Takeda Chemical Industries Ltd.
1,870Patents
0Active
1,870Granted
47Portfolio score
Filing activity: Jul 16, 1971 → Feb 10, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4791192A | Chemically modified protein with polyethyleneglycol | Emerging Cross-Sectional Technologies | 601 | Expired |
| US4652441A | Prolonged release microcapsule and its production | Emerging Cross-Sectional Technologies | 355 | Expired |
| US4361650A | Fermentation process of preparing demethyl maytansinoids | Chemistry; Metallurgy | 294 | Expired |
| US4256746A | Dechloromaytansinoids, their pharmaceutical compositions and method of use | Chemistry; Metallurgy | 293 | Expired |
| US4331598A | Maytansinoids | Emerging Cross-Sectional Technologies | 293 | Expired |
| US4322348A | Maytansinoids | Chemistry; Metallurgy | 293 | Expired |
| US4307016A | Demethyl maytansinoids | Chemistry; Metallurgy | 292 | Expired |
| US4364866A | Maytansinoids | Emerging Cross-Sectional Technologies | 291 | Expired |
| US4362663A | Maytansinoid compound | Emerging Cross-Sectional Technologies | 291 | Expired |
| US4371533A | 4,5-Deoxymaytansinoids, their use and pharmaceutical compositions thereof | Human Necessities | 289 | Expired |
| US4424219A | 9-Thiomaytansinoids and their pharmaceutical compositions and use | Human Necessities | 288 | Expired |
| US4294757A | 20-O-Acylmaytansinoids | Chemistry; Metallurgy | 287 | Expired |
| US5478337A | Medicine container | Human Necessities | 272 | Expired |
| US5026560A | Spherical granules having core and their production | Human Necessities | 246 | Expired |
| US4687777A | Thiazolidinedione derivatives, useful as antidiabetic agents | Chemistry; Metallurgy | 227 | Expired |
| US5061492A | Prolonged release microcapsule of a water-soluble drug | Emerging Cross-Sectional Technologies | 223 | Expired |
| US4500327A | Process for removal of mercury vapor and adsorbent therefor | Performing Operations; Transporting | 204 | Expired |
| US6113943A | Sustained-release preparation capable of releasing a physiologically active substance | Human Necessities | 204 | Expired |
| US4659696A | Pharmaceutical composition and its nasal or vaginal use | Emerging Cross-Sectional Technologies | 203 | Expired |
| US4137230A | Method for the production of maytansinoids | Chemistry; Metallurgy | 181 | Expired |
| US6267981A | Method of producing sustained-release preparation | Human Necessities | 173 | Expired |
| US5750349A | Antibodies to .beta.-amyloids or their derivatives and use thereof | Human Necessities | 167 | Expired |
| US4628098A | 2-[2-pyridylmethylthio-(sulfinyl)]benzimidazoles | Chemistry; Metallurgy | 166 | Expired |
| US4260608A | Maytansinoids, pharmaceutical compositions thereof and methods of use thereof | Human Necessities | 164 | Expired |
| US4153689A | Stable insulin preparation for nasal administration | Human Necessities | 157 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.