Inventor · disambiguated record
Matsuo Ichikawa
Also filed as: ICHIKAWA MATSUO
11 granted patents·266 citations·filing 1978–1993
91Inventor score
Top patents by PatentIndex Score
11 records- 0191US5719448ABonding pad structures for semiconductor integrated circuitsSEIKO EPSON CORP·Filed 1993·Granted Feb 17, 1998·147 cites·27 claims
- 0281USD256057SFog lightICHIKAWA PRESS IND·Filed 1978·Granted Jul 22, 1980·15 cites·1 claims
- 0372US5003375AMIS type semiconductor integrated circuit device having a refractory metal gate electrode and refractory metal silicide film covering the gate electrodeSEIKO EPSON CORP·Filed 1990·Granted Mar 26, 1991·35 cites·23 claims
- 0465USD270190SFog lightICHIKAWA PRESS IND·Filed 1980·Granted Aug 16, 1983·9 cites·1 claims
- 0563USD291252SFog lightICHIKAWA PRESS IND·Filed 1984·Granted Aug 4, 1987·8 cites·1 claims
- 0655USD293824SVehicle lightICHIKAWA PRESS IND·Filed 1985·Granted Jan 19, 1988·7 cites·1 claims
- 0755USD289554SCombined auxiliary light and cover thereforICHIKAWA PRESS IND·Filed 1984·Granted Apr 28, 1987·6 cites·1 claims
- 0845US5399514AMethod for manufacturing improved lightly doped diffusion (LDD) semiconductor deviceSEIKO EPSON CORP·Filed 1993·Granted Mar 21, 1995·11 cites·14 claims
- 0942US4560582AMethod of preparing a semiconductor deviceSUWA SEIKOSHA KK·Filed 1984·Granted Dec 24, 1985·11 cites·5 claims
- 1042US4276584AAutomotive headlightICHIKAWA PRESS IND·Filed 1978·Granted Jun 30, 1981·7 cites·5 claims
- 1138US5138425ASemiconductor integrated circuit device with nitride barrier layer ion implanted with resistivity decreasing elementsSEIKO EPSON CORP·Filed 1991·Granted Aug 11, 1992·10 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Matsuo Ichikawa 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 →