Inventor · disambiguated record
Yuichi Aizawa
Also filed as: AIZAWA YUICHI
37 granted patents·2 pending applications·2,702 citations·filing 1985–2018
98Inventor score
Top patents by PatentIndex Score
39 records- 0198US5346216AGolf club headDAIWA GOLF·Filed 1993·Granted Sep 13, 1994·385 cites·27 claims
- 0296US5697855AGolf club headDAIWA SEIKO INC·Filed 1995·Granted Dec 16, 1997·199 cites·11 claims
- 0396US5616088AGolf club headDAIWA SEIKO INC·Filed 1995·Granted Apr 1, 1997·245 cites·10 claims
- 0496US5472201AGolf club head and striking faceDAIWA GOLF·Filed 1994·Granted Dec 5, 1995·276 cites·10 claims
- 0596USD362041SGolf club headDAIWA GOLF·Filed 1994·Granted Sep 5, 1995·58 cites·1 claims
- 0695US5547194AGolf club headDAIWA SEIKO INC·Filed 1995·Granted Aug 20, 1996·217 cites·8 claims
- 0795US4664383AIron-type golf club headDAIWA GOLF·Filed 1985·Granted May 12, 1987·159 cites·10 claims
- 0894US5348302AGolf club headDAIWA GOLF·Filed 1992·Granted Sep 20, 1994·173 cites·14 claims
- 0994US5078397AGolf club headDAIWA GOLF·Filed 1990·Granted Jan 7, 1992·129 cites·11 claims
- 1092USD377381SGolf club headDAIWA SEIKO INC·Filed 1996·Granted Jan 14, 1997·46 cites·1 claims
- 1192USD362481SGolf club headDAIWA GOLF·Filed 1994·Granted Sep 19, 1995·39 cites·1 claims
- 1290US5242168AGolf club headDAIWA GOLF·Filed 1992·Granted Sep 7, 1993·86 cites·15 claims
- 1389US5643103AGolf club setDAIWA SEIKO INC·Filed 1996·Granted Jul 1, 1997·100 cites·7 claims
- 1489US4754975AIron club headDAIWA GOLF·Filed 1987·Granted Jul 5, 1988·60 cites·20 claims
- 1586US5816936AGolf club head and method of manufacturing the sameDAIWA SEIKO INC·Filed 1995·Granted Oct 6, 1998·93 cites·19 claims
- 1686USD332984SGolf club headDAIWA GOLF·Filed 1990·Granted Feb 2, 1993·28 cites·1 claims
- 1784US9239542B2Image forming apparatusKASAI TADASHI·Filed 2014·Granted Jan 19, 2016·3 cites·13 claims
- 1883US5665441AHollow cylindricall memberDAIWA SEIKO INC·Filed 1994·Granted Sep 9, 1997·38 cites·8 claims
- 1982US5207428AGolf club headDAIWA GOLF·Filed 1991·Granted May 4, 1993·52 cites·14 claims
- 2079US9696654B2Image forming apparatus comprising image density detector and toner concentration detectorNAKAYAMA MASAYOSHI·Filed 2016·Granted Jul 4, 2017·2 cites·8 claims
- 2179US5686155AHollow cylindrical memberDAIWA SEIKO INC·Filed 1995·Granted Nov 11, 1997·36 cites·8 claims
- 2277US9310743B2Image forming apparatus and cleaning of image forming apparatusSHIRAISHI EMIKO·Filed 2014·Granted Apr 12, 2016·2 cites·18 claims
- 2376US5669824AIron club and iron club setDAIWA SEIKO INC·Filed 1996·Granted Sep 23, 1997·53 cites·13 claims
- 2474US5658207AGolf club headDAIWA SEIKO INC·Filed 1995·Granted Aug 19, 1997·50 cites·7 claims
- 2573US5868635AGolf club head and method of manufacturing the sameDAIWA SEIKO CO·Filed 1997·Granted Feb 9, 1999·41 cites·7 claims
- 2673USD368945SGolf club headDAIWA GOLF·Filed 1994·Granted Apr 16, 1996·15 cites·1 claims
- 2772US5465968AGolf clubhead having beryllium face plateDAIWA GOLF·Filed 1994·Granted Nov 14, 1995·42 cites·13 claims
- 2869US9176431B2Developing device and image forming apparatus and process cartridge incorporating sameKOIKE TOSHIO·Filed 2014·Granted Nov 3, 2015·1 cites·7 claims
- 2969US8947732B2Print control device and print control methodKUROSAWA MASANORI·Filed 2013·Granted Feb 3, 2015·2 cites·3 claims
- 3069US5586949AHollow club head with sole plate support structureDAIWA SEIKO INC·Filed 1995·Granted Dec 24, 1996·39 cites·13 claims
- 3164USD327523SGolf club headDAIWA GOLF·Filed 1990·Granted Jun 30, 1992·11 cites·1 claims
- 3256US5697854AGolf club head and method of manufacturing the sameDAIWA SEIKO INC·Filed 1995·Granted Dec 16, 1997·22 cites·15 claims
- 3355US10599081B2Image forming apparatus and voltage application methodTACHI MASASHI·Filed 2018·Granted Mar 24, 2020·0 cites·18 claims
- 3453US9128428B2Image forming apparatus which includes a colorless toner image forming deviceMORINAGA MUTSUKI·Filed 2014·Granted Sep 8, 2015·0 cites·12 claims
- 3550US10241462B2Image forming apparatusNAKAYAMA MASAYOSHI·Filed 2017·Granted Mar 26, 2019·0 cites·7 claims
- 3640US2013342859A1Image forming apparatus, image data converter to convert image data therefor, and method of converting image data thereforKASAI TADASHI·Filed 2013·Application pending·0 cites
- 3735US2016313668A1Image forming apparatusKASAI TADASHI·Filed 2016·Application pending·0 cites
- 3834US9488931B2Image forming apparatusYASUDA MAKOTO·Filed 2015·Granted Nov 8, 2016·0 cites·10 claims
- 3930US9500978B2Image forming apparatus including electric charge removing device and method of forming imageNAKAYAMA MASAYOSHI·Filed 2015·Granted Nov 22, 2016·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →