Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11230087 | Heat insulating sheet, heat insulating material, and manufacturing method of heat insulating sheet | Kazuaki Matsumoto, Hiroyuki Kikuchi | 2022-01-25 |
| 9241199 | Announcement broadcasting system, announcement broadcasting optical receiver used for the announcement broadcasting system, cable television broadcasting system, and optical receiver used for the cable television broadcasting system | Masayuki Abe, Tetsuya Miki | 2016-01-19 |