Inventor · disambiguated record
Yoshio Otsuka
Also filed as: OTSUKA YOSHIO · TOKUNAGA MASAYUKI
11 granted patents·3 pending applications·403 citations·filing 1979–2021
88Inventor score
Files withFUJIKOSHI MACHINERY CORP8NISSAN MOTOR3FUJIKOSHI KIKAI KOGYO KK1NIPPO TSUSHIN KOGYO KK1PANASONIC IP MAN CO LTD1
Top patents by PatentIndex Score
14 records- 0196US4680785APersonal-signaling communication systemNIPPO TSUSHIN KOGYO KK·Filed 1984·Granted Jul 14, 1987·316 cites·4 claims
- 0285US11674238B2Crucible for growing metal oxide single crystalFUJIKOSHI MACHINERY CORP·Filed 2021·Granted Jun 13, 2023·1 cites·6 claims
- 0380US4808275AMethod for forming corrosion resistant coating on a disc brakeNISSAN MOTOR·Filed 1987·Granted Feb 28, 1989·55 cites·12 claims
- 0471US9017146B2Wafer polishing apparatusFUJIKOSHI MACHINERY CORP·Filed 2013·Granted Apr 28, 2015·2 cites·29 claims
- 0569US6319100B1Disk edge polishing machine and disk edge polishing systemFUJIKOSHI KIKAI KOGYO KK·Filed 2000·Granted Nov 20, 2001·16 cites·15 claims
- 0661US4264111AHydraulic anti-skid deviceNISSAN MOTOR·Filed 1979·Granted Apr 28, 1981·8 cites·9 claims
- 0757US11795568B2Production apparatus for gallium oxide crystal capable of preventing harmful substances formed in furnace from being diffused to surroundings of furnaceFUJIKOSHI MACHINERY CORP·Filed 2021·Granted Oct 24, 2023·0 cites·3 claims
- 0857US11674239B2Gallium oxide crystal manufacturing deviceFUJIKOSHI MACHINERY CORP·Filed 2021·Granted Jun 13, 2023·0 cites·6 claims
- 0954US2022243357A1Production apparatus for gallium oxide crystal and production method for gallium oxide crystalFUJIKOSHI MACHINERY CORP·Filed 2021·Application pending·0 cites
- 1053US2022112622A1Production apparatus for gallium oxide crystalFUJIKOSHI MACHINERY CORP·Filed 2021·Application pending·0 cites
- 1148US9379684B2RecorderPANASONIC IP MAN CO LTD·Filed 2014·Granted Jun 28, 2016·0 cites·5 claims
- 1245US7163053B2Heat exchangerFUJIKOSHI MACHINERY CORP·Filed 2004·Granted Jan 16, 2007·0 cites·20 claims
- 1343US4240672ASkid control systemNISSAN MOTOR·Filed 1979·Granted Dec 23, 1980·5 cites·7 claims
- 1438US2002056548A1Heat exchangerFUJIKOSHI MACHINERY CORP·Filed 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yoshio Otsuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →