Koh Fujimura
38Patents
11h-index
52Co-inventors
78Inventor score
Filing activity: Jul 16, 1984 → Mar 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4836654A | Drive method for a dual-frequency, dielectric anisotropy liquid crystal optical device | Physics | 28 | Expired |
| US5169693A | Liquid crystal display element | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5184239A | Sealing structure of liquid crystal injection holes in liquid crystal display device | Physics | 19 | Expired |
| US4647156A | Liquid crystal device | Physics | 17 | Expired |
| US8384983B2 | Electrochromic display device, fabrication method therefor, and driving method therefor | Physics | 15 | Active |
| US8531754B2 | Electrochromic display element | Physics | 13 | Active |
| US7612455B2 | Layered structure for electron device including regions of different wettability, electron device and electron device array that uses such a layered structure | Electricity | 13 | Expired |
| US8687262B2 | Ion conductor and electrochromic display device | Physics | 12 | Active |
| US9304368B2 | Electrochromic device and production method thereof | Emerging Cross-Sectional Technologies | 12 | Active |
| US8937758B2 | Electrochromic display device | Physics | 12 | Active |
| US4745433A | Image forming apparatus with a light shutter of the G-H type liquid crystal | Physics | 11 | Expired |
| US8902151B2 | Controllable electrochromic display device | Physics | 11 | Active |
| US8736941B2 | Electrochromic display apparatus and method of manufacturing the same | Emerging Cross-Sectional Technologies | 10 | Active |
| US4832460A | Liquid crystal apparatus having pressure absorbing means | Physics | 9 | Expired |
| US9069222B2 | Electrochromic display element and display device | Emerging Cross-Sectional Technologies | 9 | Active |
| US9829762B2 | Electrochromic display element, display device, information system, and electrochromic dimming lens | Physics | 8 | Active |
| US7902680B2 | Layered structure, electron device, and an electron device array having a variable wettability layer and semiconductor layer formed thereon | Electricity | 7 | Active |
| US9041997B2 | Electro-chromic display element, display apparatus, and driving method | Physics | 6 | Active |
| US9500926B2 | Electrochromic display element and image display device | Physics | 6 | Active |
| US4759870A | Liquid crystal composition | Chemistry; Metallurgy | 6 | Expired |
| US4688899A | Dual-frequency, dielectric anisotropy liquid crystal display | Physics | 5 | Expired |
| US9869918B2 | Electrochromic apparatus, electrochromic element, and method of manufacturing electrochromic element | Physics | 5 | Active |
| US9932522B2 | Electrochromic compound, electrochromic composition, display element, and dimming element | Physics | 4 | Active |
| US9688706B2 | Electrochromic compound, electrochromic composition, display element, and dimming element | Chemistry; Metallurgy | 4 | Active |
| US10527905B2 | Electrochromic element, display device and driving method thereof | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.