Inventor · disambiguated record
Jumpei Kumagai
Also filed as: KUMAGAI JUMPEI
12 granted patents·375 citations·filing 1989–1994
93Inventor score
Files withTOSHIBA KK12
Top patents by PatentIndex Score
12 records- 0189US5561308ASemiconductor device including thin film transistorTOSHIBA KK·Filed 1994·Granted Oct 1, 1996·88 cites·18 claims
- 0285US5276343ASemiconductor memory device having a bit line constituted by a semiconductor layerTOSHIBA KK·Filed 1992·Granted Jan 4, 1994·55 cites·6 claims
- 0374US4950617AMethod of manufacturing semiconductor deviceTOSHIBA KK·Filed 1989·Granted Aug 21, 1990·31 cites·15 claims
- 0472US4941031ADynamic memory device with improved wiring layer layoutTOSHIBA KK·Filed 1989·Granted Jul 10, 1990·32 cites·20 claims
- 0571US5013679ACell capacitor of a dynamic random access memory and a method of manufacturing the sameTOSHIBA KK·Filed 1989·Granted May 7, 1991·27 cites·12 claims
- 0668US5430313ATransistor with an offset gate structureTOSHIBA KK·Filed 1994·Granted Jul 4, 1995·24 cites·10 claims
- 0768US5194752ASemiconductor memory deviceTOSHIBA KK·Filed 1991·Granted Mar 16, 1993·25 cites·39 claims
- 0867US5302845ATransistor with an offset gate structureTOSHIBA KK·Filed 1993·Granted Apr 12, 1994·24 cites·44 claims
- 0966US5041887ASemiconductor memory deviceTOSHIBA KK·Filed 1990·Granted Aug 20, 1991·27 cites·8 claims
- 1051US5321300ALaser-broken fuseTOSHIBA KK·Filed 1992·Granted Jun 14, 1994·28 cites·17 claims
- 1146US5324975ASemiconductor memory deviceTOSHIBA KK·Filed 1993·Granted Jun 28, 1994·9 cites·6 claims
- 1237US5016071ADynamic memory deviceTOSHIBA KK·Filed 1989·Granted May 14, 1991·5 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Jumpei Kumagai 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 →