Inventor · disambiguated record
Yasunobu Kosa
Also filed as: KOSA YASUNOBU · NAKAJIMA JOH
27 granted patents·1,679 citations·filing 1970–1995
98Inventor score
Top patents by PatentIndex Score
27 records- 0198US5006909ADram with a vertical capacitor and transistorMOTOROLA INC·Filed 1989·Granted Apr 9, 1991·224 cites·12 claims
- 0297US4471373ASemiconductor integrated circuit device with memory MISFETS and thin and thick gate insulator MISFETSHITACHI LTD·Filed 1981·Granted Sep 11, 1984·154 cites·8 claims
- 0396US4651406AForming memory transistors with varying gate oxide thicknessesHITACHI LTD·Filed 1986·Granted Mar 24, 1987·187 cites·6 claims
- 0495US4994404AMethod for forming a lightly-doped drain (LDD) structure in a semiconductor deviceMOTOROLA INC·Filed 1989·Granted Feb 19, 1991·325 cites·2 claims
- 0593US5739564ASemiconductor device having a static-random-access memory cellMOTOROLA INC·Filed 1995·Granted Apr 14, 1998·114 cites·20 claims
- 0691US4426764ASemiconductor memory device with peripheral circuitsHITACHI LTD·Filed 1981·Granted Jan 24, 1984·51 cites·23 claims
- 0788US5262353AProcess for forming a structure which electrically shields conductorsMOTOROLA INC·Filed 1992·Granted Nov 16, 1993·97 cites·13 claims
- 0888US4373249AMethod of manufacturing a semiconductor integrated circuit deviceHITACHI LTD·Filed 1980·Granted Feb 15, 1983·36 cites·7 claims
- 0985US5364810AMethods of forming a vertical field-effect transistor and a semiconductor memory cellMOTOROLA INC·Filed 1992·Granted Nov 15, 1994·83 cites·20 claims
- 1081US5416736AVertical field-effect transistor and a semiconductor memory cell having the transistorMOTOROLA INC·Filed 1994·Granted May 16, 1995·65 cites·15 claims
- 1179US5345105AStructure for shielding conductorsMOTOROLA INC·Filed 1993·Granted Sep 6, 1994·56 cites·18 claims
- 1276US4110899AMethod for manufacturing complementary insulated gate field effect transistorsHITACHI LTD·Filed 1977·Granted Sep 5, 1978·30 cites·8 claims
- 1372US5158901AField effect transistor having control and current electrodes positioned at a planar elevated surface and method of formationMOTOROLA INC·Filed 1991·Granted Oct 27, 1992·56 cites·8 claims
- 1471US4451904ASemiconductor memory deviceHITACHI LTD·Filed 1981·Granted May 29, 1984·33 cites·6 claims
- 1570US4079504AMethod for fabrication of n-channel MIS deviceHITACHI LTD·Filed 1976·Granted Mar 21, 1978·25 cites·3 claims
- 1668US4011581AMOSFET antiparasitic layerHITACHI LTD·Filed 1970·Granted Mar 8, 1977·15 cites·15 claims
- 1758US5536674AProcess for forming a static-random-access memory cellMOTOROLA INC·Filed 1994·Granted Jul 16, 1996·16 cites·27 claims
- 1857US5126285AMethod for forming a buried contactMOTOROLA INC·Filed 1990·Granted Jun 30, 1992·29 cites·2 claims
- 1955US3946425AMulti-emitter transistor having heavily doped N+ regions surrounding base region of transistorsHITACHI LTD·Filed 1974·Granted Mar 23, 1976·10 cites·13 claims
- 2052US4926222ASemiconductor memory device and a method of manufacturing the sameHITACHI LTD·Filed 1983·Granted May 15, 1990·9 cites·40 claims
- 2149US4356041AMethod of fabricating a mis-type device by using a gate electrode and selectively implanted nitride layerHITACHI LTD·Filed 1980·Granted Oct 26, 1982·14 cites·16 claims
- 2247US4764479ASemiconductor integrated circuit device and method of manufacturing the sameHITACHI LTD·Filed 1986·Granted Aug 16, 1988·8 cites·8 claims
- 2344US5057893AStatic RAM cell with soft error immunityMOTOROLA INC·Filed 1990·Granted Oct 15, 1991·11 cites·3 claims
- 2443US5214301AField effect transistor having control and current electrodes positioned at a planar elevated surfaceMOTOROLA INC·Filed 1992·Granted May 25, 1993·15 cites·20 claims
- 2542US4199778AInterconnection structure for semiconductor integrated circuitsHITACHI LTD·Filed 1977·Granted Apr 22, 1980·8 cites·7 claims
- 2639US4818718AMethod of manufacturing semiconductor memory deviceHITACHI LTD·Filed 1986·Granted Apr 4, 1989·5 cites·18 claims
- 2731US4012763ASemiconductor device having insulator film with different prescribed thickness portionsHITACHI LTD·Filed 1973·Granted Mar 15, 1977·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →