Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165923 | Coating composition for carbonization chamber of coke oven and application method | Takeshi Ando, Shizuki Kasaoka, Teruo Onozawa | 2000-12-26 |
| 6156688 | Repairing material for bricks of carbonizing chamber in coke oven and repairing method | Takeshi Ando, Michio Homma, Shinjiro Baba, Tadakatsu Kishi, Noboru Komatsubara +2 more | 2000-12-05 |