Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326785 | Transmission side transmission device and redundancy method of transmission side transmission device | Katsuhiro Araya, Yasutaka SUGANO, Masahiro Yokota, Hideki Maeda | 2025-06-10 |
| 12038813 | Transmitting side transmission device, receiving side transmission device, redundancy method of transmitting side transmission device, redundancy method of receiving side transmission device, program, and transmission device | Katsuhiro Araya, Yasutaka SUGANO, Masahiro Yokota, Hideki Maeda | 2024-07-16 |
| 11812205 | Optical cross-connect device, optical transmission system, and optical transmission line connection error detection method | Masatoshi Namiki, Masahiro Yokota, Hiroki Kawahara, Katsuhiro Araya, Masaaki Inami +2 more | 2023-11-07 |
| 11750535 | Transmitting device, receiving device, packet transfer system,packet transfer method, and packet transfer program | Hideki Maeda, Daisaku Shimazaki, Masaaki Inami, Katsuhiro Araya, Masatoshi Namiki +1 more | 2023-09-05 |
| 11696056 | Optical transmission system and optical transmission method | Katsuhiro Araya, Masatoshi Namiki, Hiroki Kawahara, Takeshi Seki | 2023-07-04 |
| 9565064 | Frame transmission apparatus and method for checking normality | Katsumi Shimada, Motohiro TSUJI, Takafumi HAMANO, Masaaki Inami, Kenichi Aoyagi | 2017-02-07 |