Inventor · disambiguated record
Kazuyasu Motoyama
Also filed as: MOTOYAMA KAZUYASU
23 granted patents·231 citations·filing 1975–1991
95Inventor score
Files withOLYMPUS OPTICAL CO23
Top patents by PatentIndex Score
23 records- 0186US4837758AMagneto-optical recording reproducing device having field applying meansOLYMPUS OPTICAL CO·Filed 1986·Granted Jun 6, 1989·35 cites·7 claims
- 0283US4724962ADisk jacketOLYMPUS OPTICAL CO·Filed 1986·Granted Feb 16, 1988·34 cites·12 claims
- 0382US4420216AConnecting deviceOLYMPUS OPTICAL CO·Filed 1981·Granted Dec 13, 1983·42 cites·5 claims
- 0478US4021856ACassette tape recorderOLYMPUS OPTICAL CO·Filed 1975·Granted May 3, 1977·19 cites·46 claims
- 0568US4345286APower supply device for a multifunction apparatus having a plurality of power sourcesOLYMPUS OPTICAL CO·Filed 1980·Granted Aug 17, 1982·14 cites·5 claims
- 0656US4628390AFoot switch apparatus for a transcriberOLYMPUS OPTICAL CO·Filed 1984·Granted Dec 9, 1986·9 cites·7 claims
- 0751US5159584ABias-Magnetic field generating system of photo-magnetic recording deviceOLYMPUS OPTICAL CO·Filed 1991·Granted Oct 27, 1992·9 cites·3 claims
- 0851US4373172ATape recorderOLYMPUS OPTICAL CO·Filed 1980·Granted Feb 8, 1983·7 cites·12 claims
- 0950US4370684ATape recorder with automatic tape end stopping and alarm generationOLYMPUS OPTICAL CO·Filed 1980·Granted Jan 25, 1983·7 cites·2 claims
- 1049US4417776AConnection terminal device for electrical implementsOLYMPUS OPTICAL CO·Filed 1981·Granted Nov 29, 1983·11 cites·18 claims
- 1149US4385332ATape cassette lid opening device for magnetic recording tape driving apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted May 24, 1983·7 cites·7 claims
- 1248US4417135APower saving electronic counter circuit for tape recorderOLYMPUS OPTICAL CO·Filed 1980·Granted Nov 22, 1983·7 cites·9 claims
- 1348US4319295ACassette tape recorderOLYMPUS OPTICAL CO·Filed 1980·Granted Mar 9, 1982·5 cites·15 claims
- 1447US4340951AOperation mode display apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted Jul 20, 1982·6 cites·15 claims
- 1541US4385228ADisplay device for tape recorder with automatic shut off and reset inhibitingOLYMPUS OPTICAL CO·Filed 1980·Granted May 24, 1983·4 cites·9 claims
- 1639US4134145ATape recorder with cue/review switchingOLYMPUS OPTICAL CO·Filed 1976·Granted Jan 9, 1979·3 cites·12 claims
- 1737US4348701AMode switching circuitOLYMPUS OPTICAL CO·Filed 1980·Granted Sep 7, 1982·3 cites·9 claims
- 1836US4334253ATape recorderOLYMPUS OPTICAL CO·Filed 1980·Granted Jun 8, 1982·2 cites·17 claims
- 1935US4351009AApparatus for moving the pinch roller and the magnetic head of a tape recorderOLYMPUS OPTICAL CO·Filed 1980·Granted Sep 21, 1982·3 cites·4 claims
- 2034US4463397ACassette tape recorderOLYMPUS OPTICAL CO·Filed 1981·Granted Jul 31, 1984·1 cites·11 claims
- 2132US4422107ATape recorder control system for automatically reversing tapeOLYMPUS OPTICAL CO·Filed 1982·Granted Dec 20, 1983·1 cites·4 claims
- 2232US4270685ACapstan bearing deviceOLYMPUS OPTICAL CO·Filed 1980·Granted Jun 2, 1981·1 cites·1 claims
- 2330US4461967ASupport for a rotational speed detecting mechanism on a flat motorOLYMPUS OPTICAL CO·Filed 1982·Granted Jul 24, 1984·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →