Inventor · disambiguated record
Keigo Kitajima
Also filed as: KITAJIMA KEIGO
48 granted patents·2 pending applications·257 citations·filing 2001–2025
98Inventor score
Top patents by PatentIndex Score
50 records- 0193US7413138B2Reel unit of spinning reelSHIMANO KK·Filed 2007·Granted Aug 19, 2008·24 cites·20 claims
- 0289US7614577B2Handle knob and handle assembly for a fishing reelSHIMANO KK·Filed 2008·Granted Nov 10, 2009·13 cites·10 claims
- 0385US10091979B2Dual-bearing reel and reel unit for sameSHIMANO COMPONENTS MY SDN BHD·Filed 2016·Granted Oct 9, 2018·4 cites·18 claims
- 0485US9497948B2Spinning reelSHIMANO KK·Filed 2014·Granted Nov 22, 2016·8 cites·14 claims
- 0583US6629655B2Fastening structure for fishing equipment partsSHIMANO KK·Filed 2002·Granted Oct 7, 2003·22 cites·20 claims
- 0681US7234660B2Spinning reel rotor braking deviceSHIMANO KK·Filed 2006·Granted Jun 26, 2007·9 cites·20 claims
- 0780US7967232B2Spinning-reel fishing line guide mechanismSHIMANO KK·Filed 2010·Granted Jun 28, 2011·6 cites·17 claims
- 0878US9363988B2Spinning reelSHIMANO KK·Filed 2014·Granted Jun 14, 2016·4 cites·8 claims
- 0978US7401748B2Spool assembly for spinning reelSHIMANO KK·Filed 2007·Granted Jul 22, 2008·7 cites·15 claims
- 1078US7121491B2Reel unit for spinning reelSHIMANO KK·Filed 2005·Granted Oct 17, 2006·6 cites·10 claims
- 1177US9370173B2Spinning reelSHIMANO KK·Filed 2014·Granted Jun 21, 2016·4 cites·8 claims
- 1277US6880776B2Reel unit for spinning reelSHIMANO KK·Filed 2003·Granted Apr 19, 2005·16 cites·14 claims
- 1377US6655622B2Spinning reel spoolSHIMANO KK·Filed 2002·Granted Dec 2, 2003·16 cites·20 claims
- 1476US7314192B2Spinning reelSHIMANO KK·Filed 2006·Granted Jan 1, 2008·6 cites·11 claims
- 1576US6688545B2Fishing-reel sounding deviceSHIMANO KK·Filed 2002·Granted Feb 10, 2004·16 cites·13 claims
- 1673US7775471B2Spool of fishing reelSHIMANO KK·Filed 2008·Granted Aug 17, 2010·4 cites·14 claims
- 1773US7293731B2Reciprocating mechanism for spinning reelSHIMANO KK·Filed 2006·Granted Nov 13, 2007·4 cites·12 claims
- 1872US7374119B2Handle knob and handle assembly for a fishing reelSHIMANO KK·Filed 2005·Granted May 20, 2008·3 cites·12 claims
- 1971US10349645B2Single-bearing reelSHIMANO KK·Filed 2017·Granted Jul 16, 2019·2 cites·16 claims
- 2070US7500631B2Gear mounting structure for fishing reelSHIMANO KK·Filed 2006·Granted Mar 10, 2009·2 cites·20 claims
- 2169US7665683B2Fishing line guiding mechanism of spinning reelSHIMANO KK·Filed 2008·Granted Feb 23, 2010·2 cites·26 claims
- 2269US6929204B2Method of manufacturing a spinning reel rotorSHIMANO KK·Filed 2004·Granted Aug 16, 2005·8 cites·9 claims
- 2368US6857589B2Fishing reel componentSHIMANO KK·Filed 2003·Granted Feb 22, 2005·9 cites·20 claims
- 2467US9591839B2Spinning reel for fishing and a braking operation lever for the rotor braking deviceSHIMANO KK·Filed 2014·Granted Mar 14, 2017·1 cites·15 claims
