Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366832 | Optical connection structure | Hajime Arao, Tomomi Sano, Sho YAKABE | 2016-06-14 |
| 9335492 | Lens component | Takayuki Shimazu, Masaki Oyagi | 2016-05-10 |
| 9182551 | Lens component and optical module provided with the same | Masaki Oyagi, Takayuki Shimazu, Mitsutaka Satou, Ayaka Mori, Hajime Arao +2 more | 2015-11-10 |
| 9182601 | Optical device | Akira Inoue, Kenichiro Takahashi, Tomohiko Kanie | 2015-11-10 |
| 6580854 | Optical waveguide grating and method of making the same | Tadashi Enomoto, Shinji Ishikawa, Masakazu Shigehara | 2003-06-17 |
| 6563984 | Long-period grating device | Masakazu Shigehara, Shinji Ishikawa, Tadashi Enomoto | 2003-05-13 |
| 6504962 | Method for determining an aging condition for an optical waveguide grating and temperature sensor | Shinji Ishikawa, Toru Iwashima, Akira Inoue, Masakazu Shigehara | 2003-01-07 |
| 6253008 | Optical filter and method of making the same | Masakazu Shigehara | 2001-06-26 |
| 6137931 | Method for determining a condition of aging for optical fiber grating | Shinji Ishikawa, Toru Iwashima, Akira Inoue | 2000-10-24 |
| 6072927 | Optical filter | Toru Iwashima | 2000-06-06 |
| 6021242 | Diffraction grating type band-pass filter and method of making the same | Toru Iwashima | 2000-02-01 |