Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395248 | Signal detector, carrier phase retrieval apparatus, carrier phase retrieval method and carrier phase retrieval program | Koki Shibahara, Yutaka Miyamoto | 2025-08-19 |
| 12224797 | Optical wireless communication device and optical wireless communication method | Kazumitsu SAKAMOTO, Yohei Katayama, Kento YOSHIZAWA, Takeshi Kinoshita, Etsushi Yamazaki +1 more | 2025-02-11 |
| 12206458 | Communication apparatus and optical communication system | Yohei Katayama, Kazumitsu SAKAMOTO, Kento YOSHIZAWA, Hiroyuki Fukumoto, Takuya Ohara +2 more | 2025-01-21 |
| 12206450 | Phase difference distribution estimation method and phase difference distribution estimation apparatus | Yohei Katayama, Kazumitsu SAKAMOTO, Kento YOSHIZAWA, Hiroyuki Fukumoto, Takuya Ohara +2 more | 2025-01-21 |
| 12176952 | Signal detection apparatus, signal detection method and program | Koki Shibahara, Yutaka Miyamoto | 2024-12-24 |
| 12149285 | Optical wireless communication system and optical wireless communication method | Kazumitsu SAKAMOTO, Yohei Katayama, Kento YOSHIZAWA, Takeshi Kinoshita, Etsushi Yamazaki +1 more | 2024-11-19 |
| 12034269 | Light amplifying relay system | Koki Shibahara, Akira Isoda, Takayuki Kobayashi, Yutaka Miyamoto | 2024-07-09 |
| 11977099 | Method for manufacturing semiconductor device | Tomohisa Ohtaki, Ryo HIRANO, Toru Fujimura, Shigehiko Kato, Yasuhiko Nara +3 more | 2024-05-07 |
| 11888522 | Optical transmission system and optical transmission method | Koki Shibahara, Yutaka Miyamoto | 2024-01-30 |
| 11888281 | Multimode optical amplifier | Hirotaka Ono, Koki Shibahara, Yutaka Miyamoto | 2024-01-30 |
| 11888584 | Optical transmission system, optical transmission apparatus and optical transmission method | Koki Shibahara, Yutaka Miyamoto | 2024-01-30 |
| 11770205 | Optical signal processing apparatus, optical signal processing method and computer program | Koki Shibahara, Yutaka Miyamoto | 2023-09-26 |
| 11709199 | Evaluation apparatus for semiconductor device | Tomohisa Ohtaki, Ryo HIRANO, Toru Fujimura, Shigehiko Kato, Yasuhiko Nara +3 more | 2023-07-25 |
| 11625027 | Monitoring system, monitoring method, and storage medium | — | 2023-04-11 |
| 11552714 | Signal separating apparatus and signal separating method | Kohki Shibahara, Akira Isoda, Yutaka Miyamoto | 2023-01-10 |
| 11476635 | Optically amplified repeater system and optical amplifier | Akira Isoda, Kohki Shibahara, Mitsunori Fukutoku, Yutaka Miyamoto | 2022-10-18 |
| 11438071 | Optical repeater | Hirotaka Ono, Koki Shibahara, Yutaka Miyamoto | 2022-09-06 |
| 11391756 | Probe module and probe | Ryo HIRANO, Tomohisa Ohtaki, Toru Fujimura, Shigehiko Kato, Yasuhiko Nara +3 more | 2022-07-19 |
| 11349564 | Crosstalk estimation system | Akira Isoda, Koki Shibahara, Takayuki Kobayashi, Yutaka Miyamoto | 2022-05-31 |
| 11116118 | Tape feeder set-up system | Takanori Takagi | 2021-09-07 |
| 11101914 | Optical transmission system and optical transmission method | Koki Shibahara, Yutaka Miyamoto | 2021-08-24 |
| 10985846 | Signal separating apparatus and signal separating method | Kohki Shibahara, Akira Isoda, Yutaka Miyamoto | 2021-04-20 |
| 10782340 | Dynamic response analysis prober device | Masaaki Komori, Katsuo Oki, Yasuhiko Nara | 2020-09-22 |
| 10536238 | Optical transmission system, optical transmission apparatus, and optical reception apparatus | Kohki Shibahara, Hiroto Kawakami, Yutaka Miyamoto | 2020-01-14 |
| 10299419 | Tape feeder | Keita Tanaka | 2019-05-21 |