Inventor · disambiguated record
Hazime Osada
Also filed as: OSADA HAZIME
4 granted patents·7 citations·filing 1980–1985
64Inventor score
Technology areasG11B
Files withOLYMPUS OPTICAL CO4
Top patents by PatentIndex Score
4 records- 0135US4346415ACassette tape recorderOLYMPUS OPTICAL CO·Filed 1980·Granted Aug 24, 1982·3 cites·4 claims
- 0232US4525760AOperating lever device of a magnetic recording tape driving apparatusOLYMPUS OPTICAL CO·Filed 1982·Granted Jun 25, 1985·2 cites·9 claims
- 0330US4577245AOperating lever device of magnetic recording tape transport apparatusOLYMPUS OPTICAL CO·Filed 1985·Granted Mar 18, 1986·2 cites·10 claims
- 0428US4523247ASignal detection operating lever device of magnetic recording tape reproducing apparatusOLYMPUS OPTICAL CO·Filed 1984·Granted Jun 11, 1985·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hazime Osada 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 →