Yuji Hamada
123Patents
19h-index
106Co-inventors
89Inventor score
Filing activity: Jul 22, 1981 → Jun 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6147451A | Organic electrominiscent display device | Electricity | 149 | Expired |
| US5601903A | Organic electroluminescent elements | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5432014A | Organic electroluminescent element and a method for producing the same | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4603168A | Method for curing organopolysiloxane compositions and the compositions | Chemistry; Metallurgy | 60 | Expired |
| US4774297A | Silicone pressure-sensitive adhesive composition | Chemistry; Metallurgy | 59 | Expired |
| US5674597A | Organic electroluminescent elements | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5858563A | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5382477A | Organic electroluminescent element and process for producing the same | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5578381A | Release coating compositions | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6387546B1 | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6001943A | Silicone gel composition and silicone gel for use in sealing and filling of electrical and electronic parts | Chemistry; Metallurgy | 34 | Expired |
| US5449564A | Organic electroluminescent element having improved durability | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5100976A | Silicon pressure sensitive adhesive compositions | Chemistry; Metallurgy | 32 | Expired |
| US5529853A | Organic electroluminescent element | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6668227B2 | Navigation apparatus | Physics | 25 | Expired |
| US5693428A | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5456988A | Organic electroluminescent device having improved durability | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4989958A | Focus adjusting apparatus provided with a focus lens member formed of polymer gel substance having electro-reactive deformability | Physics | 22 | Expired |
| US5779937A | Organic electroluminescent device | Electricity | 21 | Expired |
| US5064876A | Adhesion promoter method | Chemistry; Metallurgy | 18 | Expired |
| US5356719A | Fluorosilicone release agent composition | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5110882A | Silicone pressure-sensitive adhesive composition | Chemistry; Metallurgy | 16 | Expired |
| US4385158A | Organopolysiloxane composition | Chemistry; Metallurgy | 15 | Expired |
| US7611779B2 | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5457357A | Organic electroluminescent device having improved durability and producing method thereof | Electricity | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.