Inventor
ROBERT P. RYAN
Inventor
US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication40%
G11BInformation storage based on relative movement between record carrier and transducer20%
G06FElectric digital data processing10%
H01RElectrically-conductive connections10%
H03MCoding10%
H04NPictorial communication, e.g. television10%
PatentTitleYear
12,431,162Rotating electromagnet for removable disk clamp202512,273,330Access-controlled delivery of content to network attached storage202512,176,000Data storage library magnetic disk retain and exchange system202411,757,854Secure stream buffer on network attached storage202311,403,252Universal serial bus voltage reducing adapter202211,196,725Secure stream buffer on network attached storage202111,178,226Integrated erasure coding for data storage and transmission2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to WESTERN DIGITAL TECH INC (6)· patent assignee history
2021–2025Based in US· patent location history
2025Patents assigned to SANDISK TECHNOLOGIES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTERN DIGITAL TECH INC | 6 | 2021–2025 |
| SANDISK TECHNOLOGIES INC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 7 | 2021–2025 |