Masami Okabe
26Patents
9h-index
61Co-inventors
78Inventor score
Filing activity: Apr 12, 1989 → Dec 2, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6245900A | Platelet production promoting agent | Human Necessities | 69 | Expired |
| US5214132A | Polypeptide derivatives of human granulocyte colony stimulating factor | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5344926A | Process for producing staurosporine derivatives | Chemistry; Metallurgy | 34 | Expired |
| US5362853A | Polypeptide derivatives of human granulocyte colony stimulating factor | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5681720A | DNA encoding human granulocyte colony stimulating factor plasmids and host cells comprising same, and methods of expressing the encoded polypeptide | Human Necessities | 24 | Expired |
| US6027720A | G-CSF conjugate | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5795968A | Polypeptide derivatives of human granulocyte colony stimulating factor | Human Necessities | 14 | Expired |
| US5674867A | Indolocarbazole derivatives and therapeutic method for stimulating megakaicyocyte production | Chemistry; Metallurgy | 10 | Expired |
| US5629304A | Therapeutic agent for thrombocytopenia and indolocarbazole derivatives | Chemistry; Metallurgy | 10 | Expired |
| US5952355A | Propenone derivatives | Chemistry; Metallurgy | 6 | Expired |
| US5789607A | Process for the preparation of 1,25-dihydroxy-16-ene-23-yne-cholecalciferol | Chemistry; Metallurgy | 5 | Expired |
| US5714581A | Polypeptide derivatives of human granulocyte colony stimulating factor | Human Necessities | 5 | Expired |
| US5604219A | Indolocarbazole derivatives that stimulate platelet production | Chemistry; Metallurgy | 5 | Expired |
| US5106868A | Epoxycyclohexenone amides with antibacterial activity | Chemistry; Metallurgy | 3 | Expired |
| US5342833A | Vitamin D3 analogs | Chemistry; Metallurgy | 3 | Expired |
| US5885830A | Anti-ribonucleotide reductase R2 subunit monoclonal antibody | Chemistry; Metallurgy | 2 | Expired |
| US5565489A | Epoxycyclohexenedione derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5393900A | Steroid intermediates for the formation of vitamin D.sub.3 analogues | Chemistry; Metallurgy | 2 | Expired |
| US5994518A | Method of producing a polypeptide having human granulocyte colony stimulating factor activity | Human Necessities | 1 | Expired |
| US6291694A | Process and intermediates useful to produce vitamin D analogs | Chemistry; Metallurgy | 0 | Expired |
| US5300705A | Process for the preparation of 1.alpha.,25,26-trihydroxy-22-ene-cholecalciferol | Chemistry; Metallurgy | 0 | Expired |
| US6353123B1 | Process and intermediates useful to produce vitamin D analogs | Chemistry; Metallurgy | 0 | Expired |
| US7592311B2 | Platelet production promoting agent | Human Necessities | 0 | Active |
| US6294688A | Process useful to produce vitamin D analogs | Chemistry; Metallurgy | 0 | Expired |
| US5066800A | Qunoline intermediates useful therein for synthesizing antibacterial compounds | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.