Kouichi Doi
5Patents
4h-index
6Co-inventors
46Inventor score
Filing activity: Mar 14, 1978 → Jul 26, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4880127A | Composite vessel lid | Performing Operations; Transporting | 29 | Expired |
| US5060818A | Heat-resistant liner-provided vessel closure and process for preparation thereof | Chemistry; Metallurgy | 19 | Expired |
| US4157143A | Sales promoting-purpose bottle closure | Physics | 19 | Expired |
| US4260478A | Apparatus for classifying particles | Performing Operations; Transporting | 18 | Expired |
| US5289931A | Pilfer-proof synthetic resin cap | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.