Inventor · disambiguated record
Koichi Oyama
Also filed as: OYAMA KOICHI
21 granted patents·6 pending applications·207 citations·filing 1991–2025
93Inventor score
Files withDENSO CORP17RISO KAGAKU CORP4SONY CORP3GRAPHIC COMMUNICATION TECH LTD1MIYAKOSHI PRINTING MACHINERY CO LTD1
Top patents by PatentIndex Score
27 records- 0189US6779198B1Data processing apparatus, data processing method, and recording mediumSONY CORP·Filed 2000·Granted Aug 17, 2004·45 cites·26 claims
- 0279US8004594B2Apparatus, method, and program for controlling display of moving and still imagesSONY CORP·Filed 2008·Granted Aug 23, 2011·6 cites·8 claims
- 0377US10459217B2Optical scanning apparatus having pivoting reflector and piezoelectric elementDENSO CORP·Filed 2016·Granted Oct 29, 2019·2 cites·4 claims
- 0474US6343379B1Receiver and program updating methodSONY CORP·Filed 1999·Granted Jan 29, 2002·91 cites·39 claims
- 0570US2025079807A1Semiconductor optical amplifierDENSO CORP·Filed 2024·Application pending·0 cites
- 0665US12360405B2Optical semiconductor deviceDENSO CORP·Filed 2022·Granted Jul 15, 2025·0 cites·17 claims
- 0765US11480679B2Distance measurement sensorDENSO CORP·Filed 2019·Granted Oct 25, 2022·1 cites·27 claims
- 0862US12498480B2Distance measuring deviceDENSO CORP·Filed 2022·Granted Dec 16, 2025·0 cites·11 claims
- 0962US5707057ASheet feeding deviceRISO KAGAKU CORP·Filed 1995·Granted Jan 13, 1998·14 cites·9 claims
- 1061US2025284150A1Optical phase shifterDENSO CORP·Filed 2025·Application pending·0 cites
- 1160US12149053B2Semiconductor deviceDENSO CORP·Filed 2023·Granted Nov 19, 2024·0 cites·6 claims
- 1258US12374866B2Beam deflection systemDENSO CORP·Filed 2021·Granted Jul 29, 2025·0 cites·20 claims
- 1358US11764546B2Semiconductor laser deviceDENSO CORP·Filed 2021·Granted Sep 19, 2023·0 cites·11 claims
- 1458US7460888B2Mobile terminal device protected against impactNEC CORP·Filed 2004·Granted Dec 2, 2008·3 cites·20 claims
- 1558US2025277934A1Optical waveguide structureDENSO CORP·Filed 2025·Application pending·0 cites
- 1657US12271095B2Optical scanner having optical phased array, and computer program product for controlling optical phased arrayDENSO CORP·Filed 2022·Granted Apr 8, 2025·0 cites·8 claims
- 1757US11955772B2Semiconductor light emitting elementDENSO CORP·Filed 2021·Granted Apr 9, 2024·0 cites·18 claims
- 1856US6508168B1Stencil printerRISO KAGAKU CORP·Filed 2000·Granted Jan 21, 2003·6 cites·18 claims
- 1956US2025044583A1Optical deflector and optical scanning deviceDENSO CORP·Filed 2024·Application pending·0 cites
- 2054US5099329ANoise reduction method and device for image signalGRAPHIC COMMUNICATION TECH LTD·Filed 1991·Granted Mar 24, 1992·19 cites·5 claims
- 2150US10843487B2Ink drying apparatus for drying ink by heat after printingMIYAKOSHI PRINTING MACHINERY CO LTD·Filed 2019·Granted Nov 24, 2020·0 cites·9 claims
- 2246US5558019ARotary printing machineRISO KAGAKU CORP·Filed 1995·Granted Sep 24, 1996·12 cites·8 claims
- 2346US2014320943A1Optical scanning deviceDENSO CORP·Filed 2014·Application pending·0 cites
- 2440US11353561B2Distance measuring sensorDENSO CORP·Filed 2018·Granted Jun 7, 2022·0 cites·13 claims
- 2539US10108005B2Optical scanner having a variable focus mirrorDENSO CORP·Filed 2015·Granted Oct 23, 2018·0 cites·8 claims
- 2637US2019064509A1Variable focus mirror and optical scanning deviceDENSO CORP·Filed 2017·Application pending·0 cites
- 2736US5609101AInk container holding device in rotary printing machineRISO KAGAKU CORP·Filed 1995·Granted Mar 11, 1997·8 cites·12 claims
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