Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209606 | Optical fiber unit and optical fiber cable | Fumiaki Sato | 2021-12-28 |
| 11181709 | Manufacturing method of optical fiber ribbon and manufacturing apparatus thereof | Fumiaki Sato, Shigeru Suemori, Masahiko Ishikawa, Fumikazu YOSHIZAWA | 2021-11-23 |
| 11156190 | Occlusion diagnosis device | Michinori Tani, Ikue HABU, Daijiro Nakamura | 2021-10-26 |
| 11150338 | Azimuth calculation device and azimuth calculation method | Yasuhiro KURONO | 2021-10-19 |
| 11022749 | Optical fiber | Keisei MORITA, Sotaro IDA | 2021-06-01 |
| 11009668 | Optical fiber ribbon and optical fiber cable | Fumiaki Sato | 2021-05-18 |
| 10934963 | Abnormality assessment device of internal combustion engine | Toru Sekiguchi, Takashi Konomoto, Taku Hirota | 2021-03-02 |
| 10928276 | Blockage detection device and blockage detection method | Michinori Tani, Ikue HABU, Daijiro Nakamura | 2021-02-23 |
| 10908354 | Optical fiber | Keisei MORITA, Sotaro IDA | 2021-02-02 |