Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811900 | Unidirectional silicon steel sheet of ultra-low iron loss and method for production thereof | — | 2004-11-02 |
| 6462340 | Device for measuring crystal orientation and crystal distortion in polycrystalline materials | — | 2002-10-08 |
| 6287703 | Ultralow-iron-loss grain oriented silicon steel plate and process for producing the same | — | 2001-09-11 |
| 6280862 | Ultra-low iron loss grain-oriented silicon steel sheet | — | 2001-08-28 |
| 5800633 | Method for making high magnetic density, low iron loss, grain oriented electromagnetic steel sheet | — | 1998-09-01 |
| 5702541 | High magnetic density, low iron loss, grain oriented electromagnetic steel sheet and a method for making | — | 1997-12-30 |
| 5411604 | Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer | Kazuhiro Suzuki, Eiji Hina | 1995-05-02 |
| 5296051 | Method of producing low iron loss grain-oriented silicon steel sheet having low-noise and superior shape characteristics | Kazuhiro Suzuki | 1994-03-22 |
| 5223048 | Low iron loss grain oriented silicon steel sheets and method of producing the same | — | 1993-06-29 |
| 5203928 | Method of producing low iron loss grain oriented silicon steel thin sheets having excellent surface properties | Yoh Ito | 1993-04-20 |
| 5192585 | Differential pressure sealing apparatus and method | Yo Ito | 1993-03-09 |
| 5146063 | Low iron loss grain oriented silicon steel sheets and method of producing the same | — | 1992-09-08 |
| 4985635 | Method of producing extra-low iron loss grain oriented silicon steel sheets | Yoh Ito | 1991-01-15 |
| 4963197 | Grain oriented electromagnetic steel sheets having a very low iron loss and method of producing the same | Ujihiro Nishiike, Yasuhiro Kobayashi, Hirotake Ishitobi, Shigeko Sujita, Norio Takahashi +1 more | 1990-10-16 |
| 4909864 | Method of producing extra-low iron loss grain oriented silicon steel sheets | Yoh Ito | 1990-03-20 |
| 4906530 | Grain oriented electromagnetic steel sheets having a very low iron loss | Ujiihiro Nishiike, Yasuhiro Kobayashi, Hirotake Ishitobi, Shiqeko Sujita, Norio Takahashi +1 more | 1990-03-06 |
| 4863581 | Hollow cathode gun and deposition device for ion plating process | Osamu Ohkubo | 1989-09-05 |
| 4713123 | Method of producing extra-low iron loss grain oriented silicon steel sheets | Yoh Ito, Toshihiko Funahashi | 1987-12-15 |
| 4698272 | Extra-low iron loss grain oriented silicon steel sheets | Yo Ito | 1987-10-06 |
| 4690855 | Substrate for print circuit board, a print circuit board, and method of manufacturing the same | Shigeko Ikeda, Toshihiko Funahashi, Yo Ito | 1987-09-01 |
| 4576658 | Method for manufacturing grain-oriented silicon steel sheet | Yasuhiro Kobayashi, Yo Ito | 1986-03-18 |
| 4469533 | Method of producing grain oriented silicon steel sheets or strips having high magnetic induction and low iron loss | Yo Ito, Hiroshi Shimanaka | 1984-09-04 |
| 4280856 | Method for producing grain-oriented silicon steel sheets having a very high magnetic induction and a low iron loss | Yoh Shimizu, Hiroshi Shimanaka | 1981-07-28 |