Inventor · disambiguated record
Akira Watanabe
Also filed as: KUSAKA YUKIO · WATANABE AKIRA
254 granted patents·72 pending applications·5,184 citations·filing 1973–2025
99Inventor score
Top patents by PatentIndex Score
326 records- 0199US4026632AFrequency selective interwaveguide couplerCANADIAN PATENTS DEV·Filed 1976·Granted May 31, 1977·279 cites·7 claims
- 0296US7690881B2Substrate-processing apparatus with buffer mechanism and substrate-transferring apparatusASM JAPAN·Filed 2006·Granted Apr 6, 2010·523 cites·15 claims
- 0394US8012573B2Fiber compositeMITSUBISHI CHEM CORP·Filed 2008·Granted Sep 6, 2011·44 cites·18 claims
- 0494USD301849SFour wheel vehicleOBA YASUHIRO·Filed 1986·Granted Jun 27, 1989·47 cites·1 claims
- 0592US10024448B2Flat spring for solenoid valve and solenoid valve using the sameKOGANEI LTD·Filed 2015·Granted Jul 17, 2018·7 cites·3 claims
- 0692USD597116SDigital cameraHOYA CORP·Filed 2008·Granted Jul 28, 2009·50 cites·1 claims
- 0792USD523057SConversion lens for single-lens reflex cameraPENTAX CORP·Filed 2005·Granted Jun 13, 2006·50 cites·1 claims
- 0892US5177536ADeveloping apparatus having a magnetic sealCANON KK·Filed 1990·Granted Jan 5, 1993·50 cites·42 claims
- 0992US4508443ALens barrelOLYMPUS OPTICAL CO·Filed 1983·Granted Apr 2, 1985·99 cites·15 claims
- 1091US12231036B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Feb 18, 2025·2 cites·7 claims
- 1191US11056617B2Manufacturing method of light-emitting device having a recess defined by a base and lateral surfaces of a first and a second wallNICHIA CORP·Filed 2019·Granted Jul 6, 2021·2 cites·19 claims
- 1291US9250546B2Member for electrophotography, process cartridge, and electrophotographic apparatusCANON KK·Filed 2014·Granted Feb 2, 2016·7 cites·9 claims
- 1391USD425088SLens for single-lens reflex cameraASAHI OPTICAL CO LTD·Filed 1999·Granted May 16, 2000·40 cites·1 claims
- 1491US5935043ALockup control apparatus of torque converterNISSAN MOTOR·Filed 1998·Granted Aug 10, 1999·48 cites·12 claims
- 1591US5420644AColor smear correcting apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted May 30, 1995·115 cites·13 claims
- 1691US5314762APortable power sourceSANYO ELECTRIC CO·Filed 1992·Granted May 24, 1994·109 cites·19 claims
- 1791US5267007AMagnetic seal for preventing developer from leaking out of the longitudinal ends of a rotatable memberCANON KK·Filed 1990·Granted Nov 30, 1993·44 cites·19 claims
- 1891US4847610AMethod of restoring transmission lineMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jul 11, 1989·153 cites·4 claims
- 1990US11732818B2Electromagnetic valve, valve device, fluid control device, and electromagnetic valve replacement methodFUJIKIN KK·Filed 2021·Granted Aug 22, 2023·2 cites·7 claims
- 2090US11142887B2Hybrid working machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Oct 12, 2021·6 cites·2 claims
- 2190US6702478B2Optical fiber connectorINAGAKI TAKEO·Filed 2001·Granted Mar 9, 2004·61 cites·7 claims
- 2290US5649247AApparatus for recording information of camera capable of optical data recording and magnetic data recordingOLYMPUS OPTICAL CO·Filed 1996·Granted Jul 15, 1997·32 cites·4 claims
- 2390USD375969SLens for single-lens reflex cameraASAHI OPTICAL CO LTD·Filed 1996·Granted Nov 26, 1996·39 cites·1 claims
- 2490US5287148AMagnetic seal for a developing apparatusCANON KK·Filed 1991·Granted Feb 15, 1994·42 cites·8 claims
- 2589US11839052B2Apparatus having magnetic fluid heat transport systemCANON KK·Filed 2022·Granted Dec 5, 2023·2 cites·6 claims
