Inventor · disambiguated record
Akira Niitsuma
Also filed as: NIITSUMA AKIRA
65 granted patents·2 pending applications·221 citations·filing 1988–2023
98Inventor score
Top patents by PatentIndex Score
67 records- 0190US7789336B1Spool for dual-bearing reelSHIMANO KK·Filed 2010·Granted Sep 7, 2010·13 cites·7 claims
- 0288US10039272B2Spool brake device for dual-bearing reelSHIMANO KK·Filed 2016·Granted Aug 7, 2018·5 cites·20 claims
- 0387US8534585B2Centrifugal brake device for dual-bearing reelSAITO KEI·Filed 2012·Granted Sep 17, 2013·10 cites·9 claims
- 0485US7648096B2Spool brake device of dual-bearing reelSHIMANO KK·Filed 2008·Granted Jan 19, 2010·12 cites·16 claims
- 0585US5049980AElectronic circuit device and method of manufacturing sameTOSHIBA KK·Filed 1988·Granted Sep 17, 1991·69 cites·9 claims
- 0684US8985492B2Dual-bearing reel spool brake device and dual-bearing reelSHIMANO KK·Filed 2012·Granted Mar 24, 2015·7 cites·14 claims
- 0783US10575508B2Braking apparatus for dual-bearing reelSHIMANO KK·Filed 2018·Granted Mar 3, 2020·2 cites·5 claims
- 0882US11395482B2Spinning reelSHIMANO KK·Filed 2021·Granted Jul 26, 2022·1 cites·10 claims
- 0982US10492483B1Dual-bearing reelSHIMANO KK·Filed 2019·Granted Dec 3, 2019·2 cites·5 claims
- 1080US10130085B2Spool brake device for dual-bearing reelSHIMANO KK·Filed 2016·Granted Nov 20, 2018·2 cites·18 claims
- 1180US9807989B2Dual-bearing reelSHIMANO KK·Filed 2016·Granted Nov 7, 2017·2 cites·15 claims
- 1280US4857482AMethod of forming bump electrode and electronic circuit deviceTOSHIBA KK·Filed 1988·Granted Aug 15, 1989·56 cites·16 claims
- 1379US10039273B2Spool brake device for dual-bearing reelSHIMANO KK·Filed 2016·Granted Aug 7, 2018·2 cites·20 claims
- 1477US9439408B2Dual-bearing reelSHIMANO KK·Filed 2014·Granted Sep 13, 2016·4 cites·13 claims
- 1576US9101121B2Spool brake device for dual-bearing reelSHIMANO KK·Filed 2013·Granted Aug 11, 2015·4 cites·7 claims
- 1675US10966418B2Fishing reelSHIMANO KK·Filed 2019·Granted Apr 6, 2021·1 cites·7 claims
- 1775US10470449B1Dual-bearing reelNIITSUMA AKIRA·Filed 2019·Granted Nov 12, 2019·1 cites·3 claims
- 1875US9642348B2Dual-bearing reelSHIMANO KK·Filed 2014·Granted May 9, 2017·3 cites·19 claims
- 1972US10477848B2Spool brake deviceSHIMANO KK·Filed 2017·Granted Nov 19, 2019·1 cites·16 claims
- 2072US9668465B2Dual-bearing reelSHIMANO KK·Filed 2016·Granted Jun 6, 2017·1 cites·7 claims
- 2172US9549540B2Dual-bearing reelSHIMANO KK·Filed 2016·Granted Jan 24, 2017·1 cites·9 claims
- 2271US11751549B2Spinning reelSHIMANO KK·Filed 2022·Granted Sep 12, 2023·0 cites·5 claims
- 2371US9253969B2Dual-bearing reel spool braking device and dual-bearing reelSHIMANO KK·Filed 2014·Granted Feb 9, 2016·2 cites·12 claims
- 2471US9215865B2Dual-bearing reelSHIMANO KK·Filed 2014·Granted Dec 22, 2015·2 cites·7 claims
- 2571US8985493B2Fishing-reel reel unit and fishing reelSHIMANO KK·Filed 2012·Granted Mar 24, 2015·2 cites·9 claims
- 2670US8925848B2Dual-bearing reelSHIMANO KK·Filed 2013·Granted Jan 6, 2015·2 cites·10 claims
- 2770US8844855B2Spool brake device for dual-bearing reelNIITSUMA AKIRA·Filed 2012·Granted Sep 30, 2014·2 cites·4 claims
- 2868US11716980B2Spinning reelSHIMANO KK·Filed 2022·Granted Aug 8, 2023·0 cites·10 claims
- 2968US11716981B2Spinning reelSHIMANO KK·Filed 2022·Granted Aug 8, 2023·0 cites·8 claims
- 3067US11761494B2Drag washer and fishing reelSHIMANO KK·Filed 2022·Granted Sep 19, 2023·0 cites·14 claims
- 3167US9737061B2Dual-bearing reel and clutch mechanism thereofSHIMANO KK·Filed 2015·Granted Aug 22, 2017·1 cites·15 claims
- 3267US9095129B2Spool brake device for dual-bearing reelSHIMANO KK·Filed 2013·Granted Aug 4, 2015·1 cites·6 claims
- 3366US11737439B2Spinning reelSHIMANO KK·Filed 2022·Granted Aug 29, 2023·0 cites·5 claims
- 3466US9282731B2Dual-bearing reel spool braking deviceSHIMANO KK·Filed 2014·Granted Mar 15, 2016·2 cites·14 claims
- 3566US8925846B2Fishing-reel reel unit, fishing reel and method of manufacturing fishing-reel reel unitNIITSUMA AKIRA·Filed 2012·Granted Jan 6, 2015·2 cites·11 claims
- 3666US8746604B2Fishing reelNIITSUMA AKIRA·Filed 2012·Granted Jun 10, 2014·1 cites·11 claims
- 3763US11856930B2Collar member for spinning reelSHIMANO KK·Filed 2022·Granted Jan 2, 2024·0 cites·2 claims
- 3863US11819012B2Spinning reelSHIMANO KK·Filed 2022·Granted Nov 21, 2023·0 cites·7 claims
- 3963US11124395B2Reel braking adjustment device and reel braking adjustment programSHIMANO KK·Filed 2019·Granted Sep 21, 2021·0 cites·8 claims
- 4062US8882014B2Fishing-reel reel unit and fishing reelNIITSUMA AKIRA·Filed 2012·Granted Nov 11, 2014·1 cites·11 claims
- 4162US8695909B2Fishing reel handle assemblyNIITSUMA AKIRA·Filed 2010·Granted Apr 15, 2014·2 cites·20 claims
- 4262US8490909B2Dual-bearing reel drag sound producing deviceTAKAMATSU TAKUJI·Filed 2011·Granted Jul 23, 2013·2 cites·7 claims
- 4361US10477850B2Bearing housing structure and dual-bearing reelSHIMANO KK·Filed 2018·Granted Nov 19, 2019·0 cites·5 claims
- 4460US11330809B2Spinning reelSHIMANO KK·Filed 2021·Granted May 17, 2022·0 cites·5 claims
- 4560US2024215557A1Fishing information processing system, fishing reel, fishing rod, and fishing information processing programSHIMANO KK·Filed 2023·Application pending·0 cites
- 4659US9826725B2Level winding mechanism for dual-bearing reelSHIMANO KK·Filed 2014·Granted Nov 28, 2017·0 cites·16 claims
- 4758US11116195B2Spool for a dual-bearing reelSHIMANO KK·Filed 2019·Granted Sep 14, 2021·0 cites·7 claims
- 4858US10477851B2Dual-bearing reelSHIMANO KK·Filed 2017·Granted Nov 19, 2019·0 cites·5 claims
- 4957US10375942B2Dual-bearing reelSHIMANO KK·Filed 2018·Granted Aug 13, 2019·0 cites·11 claims
- 5057US10231445B2Dual-bearing reelSHIMANO KK·Filed 2017·Granted Mar 19, 2019·0 cites·18 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →