Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071461 | Method and apparatus for bending overlapping glass plates to form a laminated glass structure | Takashi Hirotsu, Kenji Maeda, Hiroshi Tsuji, Tatsuo Sugiyama | 1991-12-10 |
| 5045101 | Method of and an apparatus for bending glass plates for a laminated glass wherein side portions of two overlapping glass plates are simultaneously subjected to deep-bending | Takashi Hirotsu, Hiroshi Tsuji, Tatsuo Sugiyama, Yoshihiro Watanabe, Kenji Maeda | 1991-09-03 |
| 4909820 | Method of and an apparatus for bending glass plates for a laminated glass | Takashi Hirotsu, Hiroshi Tsuji, Tatsuo Sugiyama, Yoshihiro Watanabe | 1990-03-20 |