Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613113 | Apparatus for blowing powdery refining agent into refining vessel | Sadayuki Saito, Shunji Hamada, Ryoji Takabe | 1986-09-23 |
| 4529336 | Method of distributing and transporting powdered or granular material | Yoshinobu Shinozaki, Motozo Yasuno, Hironari Marushima, Yoshiteru Tagawa, Ryoji Takabe +6 more | 1985-07-16 |
| 4319479 | Method and an apparatus for detecting leakage of cooling water by measuring dissolved CO amount | Toshio Tamiya | 1982-03-16 |
| 4248625 | Method of operating a blast furnace | Sakae Tamura, Kyoji Okabe, Tsuyoshi Fukutake, Seiji Taguchi, Tamotsu Nagai +1 more | 1981-02-03 |