Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7300560 | Cathode block for aluminum refining and method for production thereof | Yoshihiro Fujii, Tsutomu Wakasa, Shinjiro Toda | 2007-11-27 |
| 5695631 | Process for producing petroleum needle coke | Junji Eguchi, Hiroichi Miyasaka, Masami Kinouchi, Yoichi Ohashi, Takeshi Hori | 1997-12-09 |