Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902473 | Rotary brake disc | Kenji Shiga, Daihachiro Sakurai, Kazuo Fujisawa, Isao Souma, Yusiyo Watanabe +1 more | 1990-02-20 |
| 4620507 | Stave cooler | Hiromichi Saito, Kazuo Kimura, Kazuo Fujisawa, Fumihiro Yamamoto | 1986-11-04 |