Shuhei Yamada
57Patents
9h-index
71Co-inventors
81Inventor score
Filing activity: Jul 11, 1985 → Jul 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5453864A | Liquid crystal element and electronic apparatus | Chemistry; Metallurgy | 26 | Expired |
| US4684220A | 2-phenylpyridine derivatives and liquid crystal compositions including same | Chemistry; Metallurgy | 21 | Expired |
| US7108400B2 | Light source unit and projector | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5867237A | Polymer dispersed liquid crystal display device and method of producing a display device | Physics | 13 | Expired |
| US4879060A | 2-phenylpyridine derivatives and liquid crystal compositions including same | Chemistry; Metallurgy | 12 | Expired |
| US5972240A | Liquid crystal composite material and liquid crystal display device(s) which use them | Chemistry; Metallurgy | 11 | Expired |
| US7204865B2 | Polishing composition | Electricity | 10 | Expired |
| US4723018A | 2-phenylpyridine derivatives | Chemistry; Metallurgy | 9 | Expired |
| US5356558A | Tolane derivatives, liquid crystal compositions containing the derivatives and liquid crystal display devices using the compositions | Chemistry; Metallurgy | 9 | Expired |
| US5314640A | Tolan derivatives, liquid crystal compositions including same, liquid crystal display devices including the compositions and method of preparation | Chemistry; Metallurgy | 8 | Expired |
| US6025895A | Liquid crystal display with mutually oriented and dispersed birefringent polymer and liquid crystal and random oriented twist alignment | Physics | 7 | Expired |
| US4883609A | Pyrimidine derivatives | Chemistry; Metallurgy | 6 | Expired |
| USD893425S1 | Controller for servomotor | General | 5 | Active |
| US5437815A | Tolan derivative, liquid crystal composition containing the derivative, and liquid crystal display device having the composition | Chemistry; Metallurgy | 5 | Expired |
| US7360903B2 | Light source device, method for manufacturing light source device, and projection type display apparatus | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7629619B2 | Group III nitride-based compound semiconductor light-emitting device and method for producing the same | Electricity | 5 | Active |
| US6046791A | Polymer dispersed liquid crystal electro-optical device and method for manufacturing the same | Chemistry; Metallurgy | 4 | Expired |
| USD892740S1 | Controller for servomotor | General | 4 | Active |
| US9228120B2 | Liquid chemical for forming protecting film | Chemistry; Metallurgy | 4 | Active |
| US8223287B2 | Electrooptic device and electronic device | Physics | 4 | Active |
| US7390588B2 | Fuel cell and process for the production thereof | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6844905B2 | Alignment film, method for fabricating the alignment film, liquid crystal device, and projection type display device | Physics | 3 | Expired |
| US9691603B2 | Chemical for forming protective film | Electricity | 3 | Active |
| US5872607A | Liquid crystal display device and method for producing such | Physics | 3 | Expired |
| US7998229B2 | Polishing composition and polishing method | Chemistry; Metallurgy | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.