Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543178 | Intra-line fishing rod | Shoichi Koganei, Masaru Akiba, Tomoyoshi Tsurufuji, Yutaka Kurano, Toyoaki Takimoto +1 more | 2003-04-08 |
| 6408562 | Intra-line fishing rod | Shoichi Koganei, Masaru Akiba, Tomoyoshi Tsurufuji, Yutaka Kurano, Toyoaki Takimoto +1 more | 2002-06-25 |
| 6334272 | Fishing rod with inserted fishline | Masaru Akiba, Masayuki Nakagawa, Tomoyoshi Tsurufuji, Koichi Ito | 2002-01-01 |
| 6128849 | Fishing rod with pre-inserted fishing line guide members and method of manufacturing the same | Hiroshi Oda, Tomoyoshi Tsurufuji | 2000-10-10 |
| 6048425 | Fishing rod with pre-inserted fishing line guide members and method of manufacturing the same | Hiroshi Oda, Tomoyoshi Tsurufuji | 2000-04-11 |
| 5979103 | Fishing rod with pre-inserted fishing line guide members and method of manufacturing the same | Hiroshi Oda, Tomoyoshi Tsurufuji | 1999-11-09 |
| 5647162 | Fishing rod with inserted fishline | Masaru Akiba, Masayuki Nakagawa, Tomoyoshi Tsurufuji, Koichi Ito | 1997-07-15 |
| 5076004 | Fishing rod and production method thereof | Hiroyasu Suzue, Eiji Sugaya, Toshiaki Esashika | 1991-12-31 |