Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6527876 | Silicon steel sheet and method for producing the same | Misao Namikawa, Yoshikazu Takada, Shoji Kasai, Tsunehiro Yamaji, Tatsuhiko Hiratani | 2003-03-04 |
| 6241829 | Silicon steel sheet and method thereof | Koichiro Fujita, Yasushi Tanaka, Tatsuhiko Hiratani, Shoji Kasai | 2001-06-05 |
| 6045627 | Silicon steel sheet and method thereof | Koichiro Fujita, Yasushi Tanaka, Tatsuhiko Hiratani, Shoji Kasai | 2000-04-04 |
| 5993568 | Soft magnetic alloy sheet having low residual magnetic flux density | Yoshikazu Takada, Misao Namikawa, Koichiro Fujita, Shoji Kasai, Tatsuhiko Hiratani | 1999-11-30 |
| 5902419 | Silicon steel sheet and method thereof | Koichiro Fujita, Yasushi Tanaka, Tatsuhiko Hiratani, Shoji Kasai | 1999-05-11 |