Kenji Samejima
14Patents
4h-index
30Co-inventors
56Inventor score
Filing activity: Mar 29, 1996 → Jan 9, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5864374A | Method and apparatus for image generation | Electricity | 18 | Expired |
| US7021772B2 | Projection lens device and projector | Electricity | 9 | Expired |
| US7993017B2 | Projection display apparatus | Physics | 4 | Active |
| US7111946B2 | Lens device and projector having diaphragm mechanisms with substantially triangular apertures | Electricity | 4 | Expired |
| US7111947B2 | Lens device and projector having diaphragm mechanisms with substantially square apertures | Electricity | 3 | Expired |
| US7163298B2 | Lens device and projector having diaphragm mechanisms with substantially trapezoidal apertures | Electricity | 3 | Expired |
| US7114815B2 | Lens device and projector having diaphragm mechanisms with apertures having inwardly curved sides | Electricity | 3 | Expired |
| US9599316B2 | Light source device using monochromatic light to excite stationary phosphor layers | Electricity | 3 | Active |
| US9310033B2 | Light source device and projection-type display apparatus | Electricity | 3 | Active |
| US7104655B2 | Projector having an image signal controller | Electricity | 2 | Expired |
| US8162488B2 | Projection display apparatus | Physics | 2 | Active |
| US7114814B2 | Projector having an illuminance detector | Electricity | 2 | Expired |
| US9467670B2 | Projection display device | Physics | 1 | Active |
| US8345190B2 | Polarization optical system and projection-type liquid-crystal display device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.