Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670247 | Photoreactive noxious substance purging agent and photoreactive noxious substance purging material using the agent | Kazuchiyo Takaoka, Kenji Hyodo, Yasuyuki Oku, Katsushi Ohgami | 1997-09-23 |
| 4220500 | Glass-containing sheet substrate | Toshiyuki Baba, Masatoshi Minegishi | 1980-09-02 |