Toshihiro Sakamoto
23Patents
8h-index
58Co-inventors
78Inventor score
Filing activity: Aug 18, 2000 → Oct 25, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6326375A | Spiro compounds | Chemistry; Metallurgy | 34 | Expired |
| US6335345B1 | Spiro compounds | Chemistry; Metallurgy | 20 | Expired |
| US7834019B2 | Substituted pyrazolo[3,4-d]pyrimidinone derivatives | Human Necessities | 12 | Active |
| US7727998B2 | Melanin-concentrating hormone receptor antagonists containing piperidine derivatives as the active ingredient | Chemistry; Metallurgy | 12 | Active |
| US8436004B2 | Bicycloaniline derivative | Chemistry; Metallurgy | 11 | Active |
| US6803372B2 | Spiro compounds | Chemistry; Metallurgy | 10 | Expired |
| US6649624B2 | Spiro compounds | Chemistry; Metallurgy | 8 | Expired |
| US6388077B1 | Spiro compounds | Chemistry; Metallurgy | 8 | Expired |
| US8507505B2 | Dihydropyrazolopyrimidinone derivative | Chemistry; Metallurgy | 7 | Active |
| US7504412B2 | Imidazopyridine derivatives | Human Necessities | 5 | Expired |
| US8207169B2 | Substituted [1,2,4]triazolo[4′,3′:1,6]pyrido[2,3-b]pyrazines of the formula D | Human Necessities | 4 | Active |
| US6723847B2 | Spiro compounds | Chemistry; Metallurgy | 4 | Expired |
| US8791125B2 | Dihydropyrazolopyrimidinone derivatives | Human Necessities | 4 | Active |
| US8329711B2 | Pyridone-substituted-dihydropyrazolopyrimidinone derivative | Chemistry; Metallurgy | 4 | Active |
| US6462053B1 | Spiro compounds | Chemistry; Metallurgy | 4 | Expired |
| US8614221B2 | Inhibitors of Akt activity | Chemistry; Metallurgy | 1 | Active |
| US7304072B2 | Spiro compounds | Chemistry; Metallurgy | 1 | Expired |
| US7875633B2 | Phenylpyridone derivative | Chemistry; Metallurgy | 1 | Active |
| US9145414B2 | 1,2,4-triazine-6-carboxamide derivative | Chemistry; Metallurgy | 1 | Active |
| US8536193B2 | Inhibitors of AKT activity | Human Necessities | 0 | Active |
| US7935708B2 | Dihydropyrazolopyrimidinone derivatives | Human Necessities | 0 | Active |
| US12065430B2 | Indazole compound or salt thereof | Chemistry; Metallurgy | 0 | Active |
| US10538528B2 | 5H-pyrrolo[2,3-D]pyrimidin-6(7H)-one derivative | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.