Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857875 | Yoke | Kenichi Matsuo, Toru Ohara | 1989-08-15 |
| 4816794 | Electromagnetic relay | Hirohumi Nagao, Kenichi Matsuo | 1989-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857875 | Yoke | Kenichi Matsuo, Toru Ohara | 1989-08-15 |
| 4816794 | Electromagnetic relay | Hirohumi Nagao, Kenichi Matsuo | 1989-03-28 |