Minoru Kumakura
15Patents
9h-index
29Co-inventors
68Inventor score
Filing activity: Dec 6, 1974 → Nov 27, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4769082A | Method of pretreatment in saccharification and fermentation of waste cellulose resource | Emerging Cross-Sectional Technologies | 90 | Expired |
| US4321117A | Process for preparing a polymer composition | Human Necessities | 61 | Expired |
| US4411754A | Process for preparing a polymer composition | Human Necessities | 45 | Expired |
| US4226938A | Method for immobilizing enzymes | Chemistry; Metallurgy | 29 | Expired |
| US3983083A | Soft contact lenses and process for preparation thereof | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4272617A | Immobilization of enzymes or bacteria cells | Chemistry; Metallurgy | 25 | Expired |
| US4839109A | Process for producing a contact lens | Physics | 23 | Expired |
| US4552633A | Fine particulate for use in clinical testing and a process for producing thereof | Chemistry; Metallurgy | 17 | Expired |
| US4177107A | Process for producing composition containing insolubilized enzyme and/or insolubilized bacterial cells | Chemistry; Metallurgy | 11 | Expired |
| US4912000A | Electrophotographic photoreceptor | Physics | 7 | Expired |
| US4997738A | Electrophotographic photoreceptor having silicate with perfluoroalkyl groups in protective layer | Physics | 7 | Expired |
| US4582719A | Process for producing a slow release composite | Human Necessities | 5 | Expired |
| US5061057A | Porous contact lens and method for making it | Performing Operations; Transporting | 3 | Expired |
| US4311732A | Primer composition and a process for producing a coated product using the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4904708A | Method of manufacturing soft contact lens material | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.