Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363682 | Four-roller type sizing mill apparatus for producing round steel rods | Ryo Takeda, Hidenori Kondo, Kiyoji Ino, Hiroshi Hagihara, Takaya Suzuki +2 more | 1994-11-15 |
| 4550582 | Method of producing steel H-sheet pile | Takashi Ehiro, Teruaki Tanaka | 1985-11-05 |