Ryo Hamasaki
9Patents
3h-index
15Co-inventors
50Inventor score
Filing activity: Mar 8, 2005 → Oct 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9481658B2 | Optical film, retardation plate, elliptica polarizing plate, liquid crystal display device and compound | Chemistry; Metallurgy | 4 | Active |
| US8981108B2 | Optical film, retardation plate, elliptica polarizing plate, liquid crystal display device and compound | Chemistry; Metallurgy | 3 | Active |
| US8524334B2 | Optical film, retardation plate, elliptica polarizing plate, liquid crystal display device and compound | Chemistry; Metallurgy | 3 | Active |
| US7534475B2 | Liquid crystal compound comprising two condensed and substituted rings | Chemistry; Metallurgy | 2 | Expired |
| US8568839B2 | Liquid crystal composition and retardation film | Chemistry; Metallurgy | 2 | Active |
| US9416318B2 | Liquid crystal composition, polymer, film, and cholesteric liquid crystal | Chemistry; Metallurgy | 0 | Active |
| US9660166B2 | Thermoelectric conversion material, thermoelectric conversion element, article for thermoelectric power generation and power supply for sensor | Chemistry; Metallurgy | 0 | Active |
| US12240212B2 | Layered body | Performing Operations; Transporting | 0 | Active |
| US11118007B2 | Crystalline polyester resin and flame-retardant sealing resin composition | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.