Inventor · disambiguated record
Masamichi Ogawa
Also filed as: OGAWA MASAMICHI
5 granted patents·79 citations·filing 1990–1993
81Inventor score
Files withSONY CORP5
Top patents by PatentIndex Score
5 records- 0168US5373173AApparatus for semiconductor laserSONY CORP·Filed 1993·Granted Dec 13, 1994·25 cites·10 claims
- 0258US5331659AOptical semiconductor deviceSONY CORP·Filed 1993·Granted Jul 19, 1994·21 cites·14 claims
- 0355US5099295ACompound semiconductor device which utilizes an electron supply layer which has a graded composition so that a constituent varies in percentage composition from one side to the otherSONY CORP·Filed 1990·Granted Mar 24, 1992·18 cites·1 claims
- 0453US5379314ASemiconductor laser and method of manufacturing semiconductor laserSONY CORP·Filed 1993·Granted Jan 3, 1995·14 cites·14 claims
- 0529US5412223ASemiconductor device exploiting a quantum interference effectSONY CORP·Filed 1993·Granted May 2, 1995·1 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Masamichi Ogawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →