Nobuo Choh
17Patents
7h-index
12Co-inventors
59Inventor score
Filing activity: Jun 9, 1987 → Dec 14, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5807869A | Quinoline derivatives, their production and use | Chemistry; Metallurgy | 32 | Expired |
| US6340686B1 | Thienopyrimidine compounds, their production and use | Human Necessities | 28 | Expired |
| US6297379A | Thienopyrimidine compounds, their production and use | Human Necessities | 28 | Expired |
| US5817819A | Condensed-ring thiophene derivatives, their production and use | Human Necessities | 21 | Expired |
| US6048863A | Condensed-ring thiophene derivatives and thienopyrimidine derivatives, their production and use | Chemistry; Metallurgy | 10 | Expired |
| US6087503A | Quinoline derivatives, their production and use | Chemistry; Metallurgy | 9 | Expired |
| US5744479A | Thienopyridine compounds which have useful pharmaceutical activity | Chemistry; Metallurgy | 7 | Expired |
| US6187788A | Condensed-ring thiophene derivatives, their production and use | Human Necessities | 7 | Expired |
| US6180792A | Condensed-ring thiophene derivatives and thienopyrimide derivatives, their production and use | Chemistry; Metallurgy | 4 | Expired |
| US4876251A | Tricyclic penam compounds, their production and their use | Chemistry; Metallurgy | 3 | Expired |
| US6329388A | Thienopyridine compounds, their production and use | Human Necessities | 1 | Expired |
| US6140325A | Thienopyrimidine derivatives, their production and use | Chemistry; Metallurgy | 1 | Expired |
| US6262267A | Thienopyridine compound | Human Necessities | 1 | Expired |
| US4956358A | Tricyclic cepham compounds and use | Human Necessities | 1 | Expired |
| US6297255A | Thienopyridine compounds, their production and use | Chemistry; Metallurgy | 1 | Expired |
| US4891427A | Tricyclic cepham compounds | Human Necessities | 1 | Expired |
| US6514988B1 | Condensed-ring thiophene derivatives, their production and use | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.