Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879480 | Bicmos gate array | Ikuro Masuda, Masahiro Iwamura, Shinji Kadono, Akiro Uragami, Masayoshi Yoshimura +1 more | 1989-11-07 |
| 4858189 | Semiconductor integrated circuit | Katsumi Ogiue, Ikuro Masuda, Masanori Odaka, Hideaki Uchida | 1989-08-15 |
| 4846936 | Method and apparatus for measuring metal exposure in resin covering portion in metal container and constituent member thereof | Michiko Tsurumaru, Fumihiro Tsutsumi, Masato Ashina, Hironori Kobayashi | 1989-07-11 |
| 4833361 | Impregnated cathode having cathode base body and refractory metal support welded together | Masaharu Kumada | 1989-05-23 |
| 4831661 | RF tuning circuit | — | 1989-05-16 |
| 4810377 | Clarification device | Minoru Kato, Sohei Okamoto | 1989-03-07 |