Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871608 | High-density wiring multilayered substrate | Asao Morikawa, Hiroshi Iwata, Yoshimasa Shibata | 1989-10-03 |
| 4861625 | Method of manufacturing a thermal printing head having a partially-glazed ceramic substrate | Tatsunori Kurachi | 1989-08-29 |
| 4858030 | Reproducing apparatus of a video disc player | Masuo Oku, Yoshimichi Kudo, Tomomitsu Kuroyanagi, Hisanobu Tsukazaki, Tetsuya Ikeda +2 more | 1989-08-15 |
| 4839313 | Glaze compositions for ceramic substrates | Tatsunori Kurachi, Masahiko Okuyama | 1989-06-13 |
| 4837408 | High density multilayer wiring board and the manufacturing thereof | Asao Morikawa, Hiroshi Iwata | 1989-06-06 |
| 4810528 | Process for producing multilayer circuit board | Hisaharu Shiromizu, Asao Morikawa, Tsuneyuki Sukegawa | 1989-03-07 |
| 4801067 | Method of connecting metal conductor to ceramic substrate | Tsuneyuki Sukegawa, Asao Morikawa | 1989-01-31 |