- 2689US5812187AElectronic endoscope apparatusOLYMPUS OPTICAL CO·Filed 1997·Granted Sep 22, 1998·122 cites·7 claims
- 2789US5003533ANode processing systemMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Mar 26, 1991·103 cites·9 claims
- 2888US10092997B2Grinding wheelJTEKT CORP·Filed 2016·Granted Oct 9, 2018·3 cites·2 claims
- 2988US9412405B2Pattern forming method and manufacturing method of magnetic recording mediumTOSHIBA KK·Filed 2014·Granted Aug 9, 2016·9 cites·30 claims
- 3088US8962133B2Electrophotographic member, intermediate transfer member, image forming apparatus, and method for manufacturing electrophotographic memberCANON KK·Filed 2012·Granted Feb 24, 2015·4 cites·11 claims
- 3188US7677781B2Sheet switch moduleCITIZEN ELECTRONICS·Filed 2007·Granted Mar 16, 2010·16 cites·13 claims
- 3288US5585840AEndoscope apparatus in which image pickup means and signal control means are connected to each other by signal transmitting meansOLYMPUS OPTICAL CO·Filed 1995·Granted Dec 17, 1996·113 cites·12 claims
- 3388US5491793ADebug support in a processor chipFUJITSU LTD·Filed 1994·Granted Feb 13, 1996·174 cites·44 claims
- 3488US5148429AVoice data transmission system and methodTOSHIBA KK·Filed 1989·Granted Sep 15, 1992·111 cites·14 claims
- 3587US9632262B2Optical moduleJAPAN AVIATION ELECTRONICS IND LTD·Filed 2015·Granted Apr 25, 2017·7 cites·9 claims
- 3687USD529065SLens hoodPENTAX CORP·Filed 2005·Granted Sep 26, 2006·36 cites·1 claims
- 3787USD492335SBinocularsPENTAX CORP·Filed 2003·Granted Jun 29, 2004·34 cites·1 claims
- 3887US6217481B1Slip control system for torque converterNISSAN MOTOR·Filed 1999·Granted Apr 17, 2001·42 cites·10 claims
- 3986US11117240B2Grinding apparatus and grinding methodJTEKT CORP·Filed 2017·Granted Sep 14, 2021·2 cites·8 claims
- 4085US10486288B2Cylindrical grinding method and cylindrical grinding machineJTEKT CORP·Filed 2016·Granted Nov 26, 2019·2 cites·18 claims
- 4185US7495700B2Moving image capture device, moving image capture control method, and moving image capture control programCASIO COMPUTER CO LTD·Filed 2005·Granted Feb 24, 2009·12 cites·10 claims
- 4285US5485203AColor misregistration easing system which corrects on a pixel or block basis only when necessaryOLYMPUS OPTICAL CO·Filed 1992·Granted Jan 16, 1996·71 cites·14 claims
- 4385US5032913AElectronic endoscope system equipped with color smear reducing meansOLYMPUS OPTICAL CO·Filed 1990·Granted Jul 16, 1991·74 cites·155 claims
- 4485US4750505AApparatus for processing wafers and the likeDAINIPPON SCREEN MFG·Filed 1986·Granted Jun 14, 1988·91 cites·9 claims
- 4585US4306030ACarbon-containing refractoryKYUSHU REFRACTORIES·Filed 1980·Granted Dec 15, 1981·39 cites·8 claims
- 4684US11442340B2Electronic apparatus, electronic apparatus control method and storage mediumCANON KK·Filed 2020·Granted Sep 13, 2022·2 cites·17 claims
- 4784US10352849B2Terahertz time domain spectroscopic apparatusFEMTO DEPLOYMENTS INC·Filed 2017·Granted Jul 16, 2019·3 cites·4 claims
- 4884US7372638B2Lens barrelOLYMPUS IMAGING CORP·Filed 2007·Granted May 13, 2008·18 cites·20 claims
- 4984USD446232SLens for single-lens reflex cameraASAHI OPTICAL CO LTD·Filed 2000·Granted Aug 7, 2001·29 cites·1 claims
- 5083US9224413B2Magnetic recording medium and method of manufacturing the sameTOSHIBA KK·Filed 2013·Granted Dec 29, 2015·5 cites·2 claims
Showing the top 50 of 326 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Akira 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 →