Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105675 | Honeycomb structure and bonding material to be used for same | Naoshi Masukawa, Atsushi Watanabe, Shuichi Ichikawa, Osamu Yamakawa | 2012-01-31 |
| 7988781 | Non-settling refractory mortar | Tsuneo Komiyama, Osamu Yamakawa, Akito Higuchi | 2011-08-02 |
| 7833923 | Monolithic refractory material having low expansibility, high strength, and crack extension resistance | Tsuneo Komiyama, Osamu Yamakawa, Akito Higuchi | 2010-11-16 |
| 7820278 | Refractory mortar cured material | Tsuneo Komiyama, Osamu Yamakawa, Akito Higuchi | 2010-10-26 |