- 2566US7198218B2Brake operation structure for fishing reel spoolSHIMANO KK·Filed 2005·Granted Apr 3, 2007·2 cites·20 claims
- 2665US7051967B2Reel unit for spinning reelSHIMANO KK·Filed 2003·Granted May 30, 2006·7 cites·20 claims
- 2764US7165736B2Rear drag operation structure for a spinning reelSHIMANO KK·Filed 2004·Granted Jan 23, 2007·6 cites·14 claims
- 2863US6955316B2Reel unit for spinning reelSHIMANO KK·Filed 2002·Granted Oct 18, 2005·6 cites·20 claims
- 2963US6874717B2Reciprocating device for spinning reelSHIMANO KK·Filed 2003·Granted Apr 5, 2005·6 cites·10 claims
- 3063US6655619B2Spinning-reel reciprocating mechanismSHIMANO KK·Filed 2002·Granted Dec 2, 2003·6 cites·16 claims
- 3162US7188794B2Spinning-reel oscillating deviceSHIMANO KK·Filed 2004·Granted Mar 13, 2007·6 cites·16 claims
- 3262US7066419B2Reel unit for spinning reelSHIMANO KK·Filed 2004·Granted Jun 27, 2006·4 cites·10 claims
- 3362US6598817B2Dual-bearing reelSHIMANO KK·Filed 2001·Granted Jul 29, 2003·8 cites·10 claims
- 3460US7798437B2Rotor for spinning reelSHIMANO KK·Filed 2009·Granted Sep 21, 2010·0 cites·5 claims
- 3559US7762489B2Spool for spinning reelSHIMANO KK·Filed 2009·Granted Jul 27, 2010·0 cites·5 claims
- 3659US6612511B2Component assembly for fishing reelSHIMANO KK·Filed 2002·Granted Sep 2, 2003·3 cites·18 claims
- 3758US10609917B2Dual-bearing reelSHIMANO COMPONENTS MY SDN BHD·Filed 2019·Granted Apr 7, 2020·0 cites·8 claims
- 3857US10477846B2Spool for fishing reelSHIMANO KK·Filed 2018·Granted Nov 19, 2019·0 cites·10 claims
- 3957US6983905B2Fishing reel screw operation structureSHIMANO KK·Filed 2003·Granted Jan 10, 2006·1 cites·16 claims
- 4057US6702214B2Fishing-reel power transmission deviceSHIMANO KK·Filed 2003·Granted Mar 9, 2004·2 cites·15 claims
- 4156US11997996B2Spool braking device for dual bearing reelSHIMANO KK·Filed 2022·Granted Jun 4, 2024·0 cites·10 claims
- 4255US9226486B2Spinning reel and spinning reel spoolSHIMANO KK·Filed 2013·Granted Jan 5, 2016·0 cites·11 claims
- 4354US7275706B2Spool for spinning reelSHIMANO KK·Filed 2006·Granted Oct 2, 2007·0 cites·24 claims
- 4454US2025255285A1Fishing line information learning systemSHIMANO KK·Filed 2025·Application pending·0 cites
- 4552US9763433B2Reciprocating mechanism for a fishing reel and a fishing reelSHIMANO KK·Filed 2016·Granted Sep 19, 2017·0 cites·12 claims
- 4650US6957788B2Sound generating mechanism for a fishing reelSHIMANO KK·Filed 2004·Granted Oct 25, 2005·4 cites·20 claims
- 4750US2003146319A1Spinning reel rotorSHIMANO KK·Filed 2002·Application pending·0 cites
- 4849US10834910B2Dual-bearing reelSHIMANO KK·Filed 2018·Granted Nov 17, 2020·0 cites·18 claims
- 4947US7118058B2Spinning reel rotorSHIMANO KK·Filed 2003·Granted Oct 10, 2006·0 cites·18 claims
- 5043US10575510B2Fishing reelSHIMANO KK·Filed 2018·Granted Mar 3, 2020·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →