| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bryer Philip | 4 |
| #2 | Mattson Gary L | 4 |
| #3 | Blessum Norman S | 4 |
| #4 | Schadegg John J | 1 |
| #5 | Redmond Donald R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4688119A | Detection and amplification circuit | |
| US4656538A | Disk drive control system | |
| US4686595A | Apparatus for repositioning a transducer in the absence of electrical current to a drive system | |
| US4736341A | Intelligent hard disk drive subsystem |