Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7149055 | Inductive write head driven only by an ampere wire | Thomas William Clinton, Petrus Antonius Van Der Heijden, Michael Allen Seigler | 2006-12-12 |
| 6985339 | Disc drive having electromagnetic biased shieldless CPP reader | Michael Allen Seigler, Gregory John Parker, Sharat Batra, Robert Earl Rottmayer, Petrus Antonius Van Der Heijden | 2006-01-10 |
| 6917493 | Ampere head with perpendicular magnetic field | Thomas William Clinton, Michael Allen Seigler | 2005-07-12 |
| 6813115 | Perpendicular magnetic recording head with improved write field gradient | Petrus Antonius Van Der Heijden, Sharat Batra, Gregory John Parker | 2004-11-02 |