Inventor · disambiguated record
Steven Ryutaro Takayama
Also filed as: TAKAYAMA STEVEN · TAKAYAMA STEVEN R · TAKAYAMA STEVEN RYUTARO
56 granted patents·7 pending applications·1,440 citations·filing 1998–2023
99Inventor score
Files withLOGITECH EUROPE SA17DOLBY LABORATORIES LICENSING CORP11HUMANGEAR INC5CISCO TECH IND3LUKIC BRANKO3
Top patents by PatentIndex Score
63 records- 0198USD858481SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2018·Granted Sep 3, 2019·109 cites·1 claims
- 0297USD872049SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2018·Granted Jan 7, 2020·81 cites·1 claims
- 0397USD871368SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2018·Granted Dec 31, 2019·70 cites·1 claims
- 0497US6647652B1Display board systemSTEELCASE DEV INC·Filed 2000·Granted Nov 18, 2003·112 cites·94 claims
- 0597USD427985STelephone base unitCISCO TECH INC·Filed 1999·Granted Jul 11, 2000·75 cites·1 claims
- 0696USD857655SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2018·Granted Aug 27, 2019·63 cites·1 claims
- 0795USD706743SSpeaker housingLOGITECH EUROP SA·Filed 2012·Granted Jun 10, 2014·70 cites·1 claims
- 0895US7325343B2Display board systemSTEELCASE DEV INC·Filed 2002·Granted Feb 5, 2008·53 cites·23 claims
- 0994USD851062SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Jun 11, 2019·49 cites·1 claims
- 1093US11391449B1Adjustable mounted portable lightLOGITECH EUROPE SA·Filed 2021·Granted Jul 19, 2022·7 cites·20 claims
- 1192USD486806SWireless communications deviceVOCERA COMMUNICATIONS INC·Filed 2001·Granted Feb 17, 2004·45 cites·1 claims
- 1289USD913990SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2019·Granted Mar 23, 2021·24 cites·1 claims
- 1389USD788070SSpeaker housingLOGITECH EUROPE SA·Filed 2016·Granted May 30, 2017·27 cites·1 claims
- 1489USD723514SSpeakerLOGITECH EUROP SA·Filed 2014·Granted Mar 3, 2015·55 cites·1 claims
- 1589USD472227STelephone base unitCISCO TECH IND·Filed 2001·Granted Mar 25, 2003·39 cites·1 claims
- 1688US6941691B2Display board systemSTEELCASE DEV CORP·Filed 2003·Granted Sep 13, 2005·29 cites·34 claims
- 1788USD434918SChairSTEELCASE INC·Filed 1999·Granted Dec 12, 2000·36 cites·1 claims
- 1887US6272779B1Display board systemSTEELCASE DEV INC·Filed 1998·Granted Aug 14, 2001·55 cites·25 claims
- 1987US6263602B1Display board systemSTEELCASE INC·Filed 1998·Granted Jul 24, 2001·62 cites·52 claims
- 2085US10857661B2Telescoping eating utensilHUMANGEAR INC·Filed 2019·Granted Dec 8, 2020·4 cites·18 claims
- 2185USD486807SWireless communications deviceVOCERA COMMUNICATIONS INC·Filed 2002·Granted Feb 17, 2004·31 cites·1 claims
- 2284USD931063SStackable containerHUMANGEAR INC·Filed 2019·Granted Sep 21, 2021·21 cites·1 claims
- 2380USD1032048SMountable lightLOGITECH EUROPE SA·Filed 2023·Granted Jun 18, 2024·6 cites·1 claims
- 2480USD1014809SLight assemblyLOGITECH EUROPE SA·Filed 2021·Granted Feb 13, 2024·8 cites·1 claims
- 2579USD1023386SMountable lightLOGITECH EUROPE SA·Filed 2022·Granted Apr 16, 2024·6 cites·1 claims
- 2679USD862997SExtendable forkHUMANGEAR INC·Filed 2018·Granted Oct 15, 2019·17 cites·1 claims
- 2779US6619753B2Car seat having buckle with visual feedbackEVENFLO CO INC·Filed 2001·Granted Sep 16, 2003·33 cites·21 claims
- 2879USD420538SChairSTEELCASE INC·Filed 1998·Granted Feb 15, 2000·23 cites·1 claims
- 2978US11503194B1Coupling system for a peripheral deviceLOGITECH EUROPE SA·Filed 2021·Granted Nov 15, 2022·1 cites·21 claims
- 3078US7137581B2Methods and apparatus for an improved rotary graterZYLISS USA CORP·Filed 2004·Granted Nov 21, 2006·32 cites·12 claims
- 3178US6971197B1Display board systemSTEELCASE DEV CORP·Filed 2000·Granted Dec 6, 2005·16 cites·21 claims
- 3278USD428000STelephone extension moduleCISCO TECH INC·Filed 1999·Granted Jul 11, 2000·21 cites·1 claims
- 3377USD778875SSpeakerLOGITECH EUROPE SA·Filed 2015·Granted Feb 14, 2017·20 cites·1 claims
- 3476USD921607SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2019·Granted Jun 8, 2021·12 cites·1 claims
- 3574USD1033402SWireless microphoneLOGITECH EUROPE SA·Filed 2021·Granted Jul 2, 2024·5 cites·1 claims
- 3672USD862996SExtendable spoonHUMANGEAR INC·Filed 2018·Granted Oct 15, 2019·12 cites·1 claims
- 3771US9462865B2Foldable electronic device caseLOGITECH EUROPE SA·Filed 2015·Granted Oct 11, 2016·2 cites·24 claims
- 3866US8944251B1Packaging deviceUCAN PRODUCTS INC·Filed 2014·Granted Feb 3, 2015·4 cites·19 claims
- 3965USD1033403SWireless microphone with a coverLOGITECH EUROPE SA·Filed 2021·Granted Jul 2, 2024·3 cites·1 claims
- 4065US6637826B2Car seat having looped adjustable shoulder harnessesEVENFLO CO INC·Filed 2001·Granted Oct 28, 2003·18 cites·23 claims
- 4163USD909341SDock for headphonesDOLBY LABORATORIES LICENSING CORP·Filed 2018·Granted Feb 2, 2021·7 cites·1 claims
- 4262US6445793B1Adjustable telephone system and methodCISCO TECH IND·Filed 1999·Granted Sep 3, 2002·36 cites·9 claims
- 4361USD904337SHeadphonesDOLBY LABORATORIES LICENSING CORP·Filed 2019·Granted Dec 8, 2020·6 cites·1 claims
- 4459USD677445SContainer for food waste or other materialLUKIC BRANKO·Filed 2012·Granted Mar 5, 2013·1 cites·1 claims
- 4554US2008023434A1Method and Apparatus for a Removable Handle for a BottleTAKAYAMA STEVEN RYUTARO·Filed 2007·Application pending·0 cites
- 4653USD517871SRotary graterZYLISS USA CORP·Filed 2004·Granted Mar 28, 2006·9 cites·1 claims
- 4752US2011316319A1FootrestLUKIC BRANKO·Filed 2009·Application pending·0 cites
- 4851US10608452B2Device charging systemLOGITECH EUROPE SA·Filed 2019·Granted Mar 31, 2020·0 cites·20 claims
- 4951USD597754SFootrestLUKIC BRANKO·Filed 2008·Granted Aug 11, 2009·8 cites·1 claims
- 5050US11860690B2Clamping system for a computer peripheral deviceLOGITECH EUROPE SA·Filed 2021·Granted Jan 2, 2024·0 cites·10 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →