Jun Nitta
8Patents
3h-index
23Co-inventors
49Inventor score
Filing activity: Jul 16, 1980 → Apr 13, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4698352A | 4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and antibacterial agents containing the same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4990508A | Pyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4436921A | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Human Necessities | 3 | Expired |
| US4477666A | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Human Necessities | 2 | Expired |
| US4477664A | Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or acid addition salts thereof | Human Necessities | 1 | Expired |
| US4448963A | 4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Human Necessities | 1 | Expired |
| US4460774A | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Human Necessities | 1 | Expired |
| US4459407A | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.