Inventor · disambiguated record
Tsuneyuki Koyama
Also filed as: KOYAMA TSUNEYUKI
5 granted patents·160 citations·filing 1978–1983
82Inventor score
Top patents by PatentIndex Score
5 records- 0191US4336559ARecorded tape travel control systemKOYAMA TSUNEYUKI·Filed 1978·Granted Jun 22, 1982·110 cites·6 claims
- 0278US4583189AMicroprocessor-based scan-mode keying circuitVICTOR COMPANY OF JAPAN·Filed 1983·Granted Apr 15, 1986·29 cites·4 claims
- 0348US4554604AVideo signal recording and/or reproducing apparatus having a function to temporarily stop recordingVICTOR COMPANY OF JAPAN·Filed 1983·Granted Nov 19, 1985·7 cites·10 claims
- 0448US4528604ATape end detecting device in a recording and/or reproducing apparatus for a miniature type tape cassetteVICTOR COMPANY OF JAPAN·Filed 1983·Granted Jul 9, 1985·7 cites·7 claims
- 0547US4589045AState indicator device for indicating states of recording and tapeVICTOR COMPANY OF JAPAN·Filed 1983·Granted May 13, 1986·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →