Issued Patents 2024
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181707 | Multi-core optical fiber and design method | Kazuhide NAKAJIMA, Taiji SAKAMOTO, Yuto SAGAE | 2024-12-31 |
| 12174413 | Long period fiber grating and optical transmission system | Ryota IMADA, Yoko YAMASHITA, Taiji SAKAMOTO, Nobutomo HANZAWA, Noriyuki Araki +3 more | 2024-12-24 |
| 12158607 | Propagation mode loss difference compensator | Yoko YAMASHITA, Kazuhide NAKAJIMA | 2024-12-03 |
| 12134736 | Method of producing coal blend and method of producing coke | Daisuke Igawa, Yusuke Dohi | 2024-11-05 |
| 12117645 | Multicore optical fiber and design method | Kazuhide NAKAJIMA | 2024-10-15 |
| 12120770 | Communication apparatus capable of communicating with other devices, control method of communication apparatus, and storage medium | — | 2024-10-15 |
| 12085749 | Optical fiber evaluation device and optical fiber evaluation method | Nobutomo HANZAWA, Yuto SAGAE, Kazuhide NAKAJIMA | 2024-09-10 |
| 12037546 | Method of estimating surface tension of coal and method of producing coke | Daisuke Igawa, Yusuke Dohi | 2024-07-16 |
| 12019267 | Multicore optical fiber and design method | Taiji SAKAMOTO, Kazuhide NAKAJIMA, Kyozo Tsujikawa, Kunimasa Saitoh, Takeshi Fujisawa | 2024-06-25 |
| 11912940 | Method of producing coal mixture and method of producing coke | Yusuke Dohi, Mikiya Nagayama | 2024-02-27 |
| 11906783 | Core position grasping method, connection method, and connection device | Yoko YAMASHITA, Masaki Wada, Kazuhide NAKAJIMA | 2024-02-20 |
| 11899237 | Multicore optical fiber, method of designing multicore optical fiber, and optical transmission method | Kazuhide NAKAJIMA | 2024-02-13 |