Inventor · disambiguated record
Eiji Tanaka
Also filed as: TANAKA EIJI
82 granted patents·17 pending applications·1,143 citations·filing 1974–2022
99Inventor score
Top patents by PatentIndex Score
99 records- 0197US7293755B2Vibration isolation deviceHONDA MOTOR CO LTD·Filed 2005·Granted Nov 13, 2007·49 cites·15 claims
- 0296US8746740B2Steering column deviceJTEKT CORP·Filed 2013·Granted Jun 10, 2014·32 cites·4 claims
- 0395US5491272AMethod for oligomerizing an alpha-olefinMITSUBISHI CHEM CORP·Filed 1993·Granted Feb 13, 1996·71 cites·33 claims
- 0494US6007712AWaste water treatment apparatusKURARAY CO·Filed 1998·Granted Dec 28, 1999·124 cites·16 claims
- 0593US5750817AProcess for producing α-olefin oligomers and α-olefin oligomer compositionsMITSUBISHI CHEM CORP·Filed 1996·Granted May 12, 1998·93 cites·42 claims
- 0691US7314213B2Fluid-filled vibration damping deviceTOKAI RUBBER IND LTD·Filed 2005·Granted Jan 1, 2008·19 cites·9 claims
- 0787US8997602B2Position adjustable steering deviceJTEKT CORP·Filed 2012·Granted Apr 7, 2015·11 cites·5 claims
- 0885US9859185B2Semiconductor packaging structure and package having stress release structureKYOCERA INT INC·Filed 2017·Granted Jan 2, 2018·5 cites·17 claims
- 0983US5557026AMethod for oligomerizing an α-olefinMITSUBISHI CHEM CORP·Filed 1995·Granted Sep 17, 1996·40 cites·1 claims
- 1082US9415793B2Steering apparatusJTEKT CORP·Filed 2014·Granted Aug 16, 2016·10 cites·8 claims
- 1182US5294106AImage forming apparatus having detachable sheet cassetteBROTHER IND LTD·Filed 1992·Granted Mar 15, 1994·29 cites·20 claims
- 1281US9010806B2Steering systemJTEKT CORP·Filed 2014·Granted Apr 21, 2015·9 cites·5 claims
- 1381US5286540ABlow molded container made of polypropylene resinMITSUBISHI CHEM IND·Filed 1993·Granted Feb 15, 1994·26 cites·7 claims
- 1479US7416173B2Pneumatically switchable type fluid-filled engine mountTOKAI RUBBER IND LTD·Filed 2005·Granted Aug 26, 2008·9 cites·10 claims
- 1578US9162320B2Bonding deviceTANAKA EIJI·Filed 2013·Granted Oct 20, 2015·6 cites·4 claims
- 1678US8168920B2Bonding deviceTERADA TORU·Filed 2008·Granted May 1, 2012·8 cites·7 claims
- 1777US5277415ASheet feeding deviceBROTHER IND LTD·Filed 1992·Granted Jan 11, 1994·24 cites·20 claims
- 1877US4226964AProcess for polymerizing olefinMITSUBISHI CHEM IND·Filed 1979·Granted Oct 7, 1980·19 cites·17 claims
- 1976US7461571B2Vehicle steering apparatusJTEKT CORP·Filed 2006·Granted Dec 9, 2008·11 cites·16 claims
- 2074US9275486B2Collage image creating method and collage image creating deviceSEIKO EPSON CORP·Filed 2014·Granted Mar 1, 2016·4 cites·5 claims
- 2173US8157251B2Vibration damping mounting assemblyTANAKA EIJI·Filed 2008·Granted Apr 17, 2012·6 cites·7 claims
- 2273US5948398ADeodorant comprising metal oxide-carrying activated carbonKURARAY CHEMICAL KK·Filed 1994·Granted Sep 7, 1999·111 cites·14 claims
- 2373US5256476AFan blade comprising adsorbent particles, fine plastic particles and reinforcing fibersKURARAY CHEMICAL KK·Filed 1992·Granted Oct 26, 1993·40 cites·2 claims
- 2472US6557839B2Fluid-filled vibration damping device and method of producing the sameTOKAI RUBBER IND LTD·Filed 2001·Granted May 6, 2003·15 cites·15 claims
- 2571US9359002B2Steering-column deviceJTEKT CORP·Filed 2015·Granted Jun 7, 2016·3 cites·5 claims
