Sigeru Kajiyama
4Patents
3h-index
10Co-inventors
47Inventor score
Filing activity: Jul 26, 1979 → Jul 12, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4331034A | Ultrasonic probing apparatus | Physics | 27 | Expired |
| US4279158A | Ultrasonic flaw detector driving apparatus | Physics | 5 | Expired |
| US4515018A | Guide rail apparatus for an object running around piping | Physics | 4 | Expired |
| US5122991A | Distance measuring apparatus and method | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.