Issued Patents 2020
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10775555 | Optical fiber line and optical fiber line manufacturing method | Masato Suzuki, Yoshinori Yamamoto, Takemi Hasegawa, Suguru Takasaki, Saori Kubara | 2020-09-15 |
| 10723650 | Optical fiber preform | Keisei MORITA, Hirotaka Sakuma | 2020-07-28 |
| 10656326 | Optical fiber | Hirotaka Sakuma, Yuki Kawaguchi | 2020-05-19 |
| 10656329 | Optical fiber | Hirotaka Sakuma, Keisei MORITA, Yuki Kawaguchi | 2020-05-19 |
| 10585234 | Coupled multicore optical fiber and optical transmission system including same | Takemi Hasegawa, Tetsuya Hayashi | 2020-03-10 |
| 10550030 | Optical fiber | Hirotaka Sakuma, Keisei MORITA | 2020-02-04 |