Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930119 | Duplex system of transmission lines in a loop network | Yutaka Iwagaki, Mitsuyo Hasegawa, Kazushi Suganuma | 1990-05-29 |
| 4914259 | Molded circuit board | Hirokazu Shiroishi | 1990-04-03 |
| 4908940 | Method of manufacturing two-layer printed circuit sheet | Toshiaki Amano, Tomoya Kato, Yoshihiro Onuma | 1990-03-20 |
| 4888792 | Multi-level quadrature amplitude modulation and demodulation system | Takeshi Yagi | 1989-12-19 |
| 4846709 | Reinforced connection for a chemical connector and method of constructing therefor | Hideto Tachibana | 1989-07-11 |
| 4740578 | Process for producing polythiobisphenols and process for producing mercaptophenols by the hydrogenolysis of the same | Akira Onoe, Masao Kawamura, Tadaaki Nishi, Masato Yoshikawa | 1988-04-26 |