Inventor · disambiguated record
Kazuaki Watanabe
Also filed as: WATANABE KAZUAKI
74 granted patents·33 pending applications·1,856 citations·filing 1976–2025
99Inventor score
Top patents by PatentIndex Score
107 records- 0199US6485138B1Ink jet recording ink and recording methodSEIKO EPSON CORP·Filed 1999·Granted Nov 26, 2002·236 cites·9 claims
- 0299US6232370B1Ink jet recording inkSEIKO EPSON CORP·Filed 1997·Granted May 15, 2001·209 cites·17 claims
- 0399US5948512AInk jet recording ink and recording methodSEIKO EPSON CORP·Filed 1997·Granted Sep 7, 1999·249 cites·13 claims
- 0498US6419733B1Ink compositionSEIKO EPSON CORP·Filed 2000·Granted Jul 16, 2002·87 cites·21 claims
- 0596US6084619AInk jet recording methodSEIKO EPSON CORP·Filed 1996·Granted Jul 4, 2000·117 cites·31 claims
- 0695US7614305B2Ultrasonic sensorDENSO CORP·Filed 2008·Granted Nov 10, 2009·38 cites·19 claims
- 0795US6877851B2Ink set for ink jet recording, ink jet recording process, and recorded matterSEIKO EPSON CORP·Filed 2003·Granted Apr 12, 2005·47 cites·24 claims
- 0895US4129050AGear means of an automatic transmission for automobilesTOYOTA MOTOR CO LTD·Filed 1977·Granted Dec 12, 1978·54 cites·6 claims
- 0994US10920871B2Lubricating fluid supply structure of power transmission deviceHONDA MOTOR CO LTD·Filed 2018·Granted Feb 16, 2021·8 cites·12 claims
- 1094US6877850B2Ink jet recording method, ink set, and recorded matter using themSEIKO EPSON CORP·Filed 2002·Granted Apr 12, 2005·54 cites·19 claims
- 1191US4922765ALubricating structure for transmission mechanismAISIN WARNER·Filed 1988·Granted May 8, 1990·65 cites·8 claims
- 1289US6514330B1Ink composition containing copper complex colorantSEIKO EPSON CORP·Filed 2000·Granted Feb 4, 2003·34 cites·19 claims
- 1389US6491748B2Aqueous pigment ink sets for color inkjet recording, color inkjet recording method, and color inkjet recorded matterSEIKO EPSON CORP·Filed 2001·Granted Dec 10, 2002·30 cites·22 claims
- 1488US6286953B1Ink jet recording methodSEIKO EPSON CORP·Filed 2000·Granted Sep 11, 2001·28 cites·8 claims
- 1587US7208736B2Infrared sensor device and its manufacturing methodDENSO CORP·Filed 2005·Granted Apr 24, 2007·16 cites·5 claims
- 1686US12012207B2Inspection device, inspection method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 18, 2024·4 cites·20 claims
- 1785US10932025B2Speaker devicePIONEER CORP·Filed 2019·Granted Feb 23, 2021·2 cites·6 claims
- 1884US6080229AReaction solution for ink jet recording method using two liquidsSEIKO EPSON CORP·Filed 1997·Granted Jun 27, 2000·50 cites·20 claims
- 1982US12259037B2Lubrication structure of power transmission deviceHONDA MOTOR CO LTD·Filed 2023·Granted Mar 25, 2025·1 cites·20 claims
- 2082US7612485B2Ultrasonic sensorDENSO CORP·Filed 2007·Granted Nov 3, 2009·16 cites·12 claims
- 2181US7513158B2Ultrasonic sensor for use in automotive vehicleDENSO CORP·Filed 2007·Granted Apr 7, 2009·11 cites·12 claims
- 2281US4724745AHydraulic servo drum for friction clutchAISIN WARNER·Filed 1985·Granted Feb 16, 1988·25 cites·2 claims
- 2381US4693348ADirect coupling clutch with an integral damper device for a fluid couplingAISIN WARNER·Filed 1986·Granted Sep 15, 1987·31 cites·2 claims
- 2480US4693353ASupport for transmission shaft and hydraulic servo drumAISIN WARNER·Filed 1985·Granted Sep 15, 1987·20 cites·2 claims
- 2580US4679450AControl system for selectively switchable two/four wheel drive automatic transmission system shifting transfer transmission according to main transmission speed stageAISIN WARNER·Filed 1985·Granted Jul 14, 1987·30 cites·4 claims
