Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890080 | Electromagnetic relay with an operation indicating member | — | 1989-12-26 |
| 4887059 | Iron core of electromagnet and method of producing the same | Katsuhiko Asano | 1989-12-12 |
| 4871129 | Speed change of fishing reel | — | 1989-10-03 |
| 4853740 | Recording apparatus capable of multiple recording on one or both sides of a sheet | Yukihide Ushio, Kenjiro Hori, Kaoru Seto, Toshio Yoshimoto | 1989-08-01 |
| 4813629 | Fishing reel having a waterproof drag mechanism | Nobuyuki Yamaguchi | 1989-03-21 |
| 4812351 | Magnetic recording medium | Tsutomu Okita, Masashi Aonuma | 1989-03-14 |
| 4810435 | Method of making substrate for magnetic recording medium | Koh Kamada, Tsutomu Okita | 1989-03-07 |