Yozo Todo
11Patents
8h-index
20Co-inventors
68Inventor score
Filing activity: Jan 17, 1986 → Aug 10, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4704459A | Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediates | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5935952A | Quinolone- or naphthylidone-carboxylic acid derivates or their salts | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5280032A | 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same | Chemistry; Metallurgy | 11 | Expired |
| US4851535A | Nicotinic acid derivatives | Chemistry; Metallurgy | 11 | Expired |
| US5612381A | 1,2-ethanediol derivative and salt thereof process for producing the same, and cerebral function-improving agent comprising the same | Chemistry; Metallurgy | 10 | Expired |
| US5658904A | 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same | Chemistry; Metallurgy | 10 | Expired |
| US5719150A | 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same | Chemistry; Metallurgy | 9 | Expired |
| US5472984A | 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same | Chemistry; Metallurgy | 9 | Expired |
| US6025370A | Quinolonecarboxylic acid derivatives or salts thereof | Chemistry; Metallurgy | 8 | Expired |
| US4990508A | Pyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5872117A | 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.