Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181709 | Manufacturing method of optical fiber ribbon and manufacturing apparatus thereof | Fumiaki Sato, Hiroki Ishikawa, Masahiko Ishikawa, Fumikazu YOSHIZAWA | 2021-11-23 |
| 6615571 | Apparatus and method for assembling optical cable | Takehiko Okada, Masakazu Watanabe | 2003-09-09 |
| 6344086 | Extrusion coating apparatus | Takehiko Okada, Yasushi Ito | 2002-02-05 |
| 6190583 | Apparatus and method for making slotted rod for optical cable | Takehiko Okada, Shigeki Yasui | 2001-02-20 |
| 6054070 | Method of manufacturing a self-support optical cable | Noboru Tokairin, Masahiro Eguchi | 2000-04-25 |
| 6024319 | Tension control apparatus | Saburo Kawabata | 2000-02-15 |
| 5536528 | Method and apparatus for stranding tape-shaped optical fibers | Takashi Tanaka, Kazuhiro Hamada, Takehiko Okada | 1996-07-16 |