Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379398 | Measurement system | Toshinaga Takeya, Hisao Narita | 2025-08-05 |
| 12360155 | Optical probe, probe card, measuring system, and measuring method | Yuki Saito, Jukiya Fukushi | 2025-07-15 |
| 12031921 | Measurement system | Yuki Saito, Hisao Narita, Shou Harako, Jukiya Fukushi | 2024-07-09 |
| 11971431 | Optical probe, optical probe array, optical probe card, and method of manufacturing optical probe | Yuki Saito, Jukiya Fukushi, Shou Harako | 2024-04-30 |
| 11971296 | Measurement system and measurement method | Yuki Saito, Hisao Narita, Shou Harako, Jukiya Fukushi, Tomokazu SAITO +1 more | 2024-04-30 |
| 11624679 | Optical probe, optical probe array, test system and test method | Yuki Saito, Toshinaga Takeya, Shou Harako, Jukiya Fukushi, Minoru Sato +1 more | 2023-04-11 |
| 7366366 | FBG sensing system | Yusuke Takei, Hiromi AJIMA | 2008-04-29 |
| 6992825 | Volume phase grating, a method for producing such a volume phase grating, an optical module and a semiconductor laser module using such a volume phase grating | — | 2006-01-31 |
| 6658189 | Broadband amplified spontaneous emission light source | Hiromi AJIMA, Yusuke Takei, Yukiko Furukata | 2003-12-02 |
| 6208457 | Optical fiber coupler, method for producing the same and optical amplifier using the same | Hiromi AJIMA | 2001-03-27 |
| 5802224 | Optical coupler for performing light branching and light mixing/branch filtering in a light communication network | Kiyohiko Kuramoto | 1998-09-01 |
| 5452122 | Element for optical isolator and optical isolator employing the same, together with semiconductor laser module employing the optical isolator element | Tukiko Tsuneda, Yasushi Sato | 1995-09-19 |
| 5410626 | Optical coupler having a tapered fused region | Tetsuya Suga, Akio Tsugawa, Kiyohiko Kuramoto | 1995-04-25 |
| 5402260 | Element for optical isolator and optical isolator employing the same, together with semiconductor laser module employing the optical isolator element | Yukiko Tsuneda, Yasushi Sato | 1995-03-28 |