Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653839 | Fire-resistant glass and process for production thereof | Hiroshi Itoh, Takashi Abe, Hitoshi Yamashita, Toshihiro Yoshimura, Takeshi Hisanaga +2 more | 1997-08-05 |
| 5437902 | Fire-resistant glass and process for production thereof | Hiroshi Itoh, Takashi Abe, Hitoshi Yamashita, Toshihiro Yoshimura, Takeshi Hisanaga +2 more | 1995-08-01 |