Nobuo Okabe
16Patents
6h-index
25Co-inventors
66Inventor score
Filing activity: Sep 4, 1981 → Dec 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4515453A | Camera having a flash unit built therein | Physics | 34 | Expired |
| US4464037A | Motor-driven camera capable of automatic focus control | Physics | 32 | Expired |
| US4482234A | Automatic focusing device | Physics | 31 | Expired |
| US4456356A | Focus adjusting device of a camera | Physics | 23 | Expired |
| US4540264A | Photographing lens focusing device | Physics | 7 | Expired |
| US9632062B2 | Ultrasonic pipe measurement apparatus | Physics | 7 | Active |
| US4422746A | Auto focus camera | Physics | 4 | Expired |
| US4451729A | Automatic focusing device and lens motor control | Physics | 4 | Expired |
| US4405220A | Automatic focusing apparatus for a camera | Physics | 4 | Expired |
| US10305793B2 | Communication device for switching stacks and method of controlling execution of stacks | Emerging Cross-Sectional Technologies | 0 | Active |
| US9864908B2 | Slow change detection system | Physics | 0 | Active |
| US8566587B2 | Network system and method for operating network system | Electricity | 0 | Active |
| US10110685B2 | Position information authoring system, position information authoring apparatus, and position information authoring method | Physics | 0 | Active |
| US9733979B2 | Communication device | Physics | 0 | Active |
| US11434724B2 | Apparatus, method, and program for estimating a state of a natural resource to be extracted | Fixed Constructions | 0 | Active |
| US11959851B2 | Pipeline thickness measurement sensor device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.