Hideya Seki
21Patents
8h-index
12Co-inventors
68Inventor score
Filing activity: Nov 16, 1993 → May 24, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5680384A | Laser emission unit, optical head and optical memory device | Electricity | 33 | Expired |
| US5581523A | Laser emission unit, optical head and optical memory device | Electricity | 20 | Expired |
| US5444683A | Optical reporting reproducing device having fixed and movable optical systems | Physics | 19 | Expired |
| US7553033B2 | Projector and optical device | Electricity | 19 | Active |
| US6953251B2 | Projector and optical device | Electricity | 18 | Expired |
| US7390129B2 | Light source, method for manufacturing light source, and projector | Electricity | 18 | Expired |
| US7384151B2 | Projector | Electricity | 14 | Expired |
| US7081912B2 | Optical writing head such as organic EL array exposure head, method of manufacturing the same, and image forming apparatus using the same | Performing Operations; Transporting | 13 | Expired |
| US7075118B2 | Light source unit and projector | Electricity | 5 | Expired |
| US7419266B2 | Projector | Electricity | 4 | Active |
| US7059727B2 | Projector and optical device | Electricity | 3 | Expired |
| US7697201B2 | Screen, rear projector, projection system, and image display unit | Physics | 2 | Active |
| US7780297B2 | Screen, rear projector and image display apparatus with deformable scattering components | Physics | 2 | Active |
| US8562139B2 | Image display apparatus | Physics | 2 | Active |
| US7764425B2 | Screen and projector | Physics | 2 | Active |
| US6801193B2 | Digital drive apparatus and image display apparatus using the same | Physics | 1 | Expired |
| US7961389B2 | Screen and projector | Physics | 1 | Active |
| US8130445B2 | Screen and projector | Physics | 0 | Active |
| US7807959B2 | Screen, rear projector, and image display device having a plurality of driving units each with a power source that are capable of effectively reducing scintillation | Physics | 0 | Active |
| US7834990B2 | Evaluation method for evaluating optical characteristics of optical system, evaluation method for evaluating projector, evaluation device for evaluating optical characteristics, and screen | Physics | 0 | Active |
| US7977624B2 | Screen, rear projector, and image display device that are capable of effectively reducing scintillation | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.