Yozo Utsumi
2Patents
2h-index
5Co-inventors
33Inventor score
Filing activity: Feb 11, 1986 → Aug 25, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4807954A | Optical coupling device | Physics | 55 | Expired |
| US5361157A | Bidirectional light transmission system and optical device therefor | Physics | 27 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.