William Henry Johnson
27Patents
10h-index
15Co-inventors
72Inventor score
Filing activity: Aug 18, 1975 → Dec 9, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4996358A | Hydroxylamine bearing amino acid derivatives as collagenase inhibitors | Human Necessities | 70 | Expired |
| US4885283A | Phosphinic acid derivatives | Human Necessities | 35 | Expired |
| US6235787A | Hydrazine derivatives | Chemistry; Metallurgy | 28 | Expired |
| US5304549A | Amino acid derivatives | Chemistry; Metallurgy | 21 | Expired |
| US5614625A | Hydroxamic acid derivatives with tricyclic substitution | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5006651A | Phosphinic acid derivatives | Human Necessities | 15 | Expired |
| US6239151A | Compounds as inhibitor of tumor necrosis factor alpha release | Chemistry; Metallurgy | 14 | Expired |
| US5318964A | Hydroxamic derivatives and pharmaceutical compositions | Chemistry; Metallurgy | 13 | Expired |
| US4623639A | Peptide derivatives | Human Necessities | 11 | Expired |
| US5447929A | Method of treating joint disorders using hydroxamic derivatives | Chemistry; Metallurgy | 10 | Expired |
| US5879653A | Method for producing caro's acid | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4187216A | Dipeptide derivatives | Human Necessities | 9 | Expired |
| US4007219A | Benzophenone glycinamide derivatives | Human Necessities | 6 | Expired |
| US4176116A | Dipeptide derivatives | Human Necessities | 5 | Expired |
| US6066662A | Hydroxylamine derivatives and their use as metalloproteinase inhibiting agents | Chemistry; Metallurgy | 4 | Expired |
| US5698690A | Hydroxamic acid derivatives with tricyclic substitution | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5731441A | Hydroxamic acid derivatives with tricyclic substitution | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5710167A | Hydroxamic acid derivatives with tricyclic substitution for treating degenerative joint diseases | Emerging Cross-Sectional Technologies | 4 | Expired |
| USRE30473E | Benzophenone glycinamide derivatives | General | 2 | Expired |
| US6090297A | Method for treating tailing slurries with Caro's acid | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6281363A | Cyclic hydrazine derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4105852A | Substituted phenyl ketones | Human Necessities | 1 | Expired |
| US4069229A | Substituted phenyl ketones | Chemistry; Metallurgy | 0 | Expired |
| US4046751A | Substituted phenyl ketones | Human Necessities | 0 | Expired |
| US4044017A | Substituted phenyl ketones | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.