Inventor · disambiguated record
Akira Sumiyashiki
Also filed as: SUMIYASHIKI AKIRA
37 granted patents·7 pending applications·332 citations·filing 1997–2017
97Inventor score
Files withTOKAI RIKA CO LTD31TATSUMA ATSUSHI4KK TOKAI-RIKA-DENKI-SEISAKUSHO2TAKAMATSU HITOSHI2YAMADA KAZUHIRO2
Top patents by PatentIndex Score
44 records- 0188US6354528B1Webbing retractorTOKAI RIKA CO LTD·Filed 2000·Granted Mar 12, 2002·50 cites·24 claims
- 0283US6523771B2Webbing retractorTOKAI RIKA CO LTD·Filed 2001·Granted Feb 25, 2003·36 cites·20 claims
- 0375US8118249B2Webbing winderAIHARA KAZUHIKO·Filed 2009·Granted Feb 21, 2012·10 cites·5 claims
- 0473US9174607B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2013·Granted Nov 3, 2015·5 cites·4 claims
- 0573US9090228B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2012·Granted Jul 28, 2015·5 cites·13 claims
- 0673US6530536B2Webbing retractorTOKAI RIKA CO LTD·Filed 2001·Granted Mar 11, 2003·22 cites·20 claims
- 0772US6598904B2Webbing take-up device and vehicleTOKAI RIKA CO LTD·Filed 2001·Granted Jul 29, 2003·20 cites·11 claims
- 0871US7681825B2Webbing retractorTOKAI RIKA CO LTD·Filed 2008·Granted Mar 23, 2010·7 cites·5 claims
- 0969US6883742B2Webbing retractorTOKAI RIKA CO LTD·Filed 2003·Granted Apr 26, 2005·16 cites·16 claims
- 1069US6352213B1Webbing retractorTOKAI RIKA CO LTD·Filed 2000·Granted Mar 5, 2002·18 cites·18 claims
- 1169US6305633B1Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2000·Granted Oct 23, 2001·19 cites·10 claims
- 1267US8740126B2Webbing take-up deviceTATSUMA ATSUSHI·Filed 2010·Granted Jun 3, 2014·5 cites·5 claims
- 1366US9573563B2Webbing take-up deviceKK TOKAI-RIKA-DENKI-SEISAKUSHO·Filed 2014·Granted Feb 21, 2017·3 cites·8 claims
- 1466US7744030B2Webbing retractorTOKAI RIKA CO LTD·Filed 2008·Granted Jun 29, 2010·5 cites·13 claims
- 1566US7621478B2Webbing retractor deviceTOKAI RIKA CO LTD·Filed 2007·Granted Nov 24, 2009·5 cites·4 claims
- 1666US6343522B1Gear mechanism and webbing retractorTOKAI RIKA CO LTD·Filed 1999·Granted Feb 5, 2002·29 cites·14 claims
- 1765US8893999B2Webbing take-up deviceYAMADA KAZUHIRO·Filed 2012·Granted Nov 25, 2014·3 cites·6 claims
- 1863US10518744B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2016·Granted Dec 31, 2019·2 cites·4 claims
- 1963US6527214B2Webbing retractorTOKAI RIKA CO LTD·Filed 2001·Granted Mar 4, 2003·12 cites·19 claims
- 2063US6318664B1Webbing retractorTOKAI RIKA CO LTD·Filed 2000·Granted Nov 20, 2001·12 cites·6 claims
- 2160US10434978B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2016·Granted Oct 8, 2019·1 cites·5 claims
- 2260US9067758B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2012·Granted Jun 30, 2015·1 cites·2 claims
- 2360US6732967B2Webbing retractor and method of assembling webbing retractorTOKAI RIKA CO LTD·Filed 2002·Granted May 11, 2004·10 cites·20 claims
- 2459US8925850B2Webbing retractorTATSUMA ATSUSHI·Filed 2011·Granted Jan 6, 2015·3 cites·4 claims
- 2558US6641076B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2000·Granted Nov 4, 2003·9 cites·2 claims
- 2655US9694784B2Webbing take-up deviceYAMADA KAZUHIRO·Filed 2014·Granted Jul 4, 2017·1 cites·5 claims
- 2755US9688239B2Webbing take-up deviceKK TOKAI-RIKA-DENKI-SEISAKUSHO·Filed 2014·Granted Jun 27, 2017·1 cites·9 claims
- 2854US8727258B2Webbing winding deviceTAKAMATSU HITOSHI·Filed 2011·Granted May 20, 2014·2 cites·5 claims
- 2954US5938138AWebbing retractorTOKAI RIKA CO LTD·Filed 1997·Granted Aug 17, 1999·20 cites·15 claims
- 3050US2009126489A1Acceleration sensorTOKAI RIKA CO LTD·Filed 2008·Application pending·0 cites
- 3145US9283930B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2014·Granted Mar 15, 2016·0 cites·5 claims
- 3244US9358950B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2013·Granted Jun 7, 2016·0 cites·4 claims
- 3344US9212023B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2013·Granted Dec 15, 2015·0 cites·5 claims
- 3443US9283927B2Webbing take-up deviceHATA YASUNORI·Filed 2012·Granted Mar 15, 2016·0 cites·9 claims
- 3543US8991735B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2013·Granted Mar 31, 2015·0 cites·8 claims
- 3642US8550394B2Webbing take-up deviceONO TAKASHI·Filed 2011·Granted Oct 8, 2013·0 cites·10 claims
- 3741US2005224623A1Webbing retractorTOKAI RIKA CO LTD·Filed 2003·Application pending·0 cites
- 3840US2019135226A1Seatbelt deviceTOKAI RIKA CO LTD·Filed 2017·Application pending·0 cites
- 3939US2019092276A1Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2017·Application pending·0 cites
- 4038US10214178B2Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2015·Granted Feb 26, 2019·0 cites·7 claims
- 4137US9527474B2Webbing take-up deviceTAKAMATSU HITOSHI·Filed 2011·Granted Dec 27, 2016·0 cites·2 claims
- 4236US2011290930A1Webbing retractor and method of manufacturing rotation detecting memberTATSUMA ATSUSHI·Filed 2011·Application pending·0 cites
- 4336US2011290927A1Webbing take-up deviceTATSUMA ATSUSHI·Filed 2011·Application pending·0 cites
- 4435US2018297553A1Webbing take-up deviceTOKAI RIKA CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →