Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10587472 | Highly reliable path accommodation design apparatus and method | Akira Hirano, Atsushi Watanabe, Fumikazu INUZUKA, Takafumi Tanaka | 2020-03-10 |
| 9794123 | Highly reliable path accommodation design apparatus and method | Akira Hirano, Atsushi Watanabe, Fumikazu INUZUKA, Takafumi Tanaka | 2017-10-17 |
| 9336080 | Transmission system and transmission method | Akira Hirano, Mitsunori Fukutoku, Yoshiaki Kisaka, Yoshiaki Sone, Takafumi Tanaka | 2016-05-10 |
| 9178645 | Wavelength path reallocation method and upper layer path reallocation method | Akira Hirano, Yoshiaki Sone, Yukio Tsukishima, Takafumi Tanaka | 2015-11-03 |
| 9154257 | Frequency assignment method and apparatus | Akira Hirano, Yoshiaki Sone, Takafumi Tanaka, Shinji Matsuoka | 2015-10-06 |