Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338328 | Method for reforming coal ash, and method for producing fly ash for concrete admixture | Koota DOI | 2022-05-24 |
| 9868666 | Cement clinker production system | Hisanobu Tanaka, Yukio Tanaka, Katsuhiko Ichihara, Kazuo Sakamoto, Kazuo Tabata | 2018-01-16 |
| 9650294 | Burned cement clinker and method for producing the same | Yoichiro Nakanishi, Hisanobu Tanaka | 2017-05-16 |
| 9598312 | Method for controlling free lime content of clinker | Yuuki Ninomiya, Hisanobu Tanaka, Yoichiro Nakanishi | 2017-03-21 |
| 7998270 | Cement clinker and process for producing the same | Etsuro Asakura, Kenichi Shimosaka, Ryuichi Komatsu | 2011-08-16 |