HI

Hiroshi Iwahashi

KT Kabushiki Kaisha Toshiba: 93 patents #96 of 21,451Top 1%
TO Toshiba: 28 patents #2 of 2,688Top 1%
TL Tosbac Computer System Company Limited: 2 patents #1 of 14Top 8%
TE Tokyo Shibaura Electric: 1 patents #96 of 337Top 30%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
Overall (All Time): #9,350 of 4,157,543Top 1%
124
Patents All Time

Issued Patents All Time

Showing 76–100 of 124 patents

Patent #TitleCo-InventorsDate
4959816 Semiconductor integrated circuit Hideo Kato, Yuuichi Tatsumi 1990-09-25
4949152 Semiconductor integrated circuit Masamichi Asano 1990-08-14
4937700 Semiconductor integrated circuit with a circuit limiting an input voltage to a predetermined voltage 1990-06-26
4922133 Voltage detecting circuit Hiroto Nakai, Masamichi Asano 1990-05-01
4916334 High voltage booster circuit for use in EEPROMs Hidenobu Minagawa, Yuuichi Tatsumi, Masamichi Asano, Mizuho Imai 1990-04-10
4905314 Semiconductor integrated circuit device having an object circuit to which output voltages of the sub- and main booster circuits are applied Hideo Kato, Masamichi Asano, Akira Narita, Shinichi Kikuchi 1990-02-27
4882507 Output circuit of semiconductor integrated circuit device Yuuichi Tatsumi, Hidenobu Minagawa, Masamichi Asano, Mizuho Imai 1989-11-21
4858192 Semiconductor memory device with redundancy circuit Yuuichi Tatsumi, Hidenobu Minagawa, Masamichi Asano, Mizuho Imai 1989-08-15
4845680 Nonvolatile semiconductor memory device 1989-07-04
4831592 Nonvolatile semiconductor memory device Hiroto Nakai, Masamichi Asano, Isao Sato, Shigeru Kumagai, Kazuto Suzuki 1989-05-16
4821237 Semiconductor memory device 1989-04-11
4819212 Nonvolatile semiconductor memory device with readout test circuitry Hiroto Nakai, Masamichi Asano, Isao Sato, Shigeru Kumagai, Kazuto Suzuki 1989-04-04
4805150 Programmable semiconductor memory device having grouped high voltage supply circuits for writing data Masami Asano 1989-02-14
4804929 Control pulse generator Hideo Kato, Masamichi Asano, Akira Narita, Shinichi Kikuchi 1989-02-14
4799195 Semiconductor memory device with a sense amplifier Masamichi Asano 1989-01-17
4794562 Electrically-erasable/programmable nonvolatile semiconductor memory device Hideo Kato, Masamichi Asano, Akira Narita, Shinichi Kikuchi 1988-12-27
4715017 Semiconductor memory device with plural latches for read out 1987-12-22
4697101 Read/write control circuit Masamichi Asano, Masaki Momodomi, Hidenobu Minagawa, Kazuto Suzuki, Akira Narita 1987-09-29
4692834 Electrostatic discharge protection circuit with variable limiting threshold for MOS device Masamichi Asano, Akira Narita 1987-09-08
4677591 Semiconductor memory device 1987-06-30
4639895 Semiconductor memory device Kiyofumi Ochii 1987-01-27
4635232 Semiconductor memory device Fujio Masuoka 1987-01-06
4613957 Semiconductor memory device having a sense amplifier circuit 1986-09-23
4612462 Logic circuit having voltage booster Masamichi Asano 1986-09-16
4611301 Read only memory Masamichi Asano, Hidenobu Minagawa 1986-09-09