Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6167727 | Process for the production of polarizing glass | Hidemi Tajima, Takeshi Takahashi, Yoshihiko Matsuoka | 2001-01-02 |
| 5840096 | Process for the production of polarizing glass | Hidemi Tajima, Takeshi Takahashi, Yoshihiko Matsuoka | 1998-11-24 |