Hiroshi Aiga
5Patents
3h-index
13Co-inventors
50Inventor score
Filing activity: Apr 10, 1973 → Dec 28, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3955919A | Dyestuff mixtures and process for dyeing polyester fiber therewith | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5342974A | Halogenated anthraquinone and their use as near infrared rays absorbing optical filters | Physics | 5 | Expired |
| US4734218A | Dichroic azo dyestuffs and liquid crystal composition containing said dyestuffs | Chemistry; Metallurgy | 4 | Expired |
| US4628091A | Process for producing dianthraquinone-N,N'-dihydrazine and its chlorination product | Chemistry; Metallurgy | 2 | Expired |
| US4883611A | Dichroic coloring agents for liquid crystal displays | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.