KABUSHIKI KAISHA YAKULT HONSHA
222Patents
99Active
222Granted
49Portfolio score
Filing activity: Oct 26, 1976 → Jan 24, 2022 · 40 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4604463A | Camptothecin derivatives and process for preparing same | Human Necessities | 139 | Expired |
| US4473692A | Camptothecin derivatives and process for preparing same | Chemistry; Metallurgy | 115 | Expired |
| US6025008A | Yogurt | Human Necessities | 112 | Expired |
| US4545880A | Photochemical process for preparing camptothecin derivatives | Chemistry; Metallurgy | 77 | Expired |
| US4399282A | Camptothecin derivatives | Human Necessities | 68 | Expired |
| US4828304A | Vacuum adsorption hand | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4914205A | Camptothecin derivatives | Chemistry; Metallurgy | 55 | Expired |
| US7126000B2 | Method of synthesizing camptothecin-relating compounds | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5834476A | Hexa-cyclic compound | Chemistry; Metallurgy | 40 | Expired |
| US7993903B2 | Cholesterol absorption inhibitor | Chemistry; Metallurgy | 38 | Active |
| US4399276A | 7-Substituted camptothecin derivatives | Chemistry; Metallurgy | 35 | Expired |
| US5023175A | Novel production process of hyaluronic acid and bacterium strain therefor | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5061800A | Camptothecin derivatives | Human Necessities | 34 | Expired |
| US4859488A | Liquid food for curing constipation: polydextrose and oligosaccharide | Human Necessities | 33 | Expired |
| US4187321A | Method for producing foods and drinks containing bifidobacteria | Chemistry; Metallurgy | 33 | Expired |
| US4513138A | Camptothecin-1-oxide derivatives | Human Necessities | 30 | Expired |
| US4944952A | Method for producing processed milk containing galactooligosaccharide | Human Necessities | 28 | Expired |
| US4435389A | Composition for promoting growth of bifidobacteria | Chemistry; Metallurgy | 26 | Expired |
| US4939255A | Hexa-cyclic camptothecin derivatives | Chemistry; Metallurgy | 26 | Expired |
| US4778891A | Certain pyrano (3,4-f)-indolizine derivatives | Chemistry; Metallurgy | 24 | Expired |
| US5061795A | Hexa-cyclic compound | Chemistry; Metallurgy | 22 | Expired |
| US4985149A | Anaerobic digestion method | Emerging Cross-Sectional Technologies | 22 | Expired |
| USD274218S | Container for liquids or the like | General | 20 | Expired |
| US6117853A | Cerebration improver | Human Necessities | 20 | Expired |
| US6025385A | Taxane derivatives and drugs containing the same | Chemistry; Metallurgy | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.