Hitoshi Enei
11Patents
4h-index
21Co-inventors
56Inventor score
Filing activity: Oct 24, 1974 → Feb 4, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3960660A | Method of producing guanosine by fermentation | Chemistry; Metallurgy | 9 | Expired |
| US3960661A | Method for producing inosine by fermentation | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4968609A | Coryneform bacteria carrying recombinant DNA and a process for producing aromatic amino acids using said bacteria | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4504581A | Method for producing L-histidine by fermentation | Emerging Cross-Sectional Technologies | 5 | Expired |
| US3969188A | Method of producing guanosine by fermentation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4588687A | Method for producing L-tryptophan by fermentation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4403033A | Method for producing L-phenylalanine by fermentation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5272067A | Process for producing L-glutamic acid | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4560652A | Process for producing L-tryptophan by fermentation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US3993543A | Process for producing pyruvic acid by fermentation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4591562A | Method for producing L-phenylalanine by fermentation | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.