Junzo Hasegawa
32Patents
7h-index
48Co-inventors
69Inventor score
Filing activity: Oct 27, 1980 → Sep 25, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6645746B1 | Carbonyl reductase, gene thereof and method of using the same | Chemistry; Metallurgy | 133 | Expired |
| US7169592B2 | Producing optically active amino compounds | Chemistry; Metallurgy | 41 | Expired |
| US6346402B1 | (S)-&agr;-phenethylamine: pyruvate transaminase | Chemistry; Metallurgy | 32 | Expired |
| US6221638A | Process for producing optically active amino compounds | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6344351B2 | (R)-transaminase from arthrobacter | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6218156A | Gene encoding carbonyl reductase, and methods for its use | Chemistry; Metallurgy | 19 | Expired |
| US4857468A | Process for preparing optically active 2-halo-1-phenyl ethanol | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4588694A | Process for production of optically active oxazolidinone derivative | Chemistry; Metallurgy | 7 | Expired |
| US5266485A | Method of manufacturing optically active (-)-2-halo-1-(substituted phenyl) ethanol by ketone reduction | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6448052B2 | Carbonyl reductase enzyme and methods for its use | Chemistry; Metallurgy | 7 | Expired |
| US4415657A | Process for preparation of an optically active monoalkyl ester of .beta.-(S)-aminoglutaric acid | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5616726A | Optically active aminoalcohol derivatives and method of producing same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6762037B1 | Process for producing coenzyme Q10 | Chemistry; Metallurgy | 4 | Expired |
| US6461842B1 | Process for producing coenzyme Q10 | Chemistry; Metallurgy | 3 | Expired |
| US4981796A | Manufacturing method of optically-active 1,2-diols | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4310635A | Fermentative production of D(-)-.beta.-hydroxyisobutyric acid | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4910320A | Process for preparing 3-pyrrolidinol | Chemistry; Metallurgy | 3 | Expired |
| US5767295A | Process for producing 2-substituted optically active 2,3-dihydro-4H-pyran-4-one | Chemistry; Metallurgy | 2 | Expired |
| USRE36718E | Optically active aminoalcohol derivatives and method of producing same | General | 2 | Expired |
| US6121477A | Sulfonic ester derivatives, process for preparing the same, and use thereof | Chemistry; Metallurgy | 1 | Expired |
| US4540665A | Process for producing D-.beta.-hydroxyalkanoic acid | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5187094A | Method for the preparation of optically active 3-hydroxypyrrolidine derivatives | Chemistry; Metallurgy | 1 | Expired |
| US5223647A | Chemical modification method of diastereomer and separation method thereof | Chemistry; Metallurgy | 0 | Expired |
| US6410773B1 | Sulfonic acid ester derivatives, method for production thereof and use thereof | Chemistry; Metallurgy | 0 | Expired |
| US5840553A | Process for preparing 1,2-propanediol derivative compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.