Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4234654 | Heat wave-reflective or electrically conductive laminated structure | Toshiaki Yatabe, Ikuto Sugiyama | 1980-11-18 |
| 4215168 | Laminated multilayer sheet structure and its utilization | Utami Yonemura, Kiyoshi Chiba, Kunio Itoh, Yuji Mitani | 1980-07-29 |
| 4206615 | Insulative multi-pane window structure of refrigerator or freezer | Kiyoshi Chiba, Kunio Itoh, Utami Yonemura, Yuji Mitani | 1980-06-10 |