Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12058835 | Information processing apparatus and cooling method | Kiichi Koyama, Tatsuya Sudo, Kazuo Tanaka, Hirotaka Shikada, Hiroshi Nagaoka +4 more | 2024-08-06 |
| 11349497 | Transmitter, receiver, communication system, method for changing code rate, control circuit and non-transitory storage medium | Hideo Yoshida | 2022-05-31 |
| 11133824 | Error correction device and optical transmission/reception device | — | 2021-09-28 |
| 11095309 | Error correction decoding device and optical transmission/reception device | Kenji Ishii, Kenya Sugihara, Hideo Yoshida | 2021-08-17 |
| 10917116 | Error correction device and error correction method | Hideo Yoshida, Kenji Ishii, Kenya Sugihara, Takashi Sugihara | 2021-02-09 |
| 10128940 | Optical transmission method and optical transmission system | Hiroki Goto, Tsuyoshi Yoshida, Kiyoshi Onohara, Takashi Sugihara, Tatsuya Kobayashi +2 more | 2018-11-13 |
| 10069585 | Transmission device, communication device and signal transmission system | Yoshiaki Konishi | 2018-09-04 |
| 10057149 | Delay measuring device, measurement object device and communication system | Yuta TAKEMOTO, Yoshiaki Konishi | 2018-08-21 |
| 9973369 | Likelihood generation apparatus and method therefor | Yoshiaki Konishi, Kenya Sugihara, Yoshikuni Miyata, Hideo Yoshida | 2018-05-15 |
| 9780897 | Optical transmission apparatus and optical reception apparatus | Yoshiaki Konishi | 2017-10-03 |
| 9621291 | Optical communication cross-connection devices and signal processing method thereof | Soichiro Kametani, Kazuumi Koguchi, Yoshiaki Konishi | 2017-04-11 |
| 9564974 | Optical transmission device | Yoshiaki Konishi | 2017-02-07 |
| 9356625 | Frame generation method, optical transmission device, and optical transmission system | — | 2016-05-31 |
| 9148175 | Error correction coding device, error correction decoding device and method therefor | Yoshikuni Miyata, Wataru Matsumoto, Hideo Yoshida | 2015-09-29 |
| 9081677 | Method and device for estimating input bit error ratio | Yoshikuni Miyata, Kenya Sugihara, Kiyoshi Onohara, Hideo Yoshida, Takashi Mizuochi | 2015-07-14 |
| 8977927 | Error-correction coding method, error-correction decoding method, error-correction coding apparatus, and error-correction decoding apparatus | Yoshikuni Miyata, Hideo Yoshida, Takashi Mizuochi | 2015-03-10 |
| 8731398 | Optical network system and WDM apparatus | Yuji Akiyama, Sota Yoshida | 2014-05-20 |
| 8693864 | Optical network system, optical redundant switching apparatus, and WDM apparatus | Takashi Mizuochi, Yuji Akiyama | 2014-04-08 |
| 8645806 | Optical receiving apparatus and optical receiving method | Takashi Sugihara, Takashi Mizuochi | 2014-02-04 |
| 8621316 | Method and device for encoding of error correcting codes, and method and device for decoding of error correcting codes | Yoshikuni Miyata, Hideo Yoshida, Takashi Mizuochi | 2013-12-31 |
| 8495475 | FEC frame structuring device and FEC frame structuring method | Takashi Mizuochi, Takashi Sugihara | 2013-07-23 |
| 8442696 | Gas meter and gas safety system | Mitsuo Yokohata, Hirozumi Nakamura, Tadanori Shirasawa, Mitsuo Namba, Hisashi Saito | 2013-05-14 |
| 8402339 | Error correcting device and error correcting method | Takashi Mizuochi, Hideo Yoshida, Yoshikuni Miyata | 2013-03-19 |
| 8250932 | Gas meter and gas security system | Mitsuo Yokohata, Hirozumi Nakamura, Tadanori Shirasawa, Mitsuo Namba, Hisashi Saito | 2012-08-28 |
| 7992069 | Error correction coding apparatus and error correction decoding apparatus | Yoshikuni Miyata, Hideo Yoshida | 2011-08-02 |