Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827799 | Ultraviolet curable silicone composition and cured product of same | Nobuaki Matsumoto, Taichi KITAGAWA, Atsushi Yaginuma | 2023-11-28 |
| 6436728 | Method for making an optical waveguide substrate | Shinji Makikawa, Hiroshi Aoi, Seiki Ejima | 2002-08-20 |
| 6301412 | Apparatus and method for making multi-branching optical coupler | Tsuneo Mori, Seiki Ejima, Jun Abe, Sayuri Maeda, Kazuo Koya | 2001-10-09 |
| 5671309 | Wide-band optical fiber coupler and method for preparing the same | Jun Abe, Kazuo Koya | 1997-09-23 |