Inventor · disambiguated record
Masafumi Oikawa
Also filed as: OIKAWA MASAFUMI
38 granted patents·6 pending applications·318 citations·filing 2010–2024
97Inventor score
Top patents by PatentIndex Score
44 records- 0198US8714844B2Intermediate adapter, camera accessory, and exchangeable lensNIKON CORP·Filed 2012·Granted May 6, 2014·33 cites·31 claims
- 0296US8342760B2Camera accessory, camera body, and camera systemNIKON CORP·Filed 2012·Granted Jan 1, 2013·20 cites·18 claims
- 0395USD726240SCamera lensNIKON CORP·Filed 2013·Granted Apr 7, 2015·55 cites·1 claims
- 0495US8757904B2Adapter, camera system, and adapter control programHASUDA MASANORI·Filed 2012·Granted Jun 24, 2014·28 cites·7 claims
- 0595US8746996B2Camera accessory, camera body and camera systemNIKON CORP·Filed 2013·Granted Jun 10, 2014·15 cites·18 claims
- 0694US9774777B2Exchangeable lens and camera bodyNIKON CORP·Filed 2016·Granted Sep 26, 2017·6 cites·46 claims
- 0794US9039309B2Exchangeable lens and camera bodyOIKAWA MASAFUMI·Filed 2012·Granted May 26, 2015·12 cites·20 claims
- 0894US8639111B2Exchangeable lensNIKON CORP·Filed 2012·Granted Jan 28, 2014·14 cites·7 claims
- 0993US10091407B2Exchangeable lens and camera bodyNIKON CORP·Filed 2017·Granted Oct 2, 2018·5 cites·12 claims
- 1093US9491347B2Exchangeable lens and camera bodyNIKON CORP·Filed 2015·Granted Nov 8, 2016·6 cites·13 claims
- 1193US9319577B2Exchangeable lens and camera bodyNIKON CORP·Filed 2015·Granted Apr 19, 2016·6 cites·4 claims
- 1293USD705335SCamera lensOIKAWA MASAFUMI·Filed 2012·Granted May 20, 2014·54 cites·1 claims
- 1392US8400722B2Interchangeable lens, camera body, and electronic deviceIMAFUJI KAZUHARU·Filed 2011·Granted Mar 19, 2013·11 cites·27 claims
- 1490US10979618B2Exchangeable lens and camera bodyNIKON CORP·Filed 2020·Granted Apr 13, 2021·2 cites·15 claims
- 1590US8995069B2Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2013·Granted Mar 31, 2015·7 cites·26 claims
- 1689US10674065B2Exchangeable lens and camera bodyNIKON CORP·Filed 2018·Granted Jun 2, 2020·2 cites·12 claims
- 1788US9823548B2Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2015·Granted Nov 21, 2017·3 cites·18 claims
- 1888US8830606B2Interchangeable lens, camera body, and electronic deviceIMAFUJI KAZUHARU·Filed 2011·Granted Sep 9, 2014·7 cites·24 claims
- 1988US2024305883A1Exchangeable lens and camera bodyNIKON CORP·Filed 2024·Application pending·0 cites
- 2086US9360738B2Camera accessory, camera body and camera systemNIKON CORP·Filed 2015·Granted Jun 7, 2016·3 cites·5 claims
- 2184US8814449B2Adapter, camera system, and adapter control programHASUDA MASANORI·Filed 2012·Granted Aug 26, 2014·6 cites·18 claims
- 2283US8885025B2ProcessorIWABUCHI HIROSHI·Filed 2011·Granted Nov 11, 2014·12 cites·4 claims
- 2383US8755684B2Adapter, camera system, and adapter control programSUGIYAMA HIDEAKI·Filed 2012·Granted Jun 17, 2014·4 cites·37 claims
- 2480US12028608B2Exchangeable lens and camera bodyNIKON CORP·Filed 2022·Granted Jul 2, 2024·0 cites·14 claims
- 2579US9036076B2Interchangeable lens, camera body and camera system for transmitting drive condition information at different frequenciesIMAFUJI KAZUHARU·Filed 2011·Granted May 19, 2015·4 cites·16 claims
- 2677US2023273507A1Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2023·Application pending·0 cites
- 2774US11650483B2Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2021·Granted May 16, 2023·0 cites·9 claims
- 2874US11317012B2Exchangeable lens and camera bodyNIKON CORP·Filed 2021·Granted Apr 26, 2022·0 cites·15 claims
- 2973US2024377713A1Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2024·Application pending·0 cites
- 3070US9323024B2Interchangeable lens, camera body and electronic deviceNIKON CORP·Filed 2014·Granted Apr 26, 2016·1 cites·21 claims
- 3168US11163217B2Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2020·Granted Nov 2, 2021·0 cites·14 claims
- 3265US8515237B2Imaging device and image processing apparatusOIKAWA MASAFUMI·Filed 2010·Granted Aug 20, 2013·1 cites·36 claims
- 3362US9110356B2Camera accessory, camera body and camera systemNIKON CORP·Filed 2014·Granted Aug 18, 2015·0 cites·17 claims
- 3461US10599017B2Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2017·Granted Mar 24, 2020·0 cites·26 claims
- 3561US8971689B2Imaging device and image-audio playback deviceMIYAKAWA YOSHIAKI·Filed 2012·Granted Mar 3, 2015·1 cites·28 claims
- 3659US2013129339A1Interchangeable lens, camera body, and electronic deviceNIKON CORP·Filed 2013·Application pending·0 cites
- 3759US2013084061A1Camera accessory, camera body, and camera systemNIKON CORP·Filed 2012·Application pending·0 cites
- 3857US2016202450A1Interchangeable lens, camera body and electronic deviceNIKON CORP·Filed 2016·Application pending·0 cites
- 3953USRE47352EAdapter, camera system, and adapter control programNIKON CORP·Filed 2016·Granted Apr 16, 2019·0 cites·52 claims
- 4053USRE47109EAdapter, camera system, and adapter control programNIKON CORP·Filed 2016·Granted Oct 30, 2018·0 cites·21 claims
- 4146US8792783B2Exchangeable lensNIKON CORP·Filed 2012·Granted Jul 29, 2014·0 cites·19 claims
- 4246US8693863B2Exchangeable lensNIKON CORP·Filed 2012·Granted Apr 8, 2014·0 cites·11 claims
- 4346US8649677B2Exchangeable lensNIKON CORP·Filed 2012·Granted Feb 11, 2014·0 cites·22 claims
- 4444US8788869B2Interchangeable lens and camera body communicating whether data transmission was normal or abnormalOIKAWA MASAFUMI·Filed 2011·Granted Jul 22, 2014·0 cites·9 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →