Hiroshi Tsumuki
4Patents
2h-index
17Co-inventors
37Inventor score
Filing activity: Dec 22, 1993 → Sep 23, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5646283A | Tetracyclic compound | Chemistry; Metallurgy | 21 | Expired |
| US6222035A | [1,2,4] triazolo [1,5-C] pyrimidine derivatives | Human Necessities | 14 | Expired |
| US6306847A | Condensed purine derivatives | Human Necessities | 2 | Expired |
| US5371225A | Tetracyclic compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.