Hiroki Iwanaga
34Patents
8h-index
40Co-inventors
75Inventor score
Filing activity: Sep 19, 1996 → May 31, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6181393A | Liquid crystal display device and method of manufacturing the same | Physics | 88 | Expired |
| US5739946A | Display device | Physics | 40 | Expired |
| US7902741B2 | Fluorescent complex and lighting system using the same | Chemistry; Metallurgy | 39 | Active |
| US6067135A | Liquid crystal display device and method of manufacturing the same | Physics | 28 | Expired |
| US6650392B2 | Cell structure of liquid crystal device | Physics | 27 | Expired |
| US5995188A | Liquid crystal display device using stacked layers | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6650384B2 | Liquid crystal display and display method | Physics | 13 | Expired |
| US7250117B2 | Light emitting device formed using rare earth complex and luminescent medium | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6798470B2 | Electrophoresis display | Physics | 8 | Expired |
| US6033742A | Liquid crystal display device | Physics | 8 | Expired |
| US6057906A | Liquid crystal display element | Chemistry; Metallurgy | 4 | Expired |
| US7575253B2 | Fluorescent image-printed article and fluorescent ink | Emerging Cross-Sectional Technologies | 3 | Active |
| US5958291A | Liquid crystal display element | Physics | 3 | Expired |
| US10629952B2 | Nonaqueous electrolyte battery, battery pack, and vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US7960909B2 | Light-emitting device, method for producing the same and fluorescent device | Electricity | 3 | Active |
| US7086599B2 | Information recording medium, reproduction method, and discrimination method | Physics | 2 | Expired |
| US8907207B2 | Solar cell module | Emerging Cross-Sectional Technologies | 2 | Active |
| US7186468B2 | Organic electro-luminescent display device and method for manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6656542B2 | Guest-host liquid crystal composition and guest-host liquid crystal display device | Chemistry; Metallurgy | 1 | Expired |
| US7510784B2 | Light emitting device formed using rare earth complex and luminescent medium | Emerging Cross-Sectional Technologies | 1 | Active |
| US8969718B2 | Organic compound and solar cell using the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10444214B2 | Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing system | Emerging Cross-Sectional Technologies | 1 | Active |
| US6811897B2 | Ink for forming a hole injection layer of organic EL display devices and manufacturing method thereof, organic EL display devices, and manufacturing method of the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9296848B2 | Polymer material, solar cell using the same, and solar photovoltaic generation system | Emerging Cross-Sectional Technologies | 0 | Active |
| US6444376B1 | Coloring material, coloring material for color filter, display device and liquid crystal display device | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.