Walter Pfefferle
85Patents
9h-index
66Co-inventors
81Inventor score
Filing activity: Jun 3, 1996 → Apr 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5770409A | Fermentative preparation of lysine with a strain of C. glutamicum | Chemistry; Metallurgy | 39 | Expired |
| US6897055B2 | Nucleotide sequences coding for the genes sucC and sucD | Chemistry; Metallurgy | 33 | Expired |
| US6623946B1 | Nucleotide sequences encoding the sucC and sucD genes | Chemistry; Metallurgy | 31 | Expired |
| US7118904B2 | Nucleotide sequences which code for the eno gene | Chemistry; Metallurgy | 20 | Expired |
| US6238714A | Feedstuff additive which contains D-pantothenic acid and/or its salts and a process for the preparation thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6759218B2 | Nucleotide sequences coding for the glbO gene | Chemistry; Metallurgy | 17 | Expired |
| US6746855B2 | L-lysine-producing corynebacteria and process for the preparation of L-lysine | Chemistry; Metallurgy | 12 | Expired |
| US6861246B2 | L-lysine-producing corynebacteria and process for the preparation of lysine | Chemistry; Metallurgy | 12 | Expired |
| US6184006A | Method for the fermentative production of D-pantothenic acid using strains of the family enterobacteriaceae | Chemistry; Metallurgy | 9 | Expired |
| US5840551A | Method of producing L-amino acids by fermentation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7049106B2 | Process for the production of L-amino acids by fermentation using coryneform bacteria with an attenuated mqo gene | Chemistry; Metallurgy | 8 | Expired |
| US7144724B2 | Process for the production of L-amino acids by fermentation using coryneform bacteria | Chemistry; Metallurgy | 8 | Expired |
| US6822085B2 | Nucleotide sequences which code for the cysD, cysN, cysK, cysE and cysH genes | Chemistry; Metallurgy | 8 | Expired |
| US6670156B1 | Polynucleotide encoding a diaminopimelate epimerase from Corynebacterium glutamicum | Chemistry; Metallurgy | 6 | Expired |
| US6133000A | Fermentative preparation of amino acids | Chemistry; Metallurgy | 6 | Expired |
| US5795732A | Stirred-tank reactors and method of use | Chemistry; Metallurgy | 6 | Expired |
| US6783967B2 | Nucleotide sequences which code for the rpoB gene | Chemistry; Metallurgy | 5 | Expired |
| US6890744B2 | Methods for producing amino acids in coryneform bacteria using an enhanced sigD gene | Chemistry; Metallurgy | 5 | Expired |
| US7078502B2 | Nucleotide sequences for encoding of the lysR2-gene | Chemistry; Metallurgy | 5 | Expired |
| US7524657B2 | Alleles of the sigA gene from coryneform bacteria | Chemistry; Metallurgy | 5 | Expired |
| US7037689B2 | Methods for producing amino acids in coryneform bacteria using an enhanced sigC gene | Chemistry; Metallurgy | 5 | Expired |
| US6825030B2 | Nucleotide sequences encoding a sensor kinase, citA, from corynebacterium glutamicum | Chemistry; Metallurgy | 5 | Expired |
| US6582939B1 | Process for the preparation of alkaline earth salts of D-pantothenic acid | Chemistry; Metallurgy | 5 | Expired |
| US6689586B2 | Nucleotide sequences which code for the CcpA2 gene | Chemistry; Metallurgy | 5 | Expired |
| US7026158B2 | Nucleotide sequences which code for the mikE17 gene | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.