Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12301671 | Information processing system, information processing method and program | Takuya Ohara, Takuya Oda, Takafumi Tanaka, Masayuki Shimoda | 2025-05-13 |
| 12248428 | Information processing system, information processing method and program | Takuya Ohara, Takuya Oda, Takafumi Tanaka, Masayuki Shimoda | 2025-03-11 |
| 12170607 | Transmission apparatus, transmission system and delay adjustment method | Kei Kitamura, Akira Hirano, Masahito Tomizawa, Takuya Ohara | 2024-12-17 |
| 12119867 | Transmission apparatus and transmission method | Kei Kitamura, Kengo SHINTAKU, Takuya Oda, Takafumi Tanaka, Masahito Tomizawa | 2024-10-15 |
| 12101246 | Failure transfer apparatus, failure transfer system, and failure transfer method | Kengo SHINTAKU, Shokei Kobayashi, Kei Kitamura, Takuya Oda, Takafumi Tanaka | 2024-09-24 |
| 11984925 | Transmission apparatus and transmission method | Kei Kitamura, Kengo SHINTAKU, Takafumi Tanaka, Takuya Oda | 2024-05-14 |
| 11923862 | Transmission apparatus and transmission system | Kei Kitamura, Akira Hirano, Masahito Tomizawa, Takuya Ohara | 2024-03-05 |
| 11917019 | Information processing system, information processing method and program | Takuya Ohara, Takuya Oda, Takafumi Tanaka, Masayuki Shimoda | 2024-02-27 |
| 11916685 | Transmission apparatus and transmission method | Kei Kitamura, Akira Hirano, Masahito Tomizawa, Takuya Ohara | 2024-02-27 |
| 11546064 | Optical transmission system and transmission mode selecting method | Tetsuro Inui, Hideki Nishizawa, Seiji Okamoto, Akira Hirano, Shokei Kobayashi +4 more | 2023-01-03 |
| 11342990 | State estimating device and communication system | Seiki Kuwabara, Wataru Kawakami, Hideki Nishizawa, Seiji Okamoto, Akira Hirano +4 more | 2022-05-24 |
| 11165497 | Optical transmission system and communication condition selection method | Shokei Kobayashi, Akira Hirano, Wataru Kawakami, Tetsuro Inui, Seiki Kuwabara +5 more | 2021-11-02 |
| 10587472 | Highly reliable path accommodation design apparatus and method | Akihiro Kadohata, Akira Hirano, Atsushi Watanabe, Takafumi Tanaka | 2020-03-10 |
| 9794123 | Highly reliable path accommodation design apparatus and method | Akihiro Kadohata, Akira Hirano, Atsushi Watanabe, Takafumi Tanaka | 2017-10-17 |
| 7265848 | Time-resolved nonlinear complex sensitivity measuring apparatus | Kazuhiko Misawa, Hiroyoshi Lang | 2007-09-04 |