Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209606 | Optical fiber unit and optical fiber cable | Hiroki Ishikawa | 2021-12-28 |
| 11194108 | Slot-type optical cable | Keisuke Okada, Yoshiaki Nagao | 2021-12-07 |
| 11181709 | Manufacturing method of optical fiber ribbon and manufacturing apparatus thereof | Shigeru Suemori, Hiroki Ishikawa, Masahiko Ishikawa, Fumikazu YOSHIZAWA | 2021-11-23 |
| 11163272 | Servo parameter adjustment device and servo parameter adjustment method | Kenji Nakajima, Mamoru Egi, Yasushi Ono | 2021-11-02 |
| 11029478 | Polyethylene resin for use in spacer for optical fiber cable and spacer for optical fiber cable using the same | Ryoei Oka, Kentaro Takeda, Takao HIRAMA, Taro Fujita, Ken Takahashi | 2021-06-08 |
| 11029477 | Optical fiber cable | Yoshiaki Nagao, Ryoei Oka, Ken Takahashi, Takao HIRAMA | 2021-06-08 |
| 11009668 | Optical fiber ribbon and optical fiber cable | Hiroki Ishikawa | 2021-05-18 |
| 10914906 | Optical fiber cable | Kenta TSUCHIYA, Kuushin Ryan | 2021-02-09 |
| 10896843 | Wafer holding device and wafer chucking and dechucking method | Suguru Hirokawa, Masamitsu Shinozuka | 2021-01-19 |