Inventor · Tokorozawa, JP

Nobuo Okabe

16Patents
6h-index
25Co-inventors
66Inventor score

Filing activity: Sep 4, 1981 → Dec 21, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
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.