Inventor · disambiguated record
Koji Otsuka
Also filed as: OTSUKA KOJI
64 granted patents·8 pending applications·577 citations·filing 1977–2023
98Inventor score
Top patents by PatentIndex Score
72 records- 0197US7714360B2Surface-stabilized semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2007·Granted May 11, 2010·64 cites·7 claims
- 0296US9651888B2Electroconductive member with a surface layer including a porous body having a continuous open poreCANON KK·Filed 2014·Granted May 16, 2017·33 cites·10 claims
- 0393US4101449ACatalyst and its method of preparationFUJIMI ABRASIVE·Filed 1977·Granted Jul 18, 1978·97 cites·9 claims
- 0491US8748786B2Multi-component food packaging for microwave ovenBIRCHMEIER KATHRYN MARIE·Filed 2010·Granted Jun 10, 2014·6 cites·11 claims
- 0591US7998645B2Method for finishing surface of preliminary polished glass substrateASAHI GLASS CO LTD·Filed 2010·Granted Aug 16, 2011·11 cites·8 claims
- 0690US7173311B2Light-emitting semiconductor device with a built-in overvoltage protectorSANKEN ELECTRIC CO LTD·Filed 2005·Granted Feb 6, 2007·26 cites·21 claims
- 0789US7622050B2Process for polishing glass substrateASAHI GLASS CO LTD·Filed 2006·Granted Nov 24, 2009·16 cites·5 claims
- 0886US8460843B2Method for finishing surface of preliminary polished glass substrateOTSUKA KOJI·Filed 2011·Granted Jun 11, 2013·6 cites·7 claims
- 0985US7491983B2Nitride-based semiconductor device of reduced current leakageSANKEN ELECTRIC CO LTD·Filed 2006·Granted Feb 17, 2009·10 cites·10 claims
- 1084US7400000B2Nitride-based semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2005·Granted Jul 15, 2008·9 cites·15 claims
- 1183US7745850B2Nitride-based semiconductor device with reduced leakage currentSANKEN ELECTRIC CO LTD·Filed 2006·Granted Jun 29, 2010·11 cites·13 claims
- 1282US10511900B2HeadphoneAUDIO TECHNICA KK·Filed 2018·Granted Dec 17, 2019·5 cites·7 claims
- 1382USD642484SContainerKRAFT FOODS GLOBAL BRANDS LLC·Filed 2010·Granted Aug 2, 2011·31 cites·1 claims
- 1481USD642937SContainerKRAFT FOODS GLOBAL BRANDS LLC·Filed 2010·Granted Aug 9, 2011·29 cites·1 claims
- 1581US7803280B2Method for finishing surface of preliminary polished glass substrateASAHI GLASS CO LTD·Filed 2009·Granted Sep 28, 2010·5 cites·20 claims
- 1679US9737085B2Multi-component food packaging for microwave ovenKRAFT FOODS GROUP BRANDS LLC·Filed 2014·Granted Aug 22, 2017·5 cites·3 claims
- 1778US10312015B2Electronic componentTAIYO YUDEN KK·Filed 2017·Granted Jun 4, 2019·1 cites·7 claims
- 1876US7692298B2III-V nitride semiconductor device comprising a concave shottky contact and an ohmic contactSANKEN ELECTRIC CO LTD·Filed 2005·Granted Apr 6, 2010·8 cites·10 claims
- 1975US9158275B2Blower pipe, blowing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Granted Oct 13, 2015·2 cites·18 claims
- 2075US6667081B1Pouch and method of producing film for pouchDAINIPPON PRINTING CO LTD·Filed 1999·Granted Dec 23, 2003·66 cites·26 claims
- 2174US12119166B2Method for manufacturing an electronic componentTAIYO YUDEN KK·Filed 2020·Granted Oct 15, 2024·0 cites·17 claims
- 2274US9042787B2Grid electrode, charging device, and image forming apparatusFUJI XEROX CO LTD·Filed 2012·Granted May 26, 2015·1 cites·16 claims
- 2374US8759766B2Air supply tube, air supply device, and image forming apparatusMOMOMURA YASUNORI·Filed 2012·Granted Jun 24, 2014·3 cites·10 claims
- 2474US8002468B2Bag with pouring spoutDAINIPPON PRINTING CO LTD·Filed 2006·Granted Aug 23, 2011·12 cites·7 claims
