Jun Ishihara
38Patents
12h-index
50Co-inventors
84Inventor score
Filing activity: Apr 2, 1991 → Jun 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5557358A | Camera having an electronic viewfinder for displaying an object image under different photographic conditions | Electricity | 115 | Expired |
| US6535256B1 | Color liquid crystal display device | Physics | 56 | Expired |
| US6116739A | Color projection display apparatus | Physics | 53 | Expired |
| US6343862B1 | Projecting image display device | Physics | 45 | Expired |
| US5448331A | Camera utilizing additional illumination from a flash light for focus detection and exposure operation | Physics | 43 | Expired |
| US5255030A | Camera | Physics | 25 | Expired |
| US5749008A | Eyepiece | Physics | 17 | Expired |
| US6278552A | Polarization separation device and projection-type display apparatus | Electricity | 17 | Expired |
| US6779897B2 | Rear projection optical system | Physics | 16 | Expired |
| US5903788A | Camera | Physics | 15 | Expired |
| US6534593B1 | Block copolymer composition, process for producing the same, and pressure-sensitive adhesive composition | Chemistry; Metallurgy | 15 | Expired |
| US5194886A | Finder optical system | Physics | 12 | Expired |
| US8696133B2 | Projection optical system and image projecting device | Physics | 9 | Active |
| US7075615B2 | Light separation device, blazed grating device, diffraction grating device, and illumination optical system | Physics | 6 | Expired |
| US5380461A | Trans-dihalogenostilbene compounds and liquid crystal electro-optical devices using them | Chemistry; Metallurgy | 6 | Expired |
| US7503661B2 | Projection optical system | Physics | 5 | Active |
| US7411737B2 | Projection optical system | Physics | 5 | Expired |
| US8053051B2 | Oxygen-absorbing barrier resin composition, film comprising the same, multilayer structure, and packing container | Emerging Cross-Sectional Technologies | 4 | Active |
| US7066609B2 | Projection-type display apparatus | Physics | 3 | Expired |
| US5982561A | Viewfinder optical system | Physics | 3 | Expired |
| US8293373B2 | Oxygen-absorbing resin composition, oxygen-absorbing shaped article, packaging material and packaging container | Emerging Cross-Sectional Technologies | 2 | Active |
| US6822811B2 | Oblique projection optical system and method for setting the same | Physics | 2 | Expired |
| US7178921B2 | Image projection apparatus | Physics | 2 | Expired |
| US7854515B2 | Projection type image display apparatus | Electricity | 2 | Active |
| US7021770B2 | Rear projection optical system | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.