- 2680US4469206AHydraulically-operated frictional engagement deviceAISIN WARNER·Filed 1982·Granted Sep 4, 1984·32 cites·3 claims
- 2779US7427641B2Ink compositionSEIKO EPSON CORP·Filed 2002·Granted Sep 23, 2008·15 cites·15 claims
- 2878US7775110B2Ultrasonic sensorDENSO CORP·Filed 2007·Granted Aug 17, 2010·10 cites·32 claims
- 2978US5690723AInk composition suitable for ink jet recordingSEIKO EPSON CORP·Filed 1996·Granted Nov 25, 1997·38 cites·15 claims
- 3075US7201794B2Ink compositionSEIKO EPSON CORP·Filed 2004·Granted Apr 10, 2007·8 cites·12 claims
- 3174US8638976B2Speaker deviceWATANABE KAZUAKI·Filed 2007·Granted Jan 28, 2014·5 cites·9 claims
- 3274US7622849B2Ultrasonic sensor having vibrator mounted on substrateDENSO CORP·Filed 2007·Granted Nov 24, 2009·7 cites·11 claims
- 3372US11617032B2Speaker devicePIONEER CORP·Filed 2021·Granted Mar 28, 2023·0 cites·9 claims
- 3471US7699921B2Ink composition for ink jet printerSEIKO EPSON CORP·Filed 2008·Granted Apr 20, 2010·1 cites·5 claims
- 3569US4455890AOverdrive device for automatic transmissionsTOYOTA MOTOR CO LTD·Filed 1980·Granted Jun 26, 1984·20 cites·12 claims
- 3668US7040240B2Ash fusing system, method of operating the system, and gasification fusing system for wasteEBARA CORP·Filed 2003·Granted May 9, 2006·6 cites·14 claims
- 3767US4726262AAutomatic transmission with overdrive inhibitorAISIN WARNER·Filed 1985·Granted Feb 23, 1988·19 cites·16 claims
- 3866US12216014B2Deformation measuring device and deformation measuring methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Feb 4, 2025·0 cites·15 claims
- 3966US8690720B2Hydraulic control device for automatic transmissionTAKEI HIROSHI·Filed 2010·Granted Apr 8, 2014·3 cites·11 claims
- 4066US6818054B2Processes for producing pigment dispersion and ink compositionSEIKO EPSON CORP·Filed 2003·Granted Nov 16, 2004·10 cites·23 claims
- 4166US4716998ADirect coupling clutch with a damper device for a fluid couplingAISIN WARNER·Filed 1986·Granted Jan 5, 1988·19 cites·3 claims
- 4265US4714146AFriction coupling element of automatic transmissionAISIN WARNER·Filed 1985·Granted Dec 22, 1987·16 cites·5 claims
- 4365US4441385ATransmission control system with positive lockup clutch disengaging systemTOYOTA MOTOR CO LTD·Filed 1981·Granted Apr 10, 1984·19 cites·2 claims
- 4463US7638931B2Resin substrate and ultrasonic sensor using the sameDENSO CORP·Filed 2007·Granted Dec 29, 2009·2 cites·10 claims
- 4563US7525092B2Infrared sensor having thermo coupleDENSO CORP·Filed 2006·Granted Apr 28, 2009·3 cites·12 claims
- 4663US6806300B2Water-based ink composition for ink-jet printing, ink-jet printing method using the same and printed matterMIKUNI COLOR WORKS·Filed 2001·Granted Oct 19, 2004·6 cites·11 claims
- 4763US4736653APower transmissionAISIN WARNER·Filed 1985·Granted Apr 12, 1988·18 cites·3 claims
- 4862US6247804B1Ink jet recording apparatus with tank for reaction solution and method for producing the tankSEIKO EPSON CORP·Filed 1998·Granted Jun 19, 2001·19 cites·19 claims
- 4960US2007282033A1Ink compositionSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 5058US7844694B2Communication system, relay apparatus, relay method and computer readable mediumFUJI XEROX CO LTD·Filed 2008·Granted Nov 30, 2010·1 cites·14 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kazuaki Watanabe 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 →