Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9470345 | Threaded joint for pipes | Masaki Yoshikawa, Takuya Nagahama, Hiroshi Chikatsune, Jun Takano, Takamasa Kawai +2 more | 2016-10-18 |
| 5028033 | Process for detecting outflow of slag | Kazuhisa Hamagami, Shigeru Ogura | 1991-07-02 |