Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316396 | Wide iron-based amorphous alloy, precursor to nanocrystalline alloy | Eric Theisen, Naoki Ito, Donald Robert Reed, Jr., John Webb | 2019-06-11 |
| 8366010 | Magnetomechanical sensor element and application thereof in electronic article surveillance and detection system | Ryusuke Hasegawa | 2013-02-05 |
| 7561043 | Marker for mechanically resonant article surveillance system | Ryusuke Hasegawa, John Webb, Auburn Anthony Chestnut, Larry Hill | 2009-07-14 |
| 7541909 | Filter circuit having an Fe-based core | Ryusuke Hasegawa, Seshu V. Tatikola | 2009-06-02 |
| 7205893 | Marker for mechanically resonant article surveillance system | Ryusuke Hasegawa, John Webb, Auburn Anthony Chestnut, Larry Hill | 2007-04-17 |
| 6992555 | Gapped amorphous metal-based magnetic core | Ryusuke Hasegawa | 2006-01-31 |
| 6930581 | Current transformer having an amorphous fe-based core | Ryusuke Hasegawa, Seshu V. Tatikola | 2005-08-16 |
| 6749695 | Fe-based amorphous metal alloy having a linear BH loop | Ryusuke Hasegawa | 2004-06-15 |
| 6475303 | Magnetic glassy alloys for electronic article surveillance | Ryusuke Hasegawa, Howard H. Liebermann | 2002-11-05 |
| 6432226 | Magnetic glassy alloys for high frequency applications | Ryusuke Hasegawa, Howard H. Liebermann | 2002-08-13 |
| 6187112 | Metallic glass alloys for mechanically resonant marker surveillance systems | Ryusuke Hasegawa | 2001-02-13 |
| 6093261 | Metallic glass alloys for mechanically resonant marker surveillance systems | Ryusuke Hasegawa | 2000-07-25 |
| 5800635 | Method of achieving a controlled step change in the magnetization loop of amorphous alloys | Aliki Collins, Victor Ambasz | 1998-09-01 |
| 5650023 | Metallic glass alloys for mechanically resonant marker surveillance systems | Ryusuke Hasegawa | 1997-07-22 |
| 5539380 | Metallic glass alloys for mechanically resonant marker surveillance systems | Ryusuke Hasegawa | 1996-07-23 |
| 5395460 | Harmonic markers made from Fe-Ni based soft magnetic alloys having nanocrystalline structure | — | 1995-03-07 |
| 5340413 | Fe-NI based soft magnetic alloys having nanocrystalline structure | — | 1994-08-23 |
| 5252144 | Heat treatment process and soft magnetic alloys produced thereby | — | 1993-10-12 |
| 5035755 | Amorphous metal alloys having enhanced AC magnetic properties at elevated temperatures | Davidson M. Nathasingh, Amitava Datta | 1991-07-30 |
| 4588452 | Amorphous alloys for electromagnetic devices | Davidson M. Nathasingh, Amitava Datta, Nicholas J. DeCristofaro | 1986-05-13 |
| 4473413 | Amorphous alloys for electromagnetic devices | Davidson M. Nathasingh, Amitava Datta, Nicholas J. DeCristofaro | 1984-09-25 |