Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10447419 | Optical node device, optical network controller, and optical network control method | Hitoshi Takeshita, Tomoyuki Hino, Akio Tajima | 2019-10-15 |
| 10382135 | Optical node device, optical network controller, and optical network control method | Hitoshi Takeshita, Tomoyuki Hino, Akio Tajima | 2019-08-13 |
| 10375460 | Optical network management apparatus and method of allocating optical frequency band | Hitoshi Takeshita, Tomoyuki Hino, Akio Tajima | 2019-08-06 |
| 10230487 | Optical transmitter, optical communication device, optical communication system, and optical transmission method | Tomoyuki Hino, Hitoshi Takeshita, Akio Tajima | 2019-03-12 |
| 10211923 | Optical network system, optical node device, and optical path setting method | Hitoshi Takeshita, Tomoyuki Hino, Akio Tajima | 2019-02-19 |
| 10193651 | Optical network controller and optical network control method | Hitoshi Takeshita, Ryuichi Ikematsu, Akio Tajima, Tomoyuki Hino | 2019-01-29 |
| 9979468 | Optical communication system, optical node device, and optical path setting method | Hitoshi Takeshita, Tomoyuki Hino, Akio Tajima | 2018-05-22 |
| 9819525 | Signal generating apparatus and signal generating method | Emmanuel Le Taillandier De Gabory, Daisaku Ogasahara | 2017-11-14 |
| 9485033 | Signal processing apparatus and signal processing method | Wakako Yasuda, Daisaku Ogasahara | 2016-11-01 |
| 9473249 | Light transmission apparatus, light communication system, light reception apparatus, method for adjusting light transmission, method for transmitting light, and method for receiving light | Daisaku Ogasahara, Toru Takamichi | 2016-10-18 |
| 9280032 | Method and device for converting optical frequency | — | 2016-03-08 |
| 7479252 | Method for manufacturing throwaway tip and apparatus for aligning green compact | Yoshikazu Okada, Toru Narita | 2009-01-20 |