Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489345 | Steel for use in exhaust manifolds of automobiles | Masao Koike, Mitsuo Miyahara, Kenji Higuchi, Tomoyuki Sugino, Shinji Shibata | 1996-02-06 |
| 5340415 | Ferritic stainless steel plates and foils and method for their production | Masao Koike, Akihito Yamagishi, Shusuke Kakuchi | 1994-08-23 |