KO

Koichiro Okumura

NE Nec: 12 patents #1,037 of 14,502Top 8%
NC Nippon Electric Co.: 2 patents #117 of 792Top 15%
Overall (All Time): #357,410 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
5892260 SOI-type semiconductor device with variable threshold voltages Susumu Kurosawa 1999-04-06
5814899 SOI-type semiconductor device with variable threshold voltages Susumu Kurosawa 1998-09-29
5760444 Silicon on insulator type semiconductor device 1998-06-02
5680069 Driver/receiver circuit including receiver circuit with p-channel MOSFET and N-channel MOSFET 1997-10-21
5631478 Semiconductor integrated circuits with specific pitch multilevel interconnections 1997-05-20
5593923 Method of fabricating semiconductor device having refractory metal silicide layer on impurity region using damage implant and single step anneal Tadahiko Horiuchi, Takashi Ishigami, Hiroyuki Nakamura, Tohru Mogami, Hitoshi Wakabayashi +1 more 1997-01-14
5543744 Driver/receiver circuit for reducing transmission delay 1996-08-06
5247214 Bi-CMOS out buffer circuit for CMOS logic 1993-09-21
5159214 BiCMOS logic circuit 1992-10-27
4680488 MOSFET-type driving circuit with capacitive bootstrapping for driving a large capacitive load at high speed Masayoshi Ohkawa 1987-07-14
4635229 Semiconductor memory device including non-volatile transistor for storing data in a bistable circuit Takeshi Watanabe 1987-01-06
4587446 Field effect transistor output circuit operable by a reduced amount of current 1986-05-06
4481521 Insulated gate field effect transistor provided with a protective device for a gate insulating film 1984-11-06
4295061 Latch circuit Saburo Tokoda, Eiji Sugimoto 1981-10-13