Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871648 | Optical fiber design method | Takashi Matsui, Kazuhide NAKAJIMA, Kyozo Tsujikawa | 2020-12-22 |
| 10816722 | Optical fiber design method | Takashi Matsui, Kyozo Tsujikawa, Nobutomo HANZAWA | 2020-10-27 |
| 10545333 | Photonic crystal fiber and high-power light transmission system | Takashi Matsui, Kazuhide NAKAJIMA, Kyozo Tsujikawa | 2020-01-28 |
| 10539784 | Photonic crystal fiber and high-power light transmission system | Takashi Matsui, Kazuhide NAKAJIMA, Kyozo Tsujikawa | 2020-01-21 |
| 10444428 | Optical fiber and optical transmission system | Takashi Matsui, Kyozo Tsujikawa, Nobutomo HANZAWA | 2019-10-15 |
| 10310177 | Photonic crystal fiber | Takashi Matsui, Kyozo Tsujikawa, Nobutomo HANZAWA | 2019-06-04 |
| 9891378 | Cascaded core multicore fiber and manufacturing method for same | Katsunori Imamura, Tomohiro Gonda, Ryuichi Sugizaki, Taiji SAKAMOTO, Takayoshi Mori +2 more | 2018-02-13 |
| 5546483 | Integrated optical waveguide circuit and optical branch line test system using the same | Yasuyuki Inoue, Masao Kawachi, Katsunari Okamoto, Norio Takato, Hiroyuki Suda +2 more | 1996-08-13 |
| 5015707 | Preparation of poly-.beta.-alanine from acrylamide | Teruyuki Misumi | 1991-05-14 |
| 4855365 | Poly-.beta.-alanine compound, a process for producing the same and a polyacetal resin composition containing a poly-.beta.-alanine compound | Teruyuki Misumi | 1989-08-08 |
| 4318850 | Carboxamide type azomethine pigment | Mitsuru Katayose, Kyugo Tanaka, Teruyuki Misumi | 1982-03-09 |