Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8286900 | Process for producing granular solid matter from coal ash as raw material and apparatus therefor | Noboru Takikawa, Yasunori Shibata, Atsushi Kondo, Tamaki Sakurai, Kozo Kuga +6 more | 2012-10-16 |
| 5262453 | Cushion or trackbed material for use in riding-ground | Yutaka Watanabe, Kazuo Aoyama, Hisanobu Niwata, Sumio Ikeda, Katuaki Ishikawa | 1993-11-16 |