Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7594972 | Alloy lump for R-T-B type sintered magnet, producing method thereof, and magnet | Hiroshi Hasegawa, Shiro Sasaki, Masaaki Yui | 2009-09-29 |
| 7264683 | Centrifugal casting method, centrifugal casting apparatus, and cast alloy produced by same | Hiroshi Hasegawa, Masahide Utsunomiya, Yoichi Hirose | 2007-09-04 |
| 6797081 | Centrifugal casting method, centrifugal casting apparatus, and cast alloy produced by same | Hiroshi Hasegawa, Masahide Utsunomiya, Yoichi Hirose | 2004-09-28 |
| 5725042 | Method for producing hydrogen-absorbing alloy | Yoichi Hirose, Shiro Sasaki, Hiroshi Hasegawa, Masahide Utsunomiya | 1998-03-10 |