Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368508 | Optical access system, optical transmitter, optical receiver, optical transmission method and demodulation method | Ryo Igarashi | 2025-07-22 |
| 12283993 | Branch ratio calculation method, branch ratio calculation device and computer program | Ryo Igarashi | 2025-04-22 |
| 12273147 | Coherent optical reception device and coherent optical reception method | Ryo Igarashi, Takuya KANAI | 2025-04-08 |
| 12206461 | Optical feeding system | Ryo Igarashi, Takuya KANAI | 2025-01-21 |
| 12199664 | Light leakage confirmation method, light leakage confirmation apparatus and program | Ryo Igarashi, Takuya KANAI | 2025-01-14 |
| 12166532 | Optical receiver and optical receiving method | Junichi KANI | 2024-12-10 |
| 12165712 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Shohei Asami | 2024-12-10 |
| 12143157 | Branch ratio setting system, method for producing optical communication system and optical branch device | Ryo Igarashi, Takuya KANAI | 2024-11-12 |
| 12119869 | Optical amplification estimation method, optical amplification estimation apparatus and computer program | Ryo Igarashi, Takuya KANAI | 2024-10-15 |
| 11956098 | Communication apparatus and communication method | Noriko Iiyama, Hiroo Suzuki, Junichi KANI | 2024-04-09 |
| 11892907 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Kazumasa Yamamoto, Naoaki Kokubun +2 more | 2024-02-06 |
| 11870497 | Optical receiving apparatus, optical transmission system, optical transmission method and computer program | Ryo Igarashi, Takuya KANAI, Junichi KANI | 2024-01-09 |
| 11863211 | Optical communication system and optical communication method | Ryo Igarashi, Kazutaka Hara, Takuya KANAI, Yasutaka Kimura, Atsuko KAWAKITA | 2024-01-02 |
| 11763893 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Shohei Asami | 2023-09-19 |
| 11652554 | Optical receiving apparatus, optical transmission system, optical transmission method and computer program | Ryo Igarashi, Takuya KANAI, Junichi KANI | 2023-05-16 |
| 11621778 | Optical communication system and optical communication method | Ryo Igarashi, Takuya KANAI | 2023-04-04 |
| 11595132 | Signal processing apparatus and optical receiver | Noriko Iiyama, Junichi KANI | 2023-02-28 |
| 11539437 | Signal processing apparatus and optical receiving apparatus | Noriko Iiyama, Junichi KANI | 2022-12-27 |
| 11537465 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Kazumasa Yamamoto, Naoaki Kokubun +2 more | 2022-12-27 |
| 11451305 | Optical receiving apparatus, optical transmitting apparatus, and frequency offset estimation method | Ryo Igarashi, Takuya KANAI | 2022-09-20 |
| 11222703 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Shohei Asami | 2022-01-11 |
| 11008084 | Hybrid type vessel propulsion apparatus | Daisuke Nakamura, Takayoshi Suzuki | 2021-05-18 |
| 10956264 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Kazumasa Yamamoto, Naoaki Kokubun +2 more | 2021-03-23 |
| 10910067 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Shohei Asami | 2021-02-02 |
| 10430275 | Memory system | Tsukasa Tokutomi, Masanobu Shirakawa, Marie Takada, Kazumasa Yamamoto, Naoaki Kokubun +2 more | 2019-10-01 |