Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139620 | Calcium silicate board and method of manufacturing same | Masato Sakiyama, Takuya Asami, Tomoki Iwanaga, Yasuhide Oshio, Shigemitsu Shiromoto +2 more | 2000-10-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139620 | Calcium silicate board and method of manufacturing same | Masato Sakiyama, Takuya Asami, Tomoki Iwanaga, Yasuhide Oshio, Shigemitsu Shiromoto +2 more | 2000-10-31 |