Haruyo Sato
14Patents
3h-index
13Co-inventors
57Inventor score
Filing activity: Dec 31, 1979 → Dec 22, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7358384B2 | Processes for the recovery of optically active diacyltartaric acids | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6348600B1 | Methods for making optically active 3-aminopyrrolidine-2,5-dione derivative and optically active 3-aminopyrrolidine derivative | Chemistry; Metallurgy | 4 | Expired |
| US4297477A | Polyamide having --NH--(CH.sub.2).sub.4 --CH(NRR')--CO--units | Chemistry; Metallurgy | 3 | Expired |
| US5451687A | Process for producing O,O'-diacyltartaric anhydride and process for producing O,O'-diacyltartaric acid | Chemistry; Metallurgy | 3 | Expired |
| US4399289A | 2-Diphenylmethyleneamino-3-indolylpropionitrile and alkyl esters of 2-diphenylmethylene-amino-3-indolylpropionic acid | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6130338A | Method of producing pyrrolidine derivatives | Chemistry; Metallurgy | 2 | Expired |
| US6320069A | Production of optically active ketone | Chemistry; Metallurgy | 2 | Expired |
| US4904589A | Process for producing D-(31)-tartaric acid | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6706916B1 | Optically active amino acid derivatives and processes for the preparation of the same | Chemistry; Metallurgy | 1 | Expired |
| US6962998B2 | Processes for producing racemic piperidine derivative and for producing optically active piperidine derivative | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5952503A | Method for producing optically-active 2-piperazinecarboxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
| US6479668B1 | Method of producing pyrrolidine derivatives | Chemistry; Metallurgy | 0 | Expired |
| US7569690B2 | Process for producing oxycarbonyl-substituted piperazine derivative | Chemistry; Metallurgy | 0 | Expired |
| US5422255A | Method for producing D-alanine | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.