Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865262 | Reciprocating mechanism for spinning reel for fishing | — | 1989-09-12 |
| 4839773 | Dielectric filter | Youhei Ishikawa, Toshiro Hiratsuka, Hirotsugu Abe | 1989-06-13 |
| 4830306 | Fishing reel leg with soft cover | Toshiaki Yorikane, Hideo Murakami | 1989-05-16 |
| 4821006 | Dielectric resonator apparatus | Youhei Ishikawa, Toshiro Hiratsuka, Hirotsugu Abe | 1989-04-11 |