Inventor · disambiguated record
Yoshio Tomizawa
Also filed as: TOMIZAWA YOSHIO
8 granted patents·104 citations·filing 1975–2004
86Inventor score
Top patents by PatentIndex Score
8 records- 0190US4097726ATape ending indicator for tape recorderOLYMPUS OPTICAL CO·Filed 1975·Granted Jun 27, 1978·39 cites·2 claims
- 0282US4420216AConnecting deviceOLYMPUS OPTICAL CO·Filed 1981·Granted Dec 13, 1983·42 cites·5 claims
- 0368US7517507B2Steam reformerT RAD CO LTD·Filed 2004·Granted Apr 14, 2009·9 cites·7 claims
- 0456US7503946B2Autooxidation internal heating type steam reforming systemNIPPON CHEM PLANT CONSULTANT·Filed 2003·Granted Mar 17, 2009·4 cites·20 claims
- 0537US4170790ATape recorder device with tape running speed displayOLYMPUS OPTICAL CO·Filed 1977·Granted Oct 9, 1979·3 cites·11 claims
- 0635US4351009AApparatus 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
- 0733US4393420ATape run speed-changing circuitOLYMPUS OPTICAL CO·Filed 1980·Granted Jul 12, 1983·3 cites·5 claims
- 0828US4370549AElectronic counter circuit for tape recorderOLYMPUS OPTICAL CO·Filed 1980·Granted Jan 25, 1983·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →