Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905646 | Methods of producing synthetic resin wire | Ryoei Oka, Saburo Yoshimura, Hironori Matsumoto | 2005-06-14 |
| 5661836 | Optical cable and manufacturing method thereof | Hiroaki Sano, Hiroki Ishikawa, Shigeru Tanaka, Kenji Morita, Osamu Kawata +1 more | 1997-08-26 |
| 5315813 | Method and apparatus for manufacturing optical fiber cable | Yasushi Ito | 1994-05-31 |
| 4767184 | Waterproof optical cable | Ichiro Ogasawara, Akira Nishimura | 1988-08-30 |