Fujio Yu
26Patents
5h-index
40Co-inventors
69Inventor score
Filing activity: Jul 20, 1990 → Aug 31, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5872000A | Nitrilase gene | Chemistry; Metallurgy | 17 | Expired |
| US5776771A | Kanamycin resistance gene derived from microorganisms of the genus rhodococcus | Chemistry; Metallurgy | 14 | Expired |
| US5210031A | Process for the production of R(-)-4-halo-3-hydroxybutyronitrile | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5166061A | Process for the production of 4-halo-3-hydroxybutyronitrile with Corynebacterium or Microbacterium | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7122378B1 | Carriers having biological substance | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5602014A | Regulatory system for expression of nitrilase gene | Chemistry; Metallurgy | 5 | Expired |
| US5246857A | Circular plasmids derived from the genus rhodococcus | Chemistry; Metallurgy | 5 | Expired |
| US6617139B1 | Amidase gene | Chemistry; Metallurgy | 3 | Expired |
| US8030053B2 | Substitutional variants of hydroxynitrile lyase with high specific activity and methods of use | Chemistry; Metallurgy | 3 | Active |
| US5654180A | Hybrid plasmid vectors, recombinant plasmids containing genes encoding nitrile degrading enzymes, transformants containing the recombinant plasmids and methods of producing amides and acids using the transformants | Chemistry; Metallurgy | 2 | Expired |
| US5705386A | Circular plasmids | Chemistry; Metallurgy | 2 | Expired |
| US8409841B2 | Hydroxynitrile lyase | Chemistry; Metallurgy | 0 | Active |
| US8383389B2 | Hydroxynitrile lyase | Chemistry; Metallurgy | 0 | Active |
| US10323264B2 | Method for producing methacrylyl-CoA | Chemistry; Metallurgy | 0 | Active |
| US9051597B2 | Fluorescent substrate for detection of enzymatic activity of nitrile-related enzyme | Chemistry; Metallurgy | 0 | Active |
| US10294500B2 | Method for producing methacrylic acid and/or ester thereof | Chemistry; Metallurgy | 0 | Active |
| US7803578B2 | Heat-resistant nitrile hydratase | Chemistry; Metallurgy | 0 | Active |
| US10570426B2 | Method for producing methacrylic acid ester and novel methacrylic acid ester synthetase | Chemistry; Metallurgy | 0 | Active |
| US7645605B2 | Heat-resistant nitrile hydratase | Chemistry; Metallurgy | 0 | Expired |
| US7557202B2 | DNA fragments containing gene having function relating to autonomous proliferation of plasmid | Chemistry; Metallurgy | 0 | Expired |
| US8697383B2 | Fluorescent substrate for detection of enzymatic activity of nitrile-related enzyme | Chemistry; Metallurgy | 0 | Active |
| US10851392B2 | Method for producing methacrylic acid ester | Chemistry; Metallurgy | 0 | Active |
| US10907136B2 | Method for producing mutant enzyme, and mutant alcohol acyltransferase | Chemistry; Metallurgy | 0 | Active |
| US11667939B2 | Method for producing methacrylyl-CoA | Chemistry; Metallurgy | 0 | Active |
| US12281347B2 | Method for producing 3-hydroxyisobutyric acid ester and methacrylic ester | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.