Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855612 | Switching current and a relay device employed therein | Katsumi Koyanagi | 1989-08-08 |
| 4831348 | Low profile electromagnetic relay to printed circuit board | Shunichi Agatahama, Ryuichi Sato, Hiroyuki Sagawa, Kazushige Matsuoka | 1989-05-16 |
| 4814944 | Mounting structure for surface mounted type component with projection extending down from lower surface thereof and method of mounting a surface mounted type component on a printed circuit board | Hiroyuki Sagawa, Shunichi Agatahama, Hideyuki Okumura, Kazushige Matsuoka, Ryuichi Sato | 1989-03-21 |