Inventor · disambiguated record
Tsutomu Toyoguchi
Also filed as: TOYOGUCHI TSUTOMU
10 granted patents·264 citations·filing 1984–2020
90Inventor score
Top patents by PatentIndex Score
10 records- 0193US5022023ADisc drive arrangement for CD player and the like capable of loading different size discsSONY CORP·Filed 1988·Granted Jun 4, 1991·67 cites·9 claims
- 0290US4731777AOptical disk playerSONY CORP·Filed 1985·Granted Mar 15, 1988·55 cites·7 claims
- 0385US4592039ADisc playerSONY CORP·Filed 1984·Granted May 27, 1986·35 cites·11 claims
- 0484US4794588AOptical disk playerSONY CORP·Filed 1987·Granted Dec 27, 1988·43 cites·3 claims
- 0579US4628498ADisc loading apparatus for use in a disc playerSONY CORP·Filed 1985·Granted Dec 9, 1986·30 cites·6 claims
- 0667US11950049B2Acoustic reflector, speaker unit, and chairSONY GROUP CORP·Filed 2020·Granted Apr 2, 2024·1 cites·9 claims
- 0760US5293550ACassette loading mechanism for a recording and reproducing apparatusSONY CORP·Filed 1992·Granted Mar 8, 1994·13 cites·11 claims
- 0857US5596561AShifting device and loading device for disc-shaped recording mediumSONY CORP·Filed 1995·Granted Jan 21, 1997·14 cites·10 claims
- 0950US11477556B2Sound collecting deviceSONY CORP·Filed 2019·Granted Oct 18, 2022·0 cites·20 claims
- 1044US5708538ADrive arrangement for both a cassette loading mechanism and a tape loading mechanism of a recording and reproducing apparatusSONY CORP·Filed 1992·Granted Jan 13, 1998·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →