Philip M. Ryan
13Patents
10h-index
14Co-inventors
69Inventor score
Filing activity: Sep 9, 1974 → Jan 7, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4479214A | System for updating error map of fault tolerant memory | Physics | 130 | Expired |
| US4475194A | Dynamic replacement of defective memory words | Physics | 107 | Expired |
| US4604751A | Error logging memory system for avoiding miscorrection of triple errors | Physics | 45 | Expired |
| US4243866A | Method and apparatus for forming a variable size electron beam | Electricity | 43 | Expired |
| US4489381A | Hierarchical memories having two ports at each subordinate memory level | Physics | 37 | Expired |
| US4456995A | Apparatus for high speed fault mapping of large memories | Physics | 33 | Expired |
| US4483001A | Online realignment of memory faults | Physics | 31 | Expired |
| US4453248A | Fault alignment exclusion method to prevent realignment of previously paired memory defects | Physics | 19 | Expired |
| US4488298A | Multi-bit error scattering arrangement to provide fault tolerant semiconductor static memories | Physics | 13 | Expired |
| US4365163A | Pattern inspection tool - method and apparatus | Electricity | 13 | Expired |
| US3949228A | Method for controlling an electron beam | Electricity | 7 | Expired |
| US9556405B2 | Polymer structured aqueous detergent compositions | Chemistry; Metallurgy | 1 | Active |
| US10316273B2 | Thickened aqueous detergent liquid | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.