Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029477 | Optical fiber cable | Fumiaki Sato, Yoshiaki Nagao, Ken Takahashi, Takao HIRAMA | 2021-06-08 |
| 11029478 | Polyethylene resin for use in spacer for optical fiber cable and spacer for optical fiber cable using the same | Fumiaki Sato, Kentaro Takeda, Takao HIRAMA, Taro Fujita, Ken Takahashi | 2021-06-08 |
| 6905646 | Methods of producing synthetic resin wire | Nobumasa Nirasawa, Saburo Yoshimura, Hironori Matsumoto | 2005-06-14 |
| 6471892 | Method of producing tape type optical fiber core wire | Ken Takahashi, Shigenori Takaki, Tomoyuki Hattori, Toshihisa Sato, Kohei Kobayashi +1 more | 2002-10-29 |
| 6028976 | Split type ribbon optical fiber core cable | Toshihisa Sato, Tomoyuki Hattori, Kohei Kobayashi, Kaoru Okuno, Ken Takahashi | 2000-02-22 |
| 5945173 | Method of making optical fiber ribbon | Tomoyuki Hattori, Toshihisa Sato, Kohei Kobayashi, Kaoru Okuno, Ken Takahashi | 1999-08-31 |
| 5904883 | Method for producing optical fiber ribbon | Tomoyuki Hattori, Toshihisa Sato, Kohei Kobayashi, Kaoru Okuno, Ken Takahashi +1 more | 1999-05-18 |