Kazuo Sakane
54Patents
20h-index
44Co-inventors
88Inventor score
Filing activity: Feb 28, 1977 → Jan 29, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5763437A | Benzodiazepine derivatives | Human Necessities | 60 | Expired |
| US5663163A | Cephem compounds and processes for preparation thereof | Chemistry; Metallurgy | 32 | Expired |
| US5244890A | Cephem compounds | Chemistry; Metallurgy | 31 | Expired |
| US4550102A | Cephem compounds | Human Necessities | 30 | Expired |
| US5376634A | Polypeptide compound and a process for preparation thereof | Human Necessities | 29 | Expired |
| US5215982A | Cephem compounds | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4332798A | 7-Amino-thia-diazole oxyimino derivatives of cephem and cephem compounds | Chemistry; Metallurgy | 26 | Expired |
| US4268509A | New cephem compounds and processes for preparation thereof | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4927818A | Cephem compounds and processes for preparation thereof | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4425340A | Cephem and cepham compounds | Chemistry; Metallurgy | 24 | Expired |
| US4267176A | Amino or acylamino-substituted pyrimidinyl cephalosporanic acid derivatives and pharmaceutical compositions thereof | Chemistry; Metallurgy | 24 | Expired |
| US5173485A | Cephem compounds | Chemistry; Metallurgy | 24 | Expired |
| US4952578A | Cephem compound and a process for preparation thereof | Human Necessities | 23 | Expired |
| US4331665A | Cephem and cepham compounds | Chemistry; Metallurgy | 22 | Expired |
| US4332800A | Cephem compounds | Chemistry; Metallurgy | 20 | Expired |
| US4761410A | Cephem Compounds | Human Necessities | 20 | Expired |
| US4457928A | Cephem compounds | Chemistry; Metallurgy | 20 | Expired |
| US4390534A | Cephem and cepham compounds | Chemistry; Metallurgy | 20 | Expired |
| US4590186A | Cephem compounds having 3-bicyclic heterocyclic cation groups | Human Necessities | 20 | Expired |
| US4563449A | Cephem compounds | Chemistry; Metallurgy | 20 | Expired |
| US4495182A | Cephem compounds | Chemistry; Metallurgy | 20 | Expired |
| US4960766A | Cephem compounds | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4521413A | Cephem compounds | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4407798A | Cephem compounds | Chemistry; Metallurgy | 19 | Expired |
| US5109130A | Cephem compound | Chemistry; Metallurgy | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.