Inventor · disambiguated record
Tsutomu Kawai
Also filed as: KAWAI TSUTOMU
48 granted patents·10 pending applications·923 citations·filing 1980–2022
98Inventor score
Top patents by PatentIndex Score
58 records- 0196US6209827B1Clamp deviceKITAGAWA IND CO LTD·Filed 1999·Granted Apr 3, 2001·108 cites·6 claims
- 0294US6164603ABase mounting structureKITAGAWA IND CO LTD·Filed 1998·Granted Dec 26, 2000·85 cites·4 claims
- 0392US5258371AMethod to reduce connective tissue destructionKURARAY CO·Filed 1992·Granted Nov 2, 1993·144 cites·5 claims
- 0491US11608263B2Fluid loading joint and fluid loading equipmentKAWASAKI HEAVY IND LTD·Filed 2018·Granted Mar 21, 2023·7 cites·4 claims
- 0588US5373936AStorage containerCANON KK·Filed 1993·Granted Dec 20, 1994·66 cites·9 claims
- 0687US11079051B2Emergency detachment mechanism for fluid handling deviceTOKYO BOEKI ENG LTD·Filed 2018·Granted Aug 3, 2021·5 cites·4 claims
- 0786US6926392B2Liquid ejection headCANON KK·Filed 2003·Granted Aug 9, 2005·28 cites·12 claims
- 0884US6550882B2Ink jet printing apparatusCANON KK·Filed 2001·Granted Apr 22, 2003·22 cites·11 claims
- 0984US4343024ADevice for detecting tape end of magnetic recording apparatusKAWAI TSUTOMU·Filed 1980·Granted Aug 3, 1982·31 cites·4 claims
- 1083US6538197B1Conductive memberKITIGAWA IND CO LTD·Filed 2002·Granted Mar 25, 2003·29 cites·20 claims
- 1182US5032680A2'-deoxy-5-fluorouridine derivativesKURARAY CO·Filed 1989·Granted Jul 16, 1991·32 cites·7 claims
- 1280US11815212B2Emergency release mechanism for fluid loading equipmentKAWASAKI HEAVY IND LTD·Filed 2019·Granted Nov 14, 2023·3 cites·4 claims
- 1379US5606354ARecovery mechanism for adjustable ink jet headCANON KK·Filed 1994·Granted Feb 25, 1997·37 cites·12 claims
- 1475US6945628B2Ink jet printing apparatusCANON KK·Filed 2002·Granted Sep 20, 2005·13 cites·22 claims
- 1575US5892523AReading unit and printing apparatus capable of mounting such reading unit thereonCANON KK·Filed 1996·Granted Apr 6, 1999·48 cites·31 claims
- 1674US6502922B2Moving up and down apparatus of print head, printing apparatusCANON KK·Filed 2001·Granted Jan 7, 2003·15 cites·19 claims
- 1774US5621450AContainer for receiving ink jet cartridge for an ink jet recording apparatusCANON KK·Filed 1995·Granted Apr 15, 1997·32 cites·8 claims
- 1873US6986669B2Electrically conductive contact member for a printed circuit boardKITAGAWA IND CO LTD·Filed 2004·Granted Jan 17, 2006·20 cites·17 claims
- 1972US5946523APrinting apparatusFUJITSU LTD·Filed 1998·Granted Aug 31, 1999·24 cites·13 claims
- 2068US8338781B2Charged particle beam scanning method and charged particle beam apparatusSASAKI YUKO·Filed 2011·Granted Dec 25, 2012·2 cites·7 claims
- 2167US10260570B2Friction plate and wet-type multiple-disc clutch with friction plateNSK WARNER KK·Filed 2014·Granted Apr 16, 2019·2 cites·16 claims
- 2265US7935925B2Charged particle beam scanning method and charged particle beam apparatusHITACHI HIGH TECH CORP·Filed 2007·Granted May 3, 2011·1 cites·6 claims
- 2363US5880852AReading unit and recording apparatus on which the reading unit is mountableCANON KK·Filed 1997·Granted Mar 9, 1999·25 cites·23 claims
- 2462US5980132AImage forming apparatus with means for maintaining constant distance between recording head and recording sheetCANON KK·Filed 1997·Granted Nov 9, 1999·20 cites·14 claims
- 2561US6615582B2Rotator supportable at side surface thereof by needle bearingNSK WARNER KK·Filed 2001·Granted Sep 9, 2003·8 cites·8 claims
