Fumio Sakamoto
12Patents
4h-index
18Co-inventors
53Inventor score
Filing activity: Apr 27, 1981 → Feb 8, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4342693A | 1,3-Dioxolen-2-one derivatives and process for production thereof | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5166203A | Quinolinecarboxylic acid derivatives, antibacterial agent containing the same | Chemistry; Metallurgy | 4 | Expired |
| US4971967A | Quinolinecarboxylic acid derivatives, antibacterial compositions and use | Chemistry; Metallurgy | 4 | Expired |
| US4455310A | Quinolinecarboxylic acid derivative, and antibacterial agent containing said compound as active ingredient | Human Necessities | 4 | Expired |
| US4428806A | Process for producing brominated 1,3-dioxolen-2-ones | Chemistry; Metallurgy | 3 | Expired |
| US4389408A | Novel ampicillin esters and production thereof | Chemistry; Metallurgy | 3 | Expired |
| US4416891A | Ester of 6-[(hexahydro-1H-azepin-1-yl)methyleneamino]penicillanic acid, and its use as antibacterial agent | Chemistry; Metallurgy | 1 | Expired |
| US4448769A | Ester of 1,1-dioxopenicillanic acid, and use thereof as .beta.-lactamase inhibitor | Chemistry; Metallurgy | 1 | Expired |
| US5008389A | Quinolinecarboxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
| US5191079A | Quinolinecarboxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
| US5795891A | Acylphenylglycine derivative and preventive and remedy for diseases caused by increased collagenase activity containing said compound as active ingredient | Chemistry; Metallurgy | 0 | Expired |
| US4777267A | 1,3-dioxol-2-one derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.