Masaaki Ishida
7Patents
6h-index
12Co-inventors
52Inventor score
Filing activity: May 7, 1981 → Feb 3, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4430430A | Method for producing L-arginine by fermentation | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4601983A | Coryneform bacteria carrying recombinant plasmids and their use in the fermentative production of L-threonine and L-isoleucine | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4514502A | Composite plasmid | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4560654A | Method for producing L-lysine by fermentation | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4946781A | Recombinant DNA, bacteria carrying said recombinant DNA and a process for producing L-threonine or L-isoleucine using said bacteria | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4778762A | Plasmid | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4885245A | Process for producing L-tryptophan | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.