionULTRACLEAN TECHNOLOGY RESEARCH·Filed 1997·Granted Apr 20, 1999·19 cites·5 claims
- 2455US2008295871A1Chemical Supply SystemSIPEC CORP·Filed 2007·Application pending·0 cites
- 2554US6416586B1Cleaning methodOHMI TADAHIRO·Filed 1999·Granted Jul 9, 2002·21 cites·17 claims
- 2654US6258244B1Treating method and apparatus utilizing chemical reactionCANON KK·Filed 1998·Granted Jul 10, 2001·19 cites·42 claims
- 2754US2007127309A1Chemical supply systemSIPEC CORP·Filed 2006·Application pending·0 cites
- 2852US4718539AConveyor meansHITACHI LTD·Filed 1987·Granted Jan 12, 1988·20 cites·3 claims
- 2949US6704757B1Semiconductor arithmetic unitOHMI TADAHIRO·Filed 1999·Granted Mar 9, 2004·16 cites·20 claims
- 3047US6563072B1Welding technique for forming passive chromium oxide film in weld and gas feed system for weldingOHMI TADAHIRO·Filed 1998·Granted May 13, 2003·11 cites·16 claims
- 3145US6940034B2Long life welding electrode and its fixing structure, welding head, and welding methodULTRACLEAN TECHNOLOGY RES INST·Filed 2003·Granted Sep 6, 2005·1 cites·4 claims
- 3243US6456532B1Semiconductor memory deviceTADAHIRO OHMI·Filed 1999·Granted Sep 24, 2002·9 cites·17 claims
- 3342US8420974B2Long life welding electrode and its fixing structure, welding head, and welding methodOHMI TADAHIRO·Filed 2002·Granted Apr 16, 2013·0 cites·11 claims
- 3442US2004045579A1Surface purification apparatus and surface purification methodFiled 2003·Application pending·0 cites
- 3542US2004099284A1Resist film removal apparatus and resist film removal methodFiled 2003·Application pending·0 cites
- 3641US4088516AMethod of manufacturing a semiconductor deviceHITACHI LTD·Filed 1976·Granted May 9, 1978·9 cites·19 claims
- 3740US2003152495A1Gas recovering apparatus, vacuum exhausting method, and vacuum exhausting apparatusFiled 2002·Application pending·0 cites
- 3839US2002164883A1Plasma deviceFiled 2002·Application pending·0 cites
- 3938US4219369AMethod of making semiconductor integrated circuit deviceHITACHI LTD·Filed 1978·Granted Aug 26, 1980·6 cites·12 claims
- 4037US6962283B2Welding method for fluorine-passivated member for welding, fluorine-passivated method after being weld, and welded parts priority dataSTELLA CHEMIFA KABUSHIKI·Filed 2004·Granted Nov 8, 2005·0 cites·9 claims
- 4137US6462298B1Long life welding electrode and its fixing structure, welding head and welding methodFUJIKIN KK·Filed 1998·Granted Oct 8, 2002·6 cites·7 claims
- 4235US6630031B1Surface purification apparatus and surface purification methodSIPEC CORP·Filed 1999·Granted Oct 7, 2003·4 cites·7 claims
- 4334US6220500B1Welding method for fluorine-passivated member for welding, fluorine-passivation method after being weld, and welded partsOHMI TADAHIRO·Filed 1998·Granted Apr 24, 2001·2 cites·9 claims
- 4432US6436353B1Gas recovering apparatusOHMI TADAHIRO·Filed 1998·Granted Aug 20, 2002·3 cites·7 claims
- 4532US6129098AApparatus for injecting constant quantitative chemicals and a method thereofULTRACLEAN TECHNOLOGY RESEARCH·Filed 1998·Granted Oct 10, 2000·4 cites·2 claims
- 4628US6728745B1Semiconductor circuit for arithmetic operation and method of arithmetic operationOHMI TADAHIRO·Filed 1998·Granted Apr 27, 2004·0 cites·16 claims
- 4726US6199092B1Semiconductor arithmetic circuitOHMI TADAHIRO·Filed 1998·Granted Mar 6, 2001·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Takahisa Nitta files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →