James D. Stone
6Patents
2h-index
3Co-inventors
36Inventor score
Filing activity: Feb 10, 1975 → Apr 4, 1979
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4374271A | Nitrophenylhydrazine compounds | Chemistry; Metallurgy | 5 | Expired |
| US4202839A | Nitrophenylhydrazine compounds | Chemistry; Metallurgy | 2 | Expired |
| US4138244A | Nitrophenylhydrazine compounds | Chemistry; Metallurgy | 1 | Expired |
| US4160090A | Nitrophenylhydrazine compounds | Chemistry; Metallurgy | 1 | Expired |
| US3968138A | 6-Cyano-2,4-dinitro-1,3-phenylenediamines | Human Necessities | 1 | Expired |
| US4156083A | Nitrophenylhydrazine compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.