Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678369 | Refractory/heat insulating panels | Takashi Ishikawa, Hideki Takiguchi, Fumio Takahashi, Minoru Saitoh, Takanobu Niizeki +4 more | 1997-10-21 |
| 5580637 | Sandwich panel having internal gas discharge member | Fumitaka Yoshida, Masahiko Suzuki, Hiroyuki Umetsu, Hideki Takiguchi | 1996-12-03 |