Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038571 | Production and use of coolant in cryogenic devices | Kishio Yokouchi, Mitsutaka Yamada, Koichi Niwa | 1991-08-13 |
| 5015314 | Method for production of ceramic circuit board | Hitoshi Suzuki, Hiromitsu Yokoyama, Mineharu Tsukada, Hiromi Ogawa, Koichi Niwa | 1991-05-14 |
| 4954480 | Multi-layer superconducting circuit substrate and process for manufacturing same | Yoshihiko Imanaka, Takato Machi, Kazunori Yamanaka, Hiromitsu Yokoyama, Koichi Niwa | 1990-09-04 |
| 4761325 | Multilayer ceramic circuit board | Kazuaki Kurihara, Hiromitsu Yokoyama, Hiromi Ogawa, Kishio Yokouchi, Yoshihiko Imanaka +1 more | 1988-08-02 |
| 4679320 | Process for producing multilayer ceramic circuit board with copper | Yoshihiko Imanaka, Hiromi Ogawa, Mineharu Tsukada, Etsuro Udagawa, Kazuaki Kurihara +1 more | 1987-07-14 |
| 4642148 | Method for producing a multilayer ceramic circuit board | Kazuaki Kurihara, Hiromitsu Yokoyama, Hiromi Ogawa, Kishio Yokouchi, Yoshihiko Imanaka +1 more | 1987-02-10 |
| 4504339 | Method for producing multilayered glass-ceramic structure with copper-based conductors therein | Kazuaki Kurihara, Koichi Niwa | 1985-03-12 |
| 4346516 | Method of forming a ceramic circuit substrate | Kishio Yokouchi, Hiromi Ogawa, Hiromitsu Yokoyama, Koichi Niwa, Kyohei Murakawa | 1982-08-31 |
| 4313026 | Multilayer circuit boards | Seiichi Yamada, Kaoru Hashimoto, Hiromitsu Yokoyama, Koichi Niwa, Kyohei Murakawa | 1982-01-26 |
| 4217337 | Process for manufacturing an alumina substrate by acid purifying a prefired substrate before final firing | Seiichi Yamada, Kyohei Murakawa | 1980-08-12 |