Chika Kikuchi
8Patents
3h-index
29Co-inventors
53Inventor score
Filing activity: Dec 28, 1998 → Jul 10, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6355642B1 | Tetrahydrobenzindole compounds | Chemistry; Metallurgy | 5 | Expired |
| US6498251B1 | Tetrahydrobenzindole derivatives | Chemistry; Metallurgy | 5 | Expired |
| US6576627B1 | Phosphonic acid derivatives having carboxypeptidase b inhibitory activity | Chemistry; Metallurgy | 4 | Expired |
| US7879808B2 | Lincomycin derivatives and antimicrobial agents comprising the same as active ingredient | Human Necessities | 3 | Active |
| US6407112B1 | Optically active tetrahydrobenzindole derivative | Chemistry; Metallurgy | 3 | Expired |
| US6737416B2 | Phosphonic acid derivative having inhibitory activity against carboxypeptidase B | Chemistry; Metallurgy | 1 | Expired |
| US9850235B2 | PDE4 inhibitor | General | 0 | Revoked |
| US9890142B2 | PDE4 inhibitor | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.