MI

Masahiro Iwamura

HI Hitachi: 89 patents #45 of 28,497Top 1%
FU Fujikura: 1 patents #788 of 1,407Top 60%
HC Hitachi Haramachi Electronics Co.: 1 patents #22 of 64Top 35%
Overall (All Time): #18,065 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 76–90 of 90 patents

Patent #TitleCo-InventorsDate
4849658 Dynamic logic circuit including bipolar transistors and field-effect transistors Takashi Hotta, Hideo Maejima 1989-07-18
4829201 Gate circuit of combined field-effect and bipolar transistors Ikuro Masuda, Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki 1989-05-09
4813020 Semiconductor device Ikuro Masuda 1989-03-14
4808850 Composite circuit of bipolar transistors and field effect transistors Ikuro Masuda, Motohisa Nishihara 1989-02-28
4801983 Schottky diode formed on MOSFET drain Masahiro Ueno, Kozaburo Kurita, Ikuro Masuda 1989-01-31
4789958 Carry-look-ahead adder including bipolar and MOS transistors Hideo Maejima, Takashi Hotta, Ikuro Masuda, Kouzaburou Kurita, Masahiro Ueno 1988-12-06
4769561 Bipolar transistor-field effect transistor composite circuit Ikuro Masuda 1988-09-06
4727517 Semiconductor memory with column line voltage sitting circuit Masahiro Ueno, Kozaburo Kurita, Hideo Maejima, Ikuro Masuda, Tetsuo Nakano 1988-02-23
4719373 Gate circuit of combined field-effect and bipolar transistors Ikuro Masuda, Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki 1988-01-12
4694203 High speed bi-comos switching circuit Akira Uragami, Yukio Suzuki, Ikuro Masuda 1987-09-15
4694202 Bi-MOS buffer circuit Ikuro Masuda 1987-09-15
4689503 Level conversion circuitry for a semiconductor integrated circuit utilizing bis CMOS circuit elements Yukio Suzuki, Ikuro Masuda, Shinji Kadono, Akira Uragami, Masayoshi Yoshimura +1 more 1987-08-25
4678943 Inverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced dissipation Akira Uragami, Yukio Suzuki, Shinji Kadono, Ikuro Masuda, Tatsumi Yamauchi 1987-07-07
4661723 Composite circuit of bipolar transistors and field effect transistors Ikuro Masuda, Motohisa Nishihara 1987-04-28
4228430 CRT Display apparatus with changeable cursor indicia Nagaharu Hamada, Schigeo Kuboki, Ken′ichi Fukushima 1980-10-14