Inventor · disambiguated record
Hiroyuki Sogawa
Also filed as: SOGAWA HIROYUKI
8 granted patents·487 citations·filing 1985–1994
90Inventor score
Files withSONY CORP8
Top patents by PatentIndex Score
8 records- 0188US5022486ASound reproducing apparatusSONY CORP·Filed 1989·Granted Jun 11, 1991·65 cites·53 claims
- 0287US5495534AAudio signal reproducing apparatusSONY CORP·Filed 1994·Granted Feb 27, 1996·105 cites·1 claims
- 0375US5276740AEarphone deviceSONY CORP·Filed 1993·Granted Jan 4, 1994·137 cites·5 claims
- 0475US5181248AAcoustic signal reproducing apparatusSONY CORP·Filed 1991·Granted Jan 19, 1993·54 cites·5 claims
- 0573US5452359AAcoustic signal reproducing apparatusSONY CORP·Filed 1991·Granted Sep 19, 1995·55 cites·11 claims
- 0672US5062140AInduction speakerSONY CORP·Filed 1989·Granted Oct 29, 1991·51 cites·26 claims
- 0738US4726443ADiaphragmSONY CORP·Filed 1985·Granted Feb 23, 1988·13 cites·10 claims
- 0834US5228089AHearing aidSONY CORP·Filed 1991·Granted Jul 13, 1993·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →