Sakae Obara
15Patents
4h-index
16Co-inventors
57Inventor score
Filing activity: Oct 29, 1990 → Dec 28, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6680069B1 | Low-substituted hydroxypropyl cellulose and process for manufacturing the same | Chemistry; Metallurgy | 6 | Expired |
| US6559134B2 | Solid preparation containing low-substituted hydroxypropyl cellulose and production process thereof | Human Necessities | 6 | Expired |
| US6525192B2 | Low-substituted hydroxypropyl cellulose and process for producing same | Chemistry; Metallurgy | 5 | Expired |
| US6849729B2 | Low-substituted cellulose ether powder and production process thereof | Chemistry; Metallurgy | 4 | Expired |
| US6380381B1 | Low-substituted hydroxypropyl cellulose | Chemistry; Metallurgy | 3 | Expired |
| US5086077A | Endermic medicament with a gel base | Human Necessities | 2 | Expired |
| US11090295B2 | Hypromellose acetate succinate for use as hot-melt extrusion carrier, hot-melt extrusion composition, and method for producing hot-melt extrudate | Emerging Cross-Sectional Technologies | 1 | Active |
| US10016508B2 | Composition for hot-melt extrusion and method for producing hot-melt extrusion product using same | Chemistry; Metallurgy | 1 | Active |
| US10493161B2 | Solution for spray drying comprising hypromellose acetate succinate and method for producing solid dispersion | Human Necessities | 1 | Active |
| US7087093B2 | Modification of fibers or fabrics | Textiles; Paper | 0 | Expired |
| US6946204B2 | Paper/film composite structure and making method | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10646573B2 | Composition for hot melt extrusion and method for producing hot melt extrudate by using same | Chemistry; Metallurgy | 0 | Active |
| US11833252B2 | Aqueous enteric coating composition | Human Necessities | 0 | Active |
| US12285486B2 | Pharmaceutical composition in solid extruded form | Human Necessities | 0 | Active |
| US8021690B2 | Solid preparation coated with a film coating layer and film coating agent | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.