Inventor · disambiguated record
Kouichi Nagasawa
Also filed as: NAGASAWA KOUICHI
16 granted patents·329 citations·filing 1977–1991
95Inventor score
Top patents by PatentIndex Score
16 records- 0180US5005068ASemiconductor memory deviceHITACHI LTD·Filed 1989·Granted Apr 2, 1991·39 cites·45 claims
- 0277US4890148ASemiconductor memory cell device with thick insulative layerHITACHI LTD·Filed 1988·Granted Dec 26, 1989·49 cites·17 claims
- 0376US4110899AMethod for manufacturing complementary insulated gate field effect transistorsHITACHI LTD·Filed 1977·Granted Sep 5, 1978·30 cites·8 claims
- 0473US4803534ASemiconductor device sram to prevent out-diffusionHITACHI LTD·Filed 1986·Granted Feb 7, 1989·36 cites·24 claims
- 0573US4734383AFabricating semiconductor devices to prevent alloy spikingHITACHI LTD·Filed 1985·Granted Mar 29, 1988·26 cites·20 claims
- 0671US4805143ARead-only memoryHITACHI LTD·Filed 1987·Granted Feb 14, 1989·27 cites·28 claims
- 0764US4792841ASemiconductor devices and a process for producing the sameHITACHI LTD·Filed 1984·Granted Dec 20, 1988·15 cites·29 claims
- 0861US4637124AProcess for fabricating semiconductor integrated circuit deviceHITACHI LTD·Filed 1985·Granted Jan 20, 1987·20 cites·16 claims
- 0959US4549340AMethod of making CMOS semiconductor device using specially positioned, retained masks, and product formed therebyHITACHI LTD·Filed 1983·Granted Oct 29, 1985·21 cites·48 claims
- 1055US4912674ARead-only memoryHITACHI LTD·Filed 1989·Granted Mar 27, 1990·15 cites·24 claims
- 1151US4626450AProcess for producing semiconductor devicesHITACHI LTD·Filed 1985·Granted Dec 2, 1986·19 cites·21 claims
- 1247US5122857ASemiconductor memory device having first and second selecting lines for accessing memory cellsHITACHI LTD·Filed 1991·Granted Jun 16, 1992·10 cites·25 claims
- 1346US4990998ASemiconductor device to prevent out-diffusion of impurities from one conductor layer to anotherHITACHI LTD·Filed 1989·Granted Feb 5, 1991·11 cites·24 claims
- 1441US5028975ASemiconductor devices and a process for producing the sameHITACHI LTD·Filed 1990·Granted Jul 2, 1991·7 cites·61 claims
- 1534US5055420AProcess for fabricating semiconductor integrated circuit devicesHITACHI LTD·Filed 1989·Granted Oct 8, 1991·3 cites·37 claims
- 1631US4243897ACharge coupled semiconductor device storing 2-bit informationMITSUBISHI ELECTRIC CORP·Filed 1978·Granted Jan 6, 1981·1 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Kouichi Nagasawa 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 →