Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171508 | Method of making window glass with a gasket | Tsuneo Ishizu, Noriyuki Yoshihara, Toshio Ito | 1992-12-15 |
| 5158638 | Method of making window glass with a gasket | Kunio Osanami, Hideyuki Hashimoto, Toshihiko Waki | 1992-10-27 |
| 4999147 | Method for producing a glazing product | Hiroaki Kojima, Toshio Ichiki, Shigehito Shibata, Takeshi Harada, Eiji Hirano | 1991-03-12 |