Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071441 | Method of manufacturing distributed refractive index optical fiber | Noriyuki Yoshihara, Tsuyoshi Onishi, Takashi Tsukamoto | 2000-06-06 |
| 5846465 | Method for preparing a plate member for a window with a resinous frame | Masaki Tsujino, Noriyuki Yoshihara | 1998-12-08 |
| 5698157 | Method of making a window panel with a resin frame | Noriyuki Yoshihara, Tsuyoshi Onishi | 1997-12-16 |