Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5882760 | Recordable optical disks with metallic interlayer | Yuan-Sheng Tyan, George R. Olin | 1999-03-16 |
| 5879773 | Recordable optical disks with dielectric interlayer | Pranab K. Raychaudhuri, Yuan-Sheng Tyan | 1999-03-09 |
| 5875169 | Magneto-optic data storage device having multiple data storage levels | — | 1999-02-23 |
| 5858565 | Magneto-optic compositionally modulated structure | Randall H. Victora, Charles F. Brucker | 1999-01-12 |
| 5783301 | Multilayer magnetooptic recording media | Yuan-Sheng Tyan | 1998-07-21 |
| 5750274 | Multilayer magnetooptic recording media | Yuan-Sheng Tyan, Charles F. Brucker | 1998-05-12 |
| 5700540 | Optical recording medium | Giuseppe Farruggia, Michael P. Cunningham | 1997-12-23 |
| 5693200 | Forming a high performance Co/Pt disk | Yuan-Sheng Tyan, Giuseppe Farruggia | 1997-12-02 |
| 5612108 | Magneto-optical structure having titanium underlayer | Douglas G. Stinson, Robert H. Webster | 1997-03-18 |
| 5612109 | Optical storage medium including multiple data levels made of Co/Pt magneto-optic recording media | Yuan-Sheng Tyan, Giuseppe Farruggia | 1997-03-18 |
| 5565266 | Multilayer magnetooptic recording media | Yuan-Sheng Tyan, Anthony C. Palumbo, Jr., Charles F. Brucker | 1996-10-15 |
| 5563000 | Multilayer magnetooptic recording media | Yuan-Sheng Tyan | 1996-10-08 |
| 5457582 | Magneto-optical storage medium wherein heating a portion of a read layer changes the portion's magnetic orientation | Randall H. Victora | 1995-10-10 |
| 5436072 | Multilayer magnetooptic recording media | Yuan-Sheng Tyan | 1995-07-25 |
| 5407755 | Multilayer magnetooptic recording media | Charles F. Brucker, Yuan-Sheng Tyan | 1995-04-18 |
| 5361248 | Direct overwrite magneto-optical storage medium not requiring an initialization magnet | David Genova, Randall H. Victora | 1994-11-01 |
| 5069984 | Overwritable magnetooptical recording element including first and second magnetic layers, with one of which containing zirconium | Anthony C. Palumbo, Jr., Douglas G. Stinson | 1991-12-03 |
| 5055364 | Magnetooptical recording element | — | 1991-10-08 |
| 4992338 | Multilayer magnetooptic recording medium with a polarizable palladium intermediate layer | Douglas G. Stinson | 1991-02-12 |
| 4959136 | Method for making an amorphous aluminum-nitrogen alloy layer | — | 1990-09-25 |
| 4895592 | High purity sputtering target material and method for preparing high purity sputtering target materials | Paul D. Askins | 1990-01-23 |
| 4885134 | Sputtering target and method of preparing the same | — | 1989-12-05 |
| 4877690 | Magnetooptical recording element | David A. Glocker, Gregory Lynn McIntire, Srinivas T. Rao, Douglas G. Stinson | 1989-10-31 |
| 4719154 | Magneto-optic recording element with amorphous aluminum-nitrogen alloy layer | — | 1988-01-12 |