Daisuke Ejima
20Patents
6h-index
24Co-inventors
69Inventor score
Filing activity: Oct 29, 1991 → Jun 11, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5200395A | Pharmaceutical composition of BUF-5 for treating anemia | Human Necessities | 68 | Expired |
| US8084032B2 | Purification method which prevents denaturation of an antibody | Chemistry; Metallurgy | 31 | Active |
| US8435527B2 | Purification method which prevents denaturation of an antibody | Chemistry; Metallurgy | 19 | Active |
| US6084076A | Method of refolding human activin A | Chemistry; Metallurgy | 12 | Expired |
| US6833258B2 | Process for producing transglutaminase | Chemistry; Metallurgy | 12 | Expired |
| US8470328B2 | Purification method which prevents denaturation of an antibody | Chemistry; Metallurgy | 9 | Active |
| US7759799B2 | Substrate and semiconductor device | Emerging Cross-Sectional Technologies | 6 | Active |
| US7501495B2 | Method for improving recovery yield in protein purification with gel filtration chromatography | Chemistry; Metallurgy | 5 | Expired |
| US7635912B2 | Semiconductor device | Electricity | 5 | Active |
| US8564936B2 | Portable information processing terminal | Electricity | 4 | Active |
| US5610284A | Method of purification of human BCDF | Human Necessities | 3 | Expired |
| US8925152B2 | Folding portable device, hinge mechanism for the device, and method of opening the device | Electricity | 2 | Active |
| US6756482B1 | Purified human activin and process for producing the same | Human Necessities | 1 | Expired |
| US8669045B2 | Method for inactivating viruses with slightly acidic arginine | Chemistry; Metallurgy | 1 | Active |
| US9872499B2 | Virus-inactivating composition containing low-molecular weight compound and arginine | Human Necessities | 1 | Active |
| US9462810B2 | Method for inactivating viruses with slightly acidic arginine | Chemistry; Metallurgy | 1 | Active |
| US8975383B2 | Protein refolding method | Chemistry; Metallurgy | 1 | Active |
| US11859205B2 | Medium for culturing stem cells | Chemistry; Metallurgy | 0 | Active |
| US8002542B2 | Heat treatment jig and heat treatment jig set | Electricity | 0 | Active |
| US10308969B2 | Method for preparing polymeric protein composed of monomeric protein produced by fusing protein having immunoglobulin fold structure to protein capable of serving as subunit structure | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.