Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8800323 | Method of sealing air holes in an optical fiber | Yoshinori Kurosawa, Bing Yao, Kazumasa Ohsono, Masao Tachikura, Toshio Kurashima +2 more | 2014-08-12 |
| 7658550 | Optical fiber, optical fiber connecting method, and optical connector | Yoshinori Kurosawa, Bing Yao, Kazumasa Ohsono, Masao Tachikura, Toshio Kurashima +2 more | 2010-02-09 |
| 7376315 | Optical fiber, optical fiber connecting method, and optical connector | Yoshinori Kurosawa, Bing Yao, Kazumasa Ohsono, Masao Tachikura, Toshio Kurashima +2 more | 2008-05-20 |