Koji Sumida
4Patents
2h-index
5Co-inventors
41Inventor score
Filing activity: Dec 28, 1984 → Jun 21, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4671564A | Ventilating device for a roof opening of vehicles | Performing Operations; Transporting | 36 | Expired |
| US8408814B2 | Optical connector | Physics | 2 | Active |
| US9410023B2 | Protective film for polarizing plate and polarizing plate using the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US9650481B2 | Protective film for polarizing plate and polarizing plate using the same | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.