Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292610 | Optical fiber cable | — | 2025-05-06 |
| 11513302 | Optical fiber cable and cable core production method | — | 2022-11-29 |
| 9604742 | Method for packing cable | Masayoshi Tsukamoto, Noboru Okada, Shigeo Kimura, Shigeo Kihara, Keiichiro Sugimoto +1 more | 2017-03-28 |
| 8412011 | Optical fiber cable | Masayoshi Tsukamoto, Mitsuru Iwano, Yoshihisa Rintsu, Masanobu Aragaki, Masaki Nishiguchi | 2013-04-02 |
| 7813606 | Optical fiber cable | Masayoshi Tsukamoto, Mitsuru Iwano, Yoshihisa Rintsu, Masanobu Aragaki, Masaki Nishiguchi | 2010-10-12 |
| 6785452 | Fiber optic cable with cushioning member | — | 2004-08-31 |
| 6694078 | Optical fiber cable | Ichiro Kobayashi | 2004-02-17 |