Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185043 | Method for producing low iron loss grain oriented silicon steel sheets | Shigeko Sujita, Tsuneo Nagamine | 1993-02-09 |
| 5125991 | Silicon steel sheets having low iron loss and method of producing the same | Hirotake Ishitobi, Shigeko Sujita, Tikara Kami, Yasuhiro Kobayashi | 1992-06-30 |