Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6288001 | Graphite-containing monolithic refractory material | Yoshisato Kiyota, Masato Kumagai, Masao Nanbu, Shigenobu Takata, Masakazu Iida +1 more | 2001-09-11 |
| 6156688 | Repairing material for bricks of carbonizing chamber in coke oven and repairing method | Takeshi Ando, Michio Homma, Shinjiro Baba, Tadakatsu Kishi, Shigeru Nakai +2 more | 2000-12-05 |