SHIONOGI & CO., LTD.
1,016Patents
327Active
1,016Granted
52Portfolio score
Filing activity: Jan 19, 1973 → Feb 7, 2024 · 119 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4336381A | 5-Fluorouracil derivatives | Chemistry; Metallurgy | 105 | Expired |
| US6071536A | Gelatin capsule having adjusted water activity | Human Necessities | 87 | Expired |
| US7763276B1 | Chewable soft capsules having improved administration properties and process for producing the same | Human Necessities | 80 | Expired |
| US5338676A | Cephalosporin acetylhydrolase gene and protein encoded by said gene | Chemistry; Metallurgy | 77 | Expired |
| US5023089A | Sustained-release preparations and the process thereof | Human Necessities | 76 | Expired |
| US5089043A | Heterocyclic oxy-phenoxyacetic acid derivatives and their use as herbicides | Chemistry; Metallurgy | 74 | Expired |
| US6699891B1 | Npyy5 antagonists | Chemistry; Metallurgy | 74 | Expired |
| US5047540A | Lipid derivatives | Chemistry; Metallurgy | 74 | Expired |
| US5138067A | Lipid derivatives | Chemistry; Metallurgy | 73 | Expired |
| US5407929A | Triazolylthiomethylthio cephalosporin hydrochhloride, its crystalline hydrate and the production of the same | Human Necessities | 64 | Expired |
| US5948819A | .alpha.-substituted phenylacetic acid derivative, its production and agricultural fungicide containing it | Chemistry; Metallurgy | 61 | Expired |
| US4923984A | Pyrrolo(1,4)benzodiazepine derivatives | Human Necessities | 61 | Expired |
| US4828840A | Sustained-release formulation and production thereof | Human Necessities | 57 | Expired |
| US6506787B2 | Indole derivatives having an antiviral activity | Chemistry; Metallurgy | 56 | Expired |
| US4504658A | Epimerization of malonic acid esters | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4634697A | Carboxyalkenamidocephalosporins | Chemistry; Metallurgy | 50 | Expired |
| US4767874A | Stable freeze-dried preparations of an anticancer platinum complex | Human Necessities | 48 | Expired |
| US4753951A | Condensed imidazopyridine derivatives useful as psychotropic agents | Chemistry; Metallurgy | 46 | Expired |
| US5281525A | Cephalosporin acetylhydrolase gene from Bacillus subtilis | Chemistry; Metallurgy | 46 | Expired |
| US4031098A | Camptothecin analogues | Chemistry; Metallurgy | 45 | Expired |
| US4803154A | Multi-spot enzyme immunoassay method | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4762720A | Process for preparing liposome compositions | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4062861A | 3-Isoxazolylurea derivatives | Chemistry; Metallurgy | 44 | Expired |
| US5248807A | Triterpene derivatives | Chemistry; Metallurgy | 44 | Expired |
| US4812561A | Crystalline hydrate of oral cephalosporin and its composition | Human Necessities | 40 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.