Randy Berka
63Patents
13h-index
53Co-inventors
87Inventor score
Filing activity: Sep 25, 1989 → Nov 11, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5364770A | Heterologous polypeptides expressed in aspergillus | Chemistry; Metallurgy | 74 | Expired |
| US5578463A | Heterologous polypeptides expressed in filamentous fungi, processes for making same, and vectors for making same | Chemistry; Metallurgy | 72 | Expired |
| US6509171B1 | Aspartic proteinase deficient filamentous fungi | Chemistry; Metallurgy | 38 | Expired |
| US7018794B2 | Methods for monitoring multiple gene expression | Chemistry; Metallurgy | 36 | Expired |
| US5821102A | Nucleic acids encoding polyeptides having absidia lipase activity | Chemistry; Metallurgy | 32 | Expired |
| US6682922B2 | Polypeptides having phospholipase activity and nucleic acids encoding same | Chemistry; Metallurgy | 29 | Expired |
| US7413882B2 | Methods for degrading or converting plant cell wall polysaccharides | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5840570A | Aspartic proteinase deficient filamentous fungi | Chemistry; Metallurgy | 26 | Expired |
| US6090604A | Polypeptides having galactose oxidase activity and nucleic acids encoding same | Chemistry; Metallurgy | 26 | Expired |
| US6171817A | Heterologous polypeptides expressed in filamentous fungi, process for making same, and vectors for making same | Chemistry; Metallurgy | 19 | Expired |
| US5879921A | Recombinant expression of a glucose oxidase from a cladosporium strain | Chemistry; Metallurgy | 16 | Expired |
| US5843745A | Purified scytalidium laccases and nucleic acids encoding same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7494798B2 | Bacillus licheniformis chromosome | Chemistry; Metallurgy | 15 | Active |
| US5866118A | Polypeptides having 3g6-phytase activity from thermomyces and nucleic acids encoding same | Chemistry; Metallurgy | 13 | Expired |
| US7863032B2 | Bacillus licheniformis chromosome-encoded endoglucanase | Chemistry; Metallurgy | 12 | Active |
| US5360732A | Production of Aspergillus niger catalase-R | Chemistry; Metallurgy | 11 | Expired |
| US5965418A | Haloperoxidases from Curvularia verruculosa and nucleic acids encoding same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5795760A | Purified Myceliophthora laccases and nucleic acids encoding same | Chemistry; Metallurgy | 10 | Expired |
| US6942973B2 | Methods for isolating genes from microorganisms | Chemistry; Metallurgy | 10 | Expired |
| US6103490A | Heterologous polypeptides expressed in filamentous fungi, processes for making same, and vectors for making same | Chemistry; Metallurgy | 9 | Expired |
| US5981243A | Purified myceliophthora laccases and nucleic acids encoding same | Chemistry; Metallurgy | 9 | Expired |
| US6004785A | Heterologous polypeptides expressed in filamentous fungi, processes for making same, and vectors for making same | Chemistry; Metallurgy | 9 | Expired |
| US5360901A | Gene sequence encoding Aspergillus niger catalase-R | Chemistry; Metallurgy | 7 | Expired |
| US5736374A | Increased production of .beta.-galactosidase in aspergillus oryzae | Chemistry; Metallurgy | 7 | Expired |
| US6361973B1 | Promoters for expressing genes in a fungal cell | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.