Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271026 | Resin composition, optical fiber, and method for producing optical fiber | — | 2025-04-08 |
| 12265250 | Resin composition, optical fiber, and method for producing optical fiber | — | 2025-04-01 |
| 12215248 | Resin composition, optical fiber, and method for producing optical fiber using polyol between 8000 and 20000 average molecular weight | — | 2025-02-04 |
| 12054632 | Resin composition, optical fiber, and method for producing optical fiber | — | 2024-08-06 |
| 11914186 | Optical fiber | Katsushi Hamakubo | 2024-02-27 |
| 11629269 | Resin composition, secondary coating material for optical fiber, and optical fiber | Katsushi Hamakubo | 2023-04-18 |
| 11573367 | Resin composition and optical fiber | Katsushi Hamakubo | 2023-02-07 |
| 10509161 | Optical fiber | Kensaku SHIMADA, Kazuyuki SOHMA | 2019-12-17 |
| 10358577 | Ultraviolet-curable resin composition and optical fiber | Kazuyuki SOHMA, Kensaku SHIMADA | 2019-07-23 |
| 10162108 | Optical fiber | Kazuyuki SOHMA, Kensaku SHIMADA | 2018-12-25 |
| 10048436 | Optical fiber | Kazuyuki SOHMA, Kensaku SHIMADA | 2018-08-14 |
| 9829625 | Optical fiber | — | 2017-11-28 |
| 9766397 | Optical fiber and optical fiber ribbon | — | 2017-09-19 |
| 9285536 | Optical fiber and optical fiber cable | Itaru Sakabe | 2016-03-15 |
| 9256041 | Optical fiber cable | Itaru Sakabe | 2016-02-09 |
| 9250387 | Optical fiber and optical cable | Itaru Sakabe | 2016-02-02 |
| 9229159 | Optical fiber | Kazuyuki SOHMA, Itaru Sakabe | 2016-01-05 |
| 9057856 | Optical cable | Itaru Sakabe, Tomoyuki Hattori | 2015-06-16 |
| 9020313 | Optical cable | Itaru Sakabe | 2015-04-28 |
| 8989543 | Optical cable | Itaru Sakabe, Kazuyuki SOHMA | 2015-03-24 |
| 8923674 | Optical fiber and optical cable | Itaru Sakabe | 2014-12-30 |
| 8768130 | Multimode optical fiber | Itaru Sakabe | 2014-07-01 |
| 7962875 | Method, apparatus and program for designing circuits | — | 2011-06-14 |