- 2671US6595532B2Rack-pinion type steering apparatusKOYO SEIKO CO·Filed 2001·Granted Jul 22, 2003·13 cites·7 claims
- 2771US4113582AMethod of adjusting a fused salt electrolytic bathSONY CORP·Filed 1977·Granted Sep 12, 1978·16 cites·12 claims
- 2870US9381936B2Steering-column deviceJTEKT CORP·Filed 2014·Granted Jul 5, 2016·5 cites·6 claims
- 2970US6496623B2Optical device, optical communication component and optical transmission apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 17, 2002·12 cites·32 claims
- 3070US5475478ADeveloper unit and method of supplying developerBROTHER IND LTD·Filed 1994·Granted Dec 12, 1995·17 cites·21 claims
- 3170US5178926AHydrogenated vinyl aromatic hydrocarbon polymer composition and optical disc substrateMITSUBISHI CHEM IND·Filed 1992·Granted Jan 12, 1993·18 cites·10 claims
- 3269US8887596B2Steering column apparatusFUJI KIKO KK·Filed 2012·Granted Nov 18, 2014·5 cites·6 claims
- 3369US6204349B1Pipe made of polyethylene resinMITSUBISHI CHEM CORP·Filed 1996·Granted Mar 20, 2001·30 cites·8 claims
- 3469US4016052AElectrodeposition processSONY CORP·Filed 1975·Granted Apr 5, 1977·14 cites·10 claims
- 3567US9694842B2Steering deviceJTEKT CORP·Filed 2014·Granted Jul 4, 2017·4 cites·4 claims
- 3667US4902761AMethod for producing an olefin polymerMITSUBISHI CHEM IND·Filed 1987·Granted Feb 20, 1990·23 cites·28 claims
- 3766US9346482B2Steering-column deviceJTEKT CORP·Filed 2014·Granted May 24, 2016·4 cites·4 claims
- 3863US8346015B2Image processing method, program, and image processing apparatus arranging a plurality of images to make a uniform face size of person for layout imageSEIKO EPSON CORP·Filed 2009·Granted Jan 1, 2013·3 cites·10 claims
- 3958US9446477B2Bonding headTANAKA EIJI·Filed 2013·Granted Sep 20, 2016·1 cites·3 claims
- 4057US11738564B2Inkjet printer and non-transitory computer-readable storage medium storing computer-readable instructionsBROTHER IND LTD·Filed 2022·Granted Aug 29, 2023·0 cites·14 claims
- 4157US8862331B2Controller for steering apparatusJTEKT CORP·Filed 2012·Granted Oct 14, 2014·3 cites·5 claims
- 4257USRE39550ESecurity apparatus and methodTOSHIBA KK·Filed 2001·Granted Apr 3, 2007·3 cites·44 claims
- 4357US2022263186A1Cushioning sheet and method for manufacturing sameSUMITOMO RIKO CO LTD·Filed 2022·Application pending·0 cites
- 4456US12269051B2Foam dispensing containerDAIWA CAN CO LTD·Filed 2020·Granted Apr 8, 2025·0 cites·4 claims
- 4556US6191232B1Propylene block copolymerMITSUBISHI CHEM CORP·Filed 1998·Granted Feb 20, 2001·14 cites·16 claims
- 4656US5436067AFreshness keeping sheetKURARAY CHEMICAL KK·Filed 1994·Granted Jul 25, 1995·17 cites·2 claims
- 4755US4588551AArticle having cast metal portion and sintered metallic portion and method of producing sameNISSAN MOTOR·Filed 1984·Granted May 13, 1986·14 cites·13 claims
- 4854US4368305AProcess for producing olefin polymersMITSUBISHI CHEM IND·Filed 1980·Granted Jan 11, 1983·9 cites·9 claims
- 4954US4158792ALight control device for high frequency lighted fluorescent lampKUROI KOSAN KK·Filed 1977·Granted Jun 19, 1979·17 cites·13 claims
- 5052US8100389B2Pneumatic actuator for vibration damping device and vibration damping device using the sameTANAKA EIJI·Filed 2008·Granted Jan 24, 2012·0 cites·11 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Eiji Tanaka 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 →