Hidekazu Kai
2Patents
2h-index
7Co-inventors
30Inventor score
Filing activity: May 14, 1990 → Aug 23, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5064255A | Opening/closing device of a door member | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5222792A | Opening/closing device of a door member | Mechanical Engineering; Lighting; Heating | 16 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.