Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11819978 | Grinding material | Daisuke Takagi, Kazuo Saito, Toshikazu Taura | 2023-11-21 |
| 11027398 | Grinding material and production method of grinding material | Kazuo Saito, Kenji Shimoyama, Toshikazu Taura | 2021-06-08 |
| 10456888 | Abrasive material and production method of abrasive material | Fumihiro Mukai, Daisuke Takagi, Kazuo Saito, Toshikazu Taura | 2019-10-29 |
| 6139620 | Calcium silicate board and method of manufacturing same | Seishiro Suzuki, Masato Sakiyama, Takuya Asami, Yasuhide Oshio, Shigemitsu Shiromoto +2 more | 2000-10-31 |
| 5952087 | Calcium silicate board and method of manufacture therefor | Masato Sakiyama, Takuya Asami, Yasuhide Oshio, Masaaki Oda | 1999-09-14 |
| 5851354 | Method of manufacturing calcium silicate board | Masato Sakiyama, Takuya Asami, Yasuhide Oshio, Masaaki Oda | 1998-12-22 |