Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966064 | Nanocrystalline alloy having excellent pulse attenuation characteristics, method of producing the same, choke coil, and noise filter | Yoshio Bizen, Shunsuke Arakawa | 1999-10-12 |
| 5725686 | Magnetic core for pulse transformer and pulse transformer made thereof | Yoshio Bizen, Shin Nakajima, Shunsuke Arakawa | 1998-03-10 |
| 5658398 | Alloy with ultrafine crystal grains excellent in corrosion resistance | Shunsuke Arakawa, Katsuhisa Sugimoto | 1997-08-19 |
| 5635828 | Active filter circuit and power supply apparatus including same | Tooru Abe, Shin Nakajima, Shunsuke Arakawa | 1997-06-03 |
| 5611871 | Method of producing nanocrystalline alloy having high permeability | Yoshio Bizen, Shin Nakajima, Shunsuke Arakawa | 1997-03-18 |
| 5591276 | Magnetic alloy with ultrafine crystal grains and method of producing same | Yoshio Bizen, Shigekazu Suwabe, Kiyotaka Yamauchi, Toshikazu Nishiyama | 1997-01-07 |
| 5567537 | Magnetic core element for antenna, thin-film antenna, and card equipped with thin-film antenna | Shunsuke Arakawa | 1996-10-22 |
| 5160379 | Fe-base soft magnetic alloy and method of producing same | Kiyotaka Yamauchi, Shigeru Oguma | 1992-11-03 |
| 5151137 | Soft magnetic alloy with ultrafine crystal grains and method of producing same | Yoshio Bizen, Kiyotaka Yamauchi, Toshikazu Nishiyama, Shigekazu Suwabe | 1992-09-29 |
| 5114503 | Magnetic core | Kiyotaka Yamauchi | 1992-05-19 |
| 5069731 | Low-frequency transformer | Kiyotaka Yamauchi | 1991-12-03 |
| 4985089 | Fe-base soft magnetic alloy powder and magnetic core thereof and method of producing same | Kiyotaka Yamauchi | 1991-01-15 |
| 4945339 | Anti-theft sensor marker | Kiyotaka Yamauchi | 1990-07-31 |
| 4918555 | Magnetic head containing an Fe-base soft magnetic alloy layer | Kiyotaka Yamauchi, Toshikazu Nishiyama, Shigekazu Suwabe | 1990-04-17 |
| 4881989 | Fe-base soft magnetic alloy and method of producing same | Kiyotaka Yamauchi, Shigeru Oguma | 1989-11-21 |
| 4871925 | High-voltage pulse generating apparatus | Kiyotaka Yamauchi, Shin Nakajima | 1989-10-03 |
| 4769091 | Magnetic core | Shin Nakajima, Kiyotaka Yamauchi | 1988-09-06 |
| 4757219 | Lamination type of magnetostrictor and manufacturing method thereof | Kiyotaka Yamauchi, Kiyoshi Koyano | 1988-07-12 |