James W. Ryan
70Patents
10h-index
6Co-inventors
71Inventor score
Filing activity: Oct 26, 1976 → Mar 18, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4098876A | Reverse sandwich immunoassay | Emerging Cross-Sectional Technologies | 454 | Expired |
| US4574079A | Radiolabeled angiotensin converting enzyme inhibitors for radiolabeling mammalian organ sites | Human Necessities | 71 | Expired |
| US4692458A | Anti-hypertensive agents | Human Necessities | 40 | Expired |
| US5143123A | Cylindrical armor | Electricity | 37 | Expired |
| US4692459A | Anti-hypertensive agents | Human Necessities | 28 | Expired |
| US4766110A | Novel complex amido and imido derivatives of carboxyalkyl peptides | Human Necessities | 22 | Expired |
| US4745124A | Orally effective anti-hypertensive agents | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6012531A | Fire extinguishing bomb | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4734420A | Anti-hypertensive agents | Human Necessities | 12 | Expired |
| US8039602B2 | Isolated genomic polynucleotide fragments from the p15 region of chromosome 11 | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6399349B1 | Human aminopeptidase P gene | Chemistry; Metallurgy | 10 | Expired |
| US4448715A | Tagged pyroglu-L-Phe-L-Arg derivatives, substrates and assays for kallikrein | Chemistry; Metallurgy | 9 | Expired |
| US4115374A | Substrates for angiotensin converting enzyme | Physics | 9 | Expired |
| US4753875A | Method for assaying proteases with tagged proteinaceous inhibitors | Physics | 8 | Expired |
| US4563305A | Radiolabelled substrates for assaying mammalian enzymes | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4372941A | Novel radioassay procedure | Chemistry; Metallurgy | 7 | Expired |
| US4690936A | Anti-hypertensive agents | Human Necessities | 6 | Expired |
| US4276378A | High sensitivity assays for angiotensin converting enzyme | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4191753A | Anti-hypertensive peptide analogs | Human Necessities | 5 | Expired |
| US4327178A | Urinary kallikrein assay: specific substrates and assay method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7754424B1 | Isolated genomic polynucleotide fragments from chromosome 12 that encode human carboxypeptidase M and the human mouse double minute 2 homolog | Chemistry; Metallurgy | 4 | Expired |
| US4833152A | Anti-hypertensive agents | Human Necessities | 4 | Expired |
| US4698356A | Anti-hypertensive agents | Human Necessities | 3 | Expired |
| US4260682A | High sensitivity assays for angiotensin converting enzyme | Physics | 3 | Expired |
| US7470522B1 | Isolated genomic polynucleotide fragments encoding human resistin and the human syntaxin binding protein 2 | Chemistry; Metallurgy | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.