- 2661US5903401AReading unit and recording apparatus capable of mounting such reading unit thereonCANON KK·Filed 1996·Granted May 11, 1999·19 cites·43 claims
- 2758US6833099B2Polyvinyl alcohol film and polarization filmKURARAY CO·Filed 2001·Granted Dec 21, 2004·6 cites·5 claims
- 2852US4353101AVideo tape recorderFUNAI ELECTRIC CO·Filed 1980·Granted Oct 5, 1982·7 cites·22 claims
- 2952US2010057935A1Record medium with a load distribution program recorded thereon, load distribution method, and load distribution apparatusFUJITSU LTD·Filed 2009·Application pending·0 cites
- 3051US5617192AMulticolor electrostatic recording apparatus and electrostatic latent image recording apparatus used thereforFUJITSU LTD·Filed 1995·Granted Apr 1, 1997·11 cites·22 claims
- 3150US6021286AImage forming apparatusFUJITSU LTD·Filed 1998·Granted Feb 1, 2000·10 cites·22 claims
- 3250US2009319405A1Auditing system and auditing methodFUJITSU LTD·Filed 2009·Application pending·0 cites
- 3349US9229742B2Registration of electronic device to serverFUJITA TAKESHI·Filed 2009·Granted Jan 5, 2016·0 cites·6 claims
- 3448US6137504AWiping and recovery of an ink jet head with inclined discharge port surfaceCANON KK·Filed 1997·Granted Oct 24, 2000·11 cites·14 claims
- 3548US6120128AContainer for safekeeping ink cartridgeCANON KK·Filed 1999·Granted Sep 19, 2000·8 cites·3 claims
- 3647US11608923B2Fluid loading jointKAWASAKI HEAVY IND LTD·Filed 2018·Granted Mar 21, 2023·0 cites·4 claims
- 3747US6043866ACarrier sheet and original reading apparatusCANON KK·Filed 1997·Granted Mar 28, 2000·12 cites·10 claims
- 3847US5987280ADeveloping device for electrostatic latent imageFUJITSU LTD·Filed 1995·Granted Nov 16, 1999·9 cites·18 claims
- 3946USD272620STape cassetteFUNAI ELECTRIC CO·Filed 1980·Granted Feb 14, 1984·3 cites·1 claims
- 4046US4410920AUnitary mounting means for the tape handling components of a VTRFUNAI ELECTRIC TRADING CO·Filed 1980·Granted Oct 18, 1983·7 cites·6 claims
- 4146US2006271700A1Record medium with a load distribution program recorded thereon, load distribution method, and load distribution apparatusFUJITSU LTD·Filed 2005·Application pending·0 cites
- 4244US9562575B2Ratchet type one-way clutchNSK-WARNER K K·Filed 2015·Granted Feb 7, 2017·0 cites·4 claims
- 4344USD263583SVideo tape recorderFUNAI ELECTRIC TRADING CO INC·Filed 1980·Granted Mar 30, 1982·4 cites·1 claims
- 4443US10724688B2Emergency release system for liquefied hydrogenKAWASAKI HEAVY IND LTD·Filed 2016·Granted Jul 28, 2020·0 cites·9 claims
- 4543US6062683AContainer for safekeeping ink cartridgeCANON KK·Filed 1997·Granted May 16, 2000·6 cites·3 claims
- 4642US9600271B2System, method, and computer-readable mediumFUJITSU LTD·Filed 2015·Granted Mar 21, 2017·0 cites·11 claims
- 4742US2013258901A1Communication interface apparatus, computer-readable recording medium for recording communication interface program, and virtual network constructing methodFUJITSU LTD·Filed 2013·Application pending·0 cites
- 4841US2010181160A1One-way clutch of sprag typeSUZUKI YUKIYOSHI·Filed 2007·Application pending·0 cites
- 4940US9850964B2Ratchet type one-way clutch and arrangement of pawl member thereinNSK-WARNER K K·Filed 2015·Granted Dec 26, 2017·0 cites·7 claims
- 5039US12467571B2Emergency release mechanism of fluid loading equipmentKAWASAKI HEAVY IND LTD·Filed 2022·Granted Nov 11, 2025·0 cites·1 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →