Roger March
19Patents
9h-index
15Co-inventors
69Inventor score
Filing activity: Feb 11, 1980 → Jun 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6515904B2 | Method and system for increasing programming bandwidth in a non-volatile memory device | Physics | 61 | Expired |
| US7062602B1 | Method for reading data in a write-once memory device using a write-many file system | Physics | 50 | Expired |
| US6996660B1 | Memory device and method for storing and reading data in a write-once memory array | Physics | 38 | Expired |
| US7003619B1 | Memory device and method for storing and reading a file system structure in a write-once memory array | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6647471B2 | Methods for overwriting data in a memory device | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6694415B2 | Methods for permanently preventing modification of a partition or file | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4649470A | Data processing system | Physics | 13 | Expired |
| US6738883B2 | Memory devices and methods for use therewith | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6925545B2 | Configuring file structures and file system structures in a memory device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6778974B2 | Memory device and method for reading data stored in a portion of a memory device unreadable by a file system of a host device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6697928B2 | System and method for storing first and second files in a memory device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4464772A | Frequency synthesizer for providing a pseudo-constant frequency signal | Physics | 6 | Expired |
| US8874534B2 | File state subset satellites to provide block-based version control | Physics | 5 | Active |
| US6651133B2 | Method and data storage device for writing a minimum number of memory cells in a memory device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6901549B2 | Method for altering a word stored in a write-once memory device | Physics | 3 | Expired |
| US9594782B2 | Hierarchical file block variant store apparatus and method of operation | Physics | 1 | Active |
| US12182429B2 | Hierarchical file block variant tracking for performance in parallelism at multi-disk arrays | Physics | 0 | Active |
| US6820185B2 | Method for identifying memory cells storing replacement data on a memory device | Emerging Cross-Sectional Technologies | 0 | Expired |
| US9740717B2 | Method of operation for a hierarchical file block variant tracker apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.