- 2573US7675076B2Nitride-based semiconductor device of reduced voltage dropSANKEN ELECTRIC CO LTD·Filed 2006·Granted Mar 9, 2010·4 cites·14 claims
- 2672USD643310SContainerKRAFT FOODS GLOBAL BRANDS LLC·Filed 2010·Granted Aug 16, 2011·19 cites·1 claims
- 2771USD643309SContainerKRAFT FOODS GLOBAL BRANDS LLC·Filed 2010·Granted Aug 16, 2011·18 cites·1 claims
- 2870US10679786B2Electronic componentTAIYO YUDEN KK·Filed 2018·Granted Jun 9, 2020·0 cites·8 claims
- 2970USD627330SAmplifierAUDIO TECHNICA KK·Filed 2010·Granted Nov 16, 2010·16 cites·1 claims
- 3070US6431956B1Surface treatment in a fabrication of a multilayered chip componentTAIYO YUDEN KK·Filed 2000·Granted Aug 13, 2002·11 cites·20 claims
- 3169US9044788B2Blowing target structure, and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Granted Jun 2, 2015·1 cites·18 claims
- 3269US7656925B2Two-dimensional photonic crystal surface emitting laserUNIV KYOTO·Filed 2008·Granted Feb 2, 2010·3 cites·17 claims
- 3368US7518154B2Nitride semiconductor substrate and semiconductor element built thereonSANKEN ELECTRIC CO LTD·Filed 2004·Granted Apr 14, 2009·14 cites·15 claims
- 3467US10714266B2Electronic component and method of manufacturing the sameTAIYO YUDEN KK·Filed 2019·Granted Jul 14, 2020·0 cites·15 claims
- 3566US8137574B2Processing method of glass substrate, and highly flat and highly smooth glass substrateOTSUKA KOJI·Filed 2008·Granted Mar 20, 2012·4 cites·28 claims
- 3665US6896754B2Dustfree filling and sealing apparatus, dustfree container and wrapping clean film producing methodDAINIPPON PRINTING CO LTD·Filed 2002·Granted May 24, 2005·5 cites·8 claims
- 3764US7923738B2LED array for microdisplays or like applicationSANKEN ELECTRIC CO LTD·Filed 2008·Granted Apr 12, 2011·2 cites·4 claims
- 3862US7671375B2Nitride-based semiconductor device of reduced voltage drop, and method of fabricationSANKEN ELECTRIC CO LTD·Filed 2006·Granted Mar 2, 2010·1 cites·16 claims
- 3962US7456435B2Light-emitting semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2004·Granted Nov 25, 2008·10 cites·4 claims
- 4062US2010224207A1Eyelash CurlerKOJI HONPO CO LTD·Filed 2008·Application pending·0 cites
- 4161US8608350B2Lighting deviceOTSUKA KOJI·Filed 2011·Granted Dec 17, 2013·1 cites·4 claims
- 4259US9098008B2Blowing device and image forming apparatusINAMI KAZUKI·Filed 2012·Granted Aug 4, 2015·1 cites·19 claims
- 4357US8089078B2Light emitting deviceMUROFUSHI HITOSHI·Filed 2009·Granted Jan 3, 2012·3 cites·18 claims
- 4456US7771603B2Process for polishing glass substrateASAHI GLASS CO LTD·Filed 2007·Granted Aug 10, 2010·0 cites·8 claims
- 4555US7186620B2Method of making substrates for nitride semiconductor devicesSANKEN ELECTRIC CO LTD·Filed 2004·Granted Mar 6, 2007·5 cites·13 claims
- 4653US10431387B2Electronic component and method of manufacturing the sameTAIYO YUDEN KK·Filed 2017·Granted Oct 1, 2019·0 cites·9 claims
- 4752US9837213B2Ceramic electronic componentTAIYO YUDEN KK·Filed 2014·Granted Dec 5, 2017·0 cites·15 claims
- 4852US8182708B2Method of finishing pre-polished glass substrate surfaceOTSUKA KOJI·Filed 2007·Granted May 22, 2012·0 cites·20 claims
- 4952US2023256342A1Recording medium and information processing deviceSEGA CORP·Filed 2023·Application pending·0 cites
- 5051US10204615B2Noise-cancelling headphoneOTSUKA KOJI·Filed 2017·Granted Feb 12, 2019·0 cites·14 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →