Inventor · disambiguated record
Masakazu Iwabuchi
Also filed as: IWABUCHI MASAKAZU
54 granted patents·2 pending applications·372 citations·filing 1995–2017
98Inventor score
Technology areasA01K
Top patents by PatentIndex Score
56 records- 0192US7234661B2Drag adjustment device for a dual-bearing reelSHIMANO KK·Filed 2005·Granted Jun 26, 2007·24 cites·8 claims
- 0281US6694666B2Detachable grip for a fishing rod and fishing rod with sameSHIMANO KK·Filed 2002·Granted Feb 24, 2004·18 cites·5 claims
- 0380US6382540B1Rotor for spinning reelsSHIMANO KK·Filed 2000·Granted May 7, 2002·20 cites·20 claims
- 0477USD505991SSpinning reelSHIMANO KK·Filed 2004·Granted Jun 7, 2005·21 cites·1 claims
- 0573USD723655SFishing reelSHIMANO KK·Filed 2014·Granted Mar 3, 2015·17 cites·1 claims
- 0671US11991998B2Reel seat and fishing rodSHIMANO KK·Filed 2017·Granted May 28, 2024·2 cites·12 claims
- 0771USD579513SFishing reel portionSHIMANO KK·Filed 2007·Granted Oct 28, 2008·17 cites·1 claims
- 0871USD369642SFishing reelSHIMANO KK·Filed 1995·Granted May 7, 1996·16 cites·1 claims
- 0970USD497969SFishing reelSHIMANO KK·Filed 2003·Granted Nov 2, 2004·16 cites·1 claims
- 1069US6929204B2Method of manufacturing a spinning reel rotorSHIMANO KK·Filed 2004·Granted Aug 16, 2005·8 cites·9 claims
- 1167USD661774SFishing reelNAGO AKIRA·Filed 2011·Granted Jun 12, 2012·15 cites·1 claims
- 1265US7070138B2Spinning reelSHIMANO KK·Filed 2004·Granted Jul 4, 2006·6 cites·16 claims
- 1362USD561871SFishing reel portionSHIMANO KK·Filed 2007·Granted Feb 12, 2008·12 cites·1 claims
- 1462USD388860SSpinning reel for fishingSHIMANO KK·Filed 1996·Granted Jan 6, 1998·11 cites·1 claims
- 1561USD620073SFishing reelSHIMANO KK·Filed 2010·Granted Jul 20, 2010·12 cites·1 claims
- 1660US6045075ALow profile double bearing reel having thumb restSHIMANO KK·Filed 1998·Granted Apr 4, 2000·20 cites·20 claims
- 1758USD725229SFishing reel portionSHIMANO KK·Filed 2014·Granted Mar 24, 2015·9 cites·1 claims
- 1857US7293732B2Spinning reelSHIMANO KK·Filed 2006·Granted Nov 13, 2007·0 cites·19 claims
- 1957USD516160SFishing reel reel unitSHIMANO KK·Filed 2004·Granted Feb 28, 2006·9 cites·1 claims
- 2057US5855331AReel unit for dual-bearing reelSHIMANO KK·Filed 1997·Granted Jan 5, 1999·17 cites·20 claims
- 2155USD405154SSpinning reelSHIMANO KK·Filed 1997·Granted Feb 2, 1999·8 cites·1 claims
- 2251USD516664SFishing reel reel unitSHIMANO KK·Filed 2004·Granted Mar 7, 2006·7 cites·1 claims
- 2350USD528626SFishing reel cover portionSHIMANO KK·Filed 2005·Granted Sep 19, 2006·7 cites·1 claims
- 2450US2003146319A1Spinning reel rotorSHIMANO KK·Filed 2002·Application pending·0 cites
- 2549USD507622SFishing reelSHIMANO KK·Filed 2003·Granted Jul 19, 2005·6 cites·1 claims
- 2649USD500835SFishing reelSHIMANO KK·Filed 2003·Granted Jan 11, 2005·6 cites·1 claims
- 2749USD425169SFishing reelSHIMANO KK·Filed 1999·Granted May 16, 2000·6 cites·1 claims
- 2848USD781395SFishing reelSHIMANO KK·Filed 2016·Granted Mar 14, 2017·4 cites·1 claims
- 2947US7118058B2Spinning reel rotorSHIMANO KK·Filed 2003·Granted Oct 10, 2006·0 cites·18 claims
- 3045USD505181SSkirt portion of fishing reel spoolSHIMANO KK·Filed 2004·Granted May 17, 2005·5 cites·1 claims
- 3144USD529125SHandle grip for fishing reelSHIMANO KK·Filed 2005·Granted Sep 26, 2006·5 cites·1 claims
- 3243USD782607SFishing reel portionSHIMANO KK·Filed 2016·Granted Mar 28, 2017·3 cites·1 claims
- 3343USD500354SFishing reelSHIMANO KK·Filed 2003·Granted Dec 28, 2004·4 cites·1 claims
- 3443USD487496SFishing reel bodySHIMANO KK·Filed 2002·Granted Mar 9, 2004·4 cites·1 claims
- 3541USD624625SFishing reel portionSHIMANO KK·Filed 2010·Granted Sep 28, 2010·4 cites·1 claims
- 3641USD528186SFishing reel drag leverSHIMANO KK·Filed 2005·Granted Sep 12, 2006·4 cites·1 claims
- 3740USD496981SFishing reelSHIMANO KK·Filed 2003·Granted Oct 5, 2004·3 cites·1 claims
- 3839USD517161SFishing reel reel unitSHIMANO KK·Filed 2004·Granted Mar 14, 2006·3 cites·1 claims
- 3939USD516162SFishing reel reel unitSHIMANO KK·Filed 2004·Granted Feb 28, 2006·3 cites·1 claims
- 4039USD388497SSpinning reel for fishingSHIMANO KK·Filed 1996·Granted Dec 30, 1997·3 cites·1 claims
- 4138USD529984SFishing reel drag coverSHIMANO KK·Filed 2005·Granted Oct 10, 2006·3 cites·1 claims
- 4236USD560268SFishing reelSHIMANO KK·Filed 2007·Granted Jan 22, 2008·2 cites·1 claims
- 4336USD516161SFishing reel handleSHIMANO KK·Filed 2004·Granted Feb 28, 2006·2 cites·1 claims
- 4436USD497658SFishing reelSHIMANO KK·Filed 2003·Granted Oct 26, 2004·2 cites·1 claims
- 4535USD785130SFishing reel portionSHIMANO KK·Filed 2016·Granted Apr 25, 2017·1 cites·1 claims
- 4635USD781997SFishing reel portionSHIMANO KK·Filed 2016·Granted Mar 21, 2017·1 cites·1 claims
- 4735USD528185SFishing reel leg portionSHIMANO KK·Filed 2005·Granted Sep 12, 2006·2 cites·1 claims
- 4834USD624624SFishing reel portionSHIMANO KK·Filed 2010·Granted Sep 28, 2010·2 cites·1 claims
- 4933USD505180SReel unit guard of spinning reelSHIMANO KK·Filed 2004·Granted May 17, 2005·1 cites·1 claims
- 5032USD661775SFishing reel portionNAGO AKIRA·Filed 2011·Granted Jun 12, 2012·1 cites·1 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →