Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798011 | Method of making window frame for concrete wall panel | Tatsuo Suenaga, Hiroaki Nakagawa, Shin Terauchi, Takeo Kikuchi, Mikio Kobayashi +10 more | 1998-08-25 |
| 5591286 | Method of making window frame for concrete wall panel | Tatsuo Suenaga, Hiroaki Nakagawa, Shin Terauchi, Takeo Kikuchi, Mikio Kobayashi +10 more | 1997-01-07 |
| 5575870 | Method of making window frame for concrete wall panel | Tatsuo Suenaga, Hiroaki Nakagawa, Shin Terauchi, Takeo Kikuchi, Mikio Kobayashi +10 more | 1996-11-19 |
| 5356687 | Window frame for concrete wall panel | Tatsuo Suenaga, Hiroaki Nakagawa, Shin Terauchi, Takeo Kikuchi, Mikio Kobayashi +10 more | 1994-10-18 |