Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965858 | Laminated iron core elastic matrix determination method and vibration analysis method | — | 2024-04-23 |
| 11513101 | Elastic matrix determination method and vibration analysis method for laminated iron core | Gou Kijima | 2022-11-29 |
| 6527876 | Silicon steel sheet and method for producing the same | Yoshikazu Takada, Shoji Kasai, Hironori Ninomiya, Tsunehiro Yamaji, Tatsuhiko Hiratani | 2003-03-04 |
| 5993568 | Soft magnetic alloy sheet having low residual magnetic flux density | Yoshikazu Takada, Hironori Ninomiya, Koichiro Fujita, Shoji Kasai, Tatsuhiko Hiratani | 1999-11-30 |
| 5489342 | Method of manufacturing silicon steel sheet having grains precisely arranged in goss orientation | Kenichi Arai, Kazushi Ishiyama, Yasushi Tanaka, Akira Hiura | 1996-02-06 |
| 5354389 | Method of manufacturing silicon steel sheet having grains precisely arranged in Goss orientation | Kenichi Arai, Kazushi Ishiyama, Yasushi Tanaka, Akira Hiura | 1994-10-11 |
| 4217018 | Electrical supply track | Makoto Yoshida, Nobutsugu Nagashima, Akihiro Suzue, Ryuichi Kitagawa | 1980-08-12 |