Inventor · disambiguated record
Kazumasa Yoshikawa
Also filed as: YOSHIKAWA KAZUMASA
29 granted patents·666 citations·filing 1992–2005
97Inventor score
Top patents by PatentIndex Score
29 records- 0197USD366354SShoe soleASICS CORP·Filed 1994·Granted Jan 23, 1996·86 cites·1 claims
- 0296USD339459SShoe soleASICS CORP·Filed 1992·Granted Sep 21, 1993·78 cites·1 claims
- 0395USD495860SShoe outsoleASICS CORP·Filed 2003·Granted Sep 14, 2004·68 cites·1 claims
- 0494USD522229SPair of shoe midsolesASICS CORP·Filed 2003·Granted Jun 6, 2006·60 cites·1 claims
- 0594USD514286SPair of shoe outsolesASICS CORP·Filed 2004·Granted Feb 7, 2006·56 cites·1 claims
- 0694USD374337SShoe soleASICS CORP·Filed 1994·Granted Oct 8, 1996·59 cites·1 claims
- 0790USD350638SShoe soleASICS CORP·Filed 1993·Granted Sep 20, 1994·33 cites·1 claims
- 0888USD373897SShoe soleASICS CORP·Filed 1994·Granted Sep 24, 1996·40 cites·1 claims
- 0980USD355527SShoe heel protectorASICS CORP·Filed 1993·Granted Feb 21, 1995·21 cites·1 claims
- 1079US6633729B1Optical apparatus, optical apparatus driving unit and camera systemCANON KK·Filed 2000·Granted Oct 14, 2003·15 cites·20 claims
- 1177US7095566B2Drive controller for lens apparatusCANON KK·Filed 2005·Granted Aug 22, 2006·8 cites·21 claims
- 1277USD509351SShoe midsoleASICS CORP·Filed 2004·Granted Sep 13, 2005·21 cites·1 claims
- 1375USD513115SPair of shoe midsolesASICS CORP·Filed 2004·Granted Dec 27, 2005·19 cites·1 claims
- 1474US6522838B1Optical apparatus, optical element driving unit, and photographing systemCANON KK·Filed 2000·Granted Feb 18, 2003·16 cites·50 claims
- 1572US7265788B2Lens apparatus with changeable image-capturing function settingCANON KK·Filed 2005·Granted Sep 4, 2007·3 cites·2 claims
- 1669US7079182B1Optical apparatus, optical apparatus driving unit and camera systemCANON KK·Filed 2000·Granted Jul 18, 2006·12 cites·32 claims
- 1768USD373012SShoe soleASICS CORP·Filed 1994·Granted Aug 27, 1996·14 cites·1 claims
- 1865US6717618B1Adapter device for connecting a photographic optical system to a cameraCANON KK·Filed 1999·Granted Apr 6, 2004·30 cites·32 claims
- 1961US7808547B2Lens apparatus and image-taking apparatus including drive range limiting function having valid and invalid statesCANON KK·Filed 2004·Granted Oct 5, 2010·4 cites·6 claims
- 2059US6605916B1Rotation position control apparatus of rotary element of filterCANON KK·Filed 2000·Granted Aug 12, 2003·7 cites·16 claims
- 2158US7755695B2Camera system and lens apparatusCANON KK·Filed 2004·Granted Jul 13, 2010·3 cites·3 claims
- 2257US6704503B2Optical device, optical device driving unit, information write device, preset information setting system, and camera systemCANON KK·Filed 2001·Granted Mar 9, 2004·5 cites·12 claims
- 2356US7456895B2Relay unitCANON KK·Filed 2004·Granted Nov 25, 2008·2 cites·4 claims
- 2452US7158179B2Optical device, optical device driving unit, and camera systemCANON KK·Filed 2001·Granted Jan 2, 2007·3 cites·9 claims
- 2549US7460166B2Switchover image taking apparatusCANON KK·Filed 2004·Granted Dec 2, 2008·0 cites·11 claims
- 2649US7388615B2Lens apparatus allowing changing user settings to standard settingsCANON KK·Filed 2005·Granted Jun 17, 2008·0 cites·4 claims
- 2749US6701073B2Optical driving unit, optical apparatus and camera systemCANON KK·Filed 2003·Granted Mar 2, 2004·2 cites·10 claims
- 2848US7280148B2Optical control systemCANON KK·Filed 2004·Granted Oct 9, 2007·0 cites·7 claims
- 2944US6574057B2Optical apparatus, optical apparatus driving unit and camera systemCANON KK·Filed 2001·Granted Jun 3, 2003·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →