Masanori Numata
8Patents
6h-index
7Co-inventors
52Inventor score
Filing activity: May 12, 1981 → Sep 3, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5067625A | Device for opening and closing lid | Fixed Constructions | 51 | Expired |
| US4691811A | Rotary damper | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4830151A | Damper comprising rotor shaft and gear sleeve having equal external diameter portions with clutch spring wound thereabout | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4516138A | Time-clock recording and computation apparatus with optional rest processing function | Physics | 26 | Expired |
| US4701229A | Method of high frequency welding | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4423314A | Time recorder | Physics | 8 | Expired |
| US4423315A | Time recorder | Physics | 6 | Expired |
| US5197118A | Control system for a fine pattern printing apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.