Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890017 | CMOS-BiCMOS gate circuit | Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura | 1989-12-26 |
| 4879480 | Bicmos gate array | Yukio Suzuki, Masahiro Iwamura, Shinji Kadono, Akiro Uragami, Masayoshi Yoshimura +1 more | 1989-11-07 |
| 4860148 | Semiconductor integrated circuit device with a protective circuit | Masahiro Iwamura, Hideaki Uchida | 1989-08-22 |
| 4858189 | Semiconductor integrated circuit | Katsumi Ogiue, Yukio Suzuki, Masanori Odaka, Hideaki Uchida | 1989-08-15 |
| 4853560 | Logic circuit and semiconductor integrated circuit device capable of operating by different power supplies | Masahiro Iwamura, Hideo Maejima | 1989-08-01 |
| 4829201 | Gate circuit of combined field-effect and bipolar transistors | Kazuo Kato, Takao Sasayama, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura | 1989-05-09 |
| 4813020 | Semiconductor device | Masahiro Iwamura | 1989-03-14 |
| 4808850 | Composite circuit of bipolar transistors and field effect transistors | Masahiro Iwamura, Motohisa Nishihara | 1989-02-28 |
| 4801983 | Schottky diode formed on MOSFET drain | Masahiro Ueno, Masahiro Iwamura, Kozaburo Kurita | 1989-01-31 |
| 4797583 | Level converting circuit for converting voltage levels, including a current amplifying arrangement | Masahiro Ueno, Kozaburo Kurita, Nobuaki Miyakawa | 1989-01-10 |