Rinjiro Ichikawa
11Patents
10h-index
9Co-inventors
61Inventor score
Filing activity: Mar 29, 1979 → Apr 14, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5337174A | Optical compensator and liquid crystal display | Physics | 64 | Expired |
| US4387133A | Laminated light-polarizing sheet | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4230768A | Laminated light-polarizing sheet | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5396355A | Optically compensating film, optical compensator and liquid crystal display | Physics | 25 | Expired |
| US4419399A | Transparent conductive film | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4906498A | Flexible optical recording material in the shape of tape or floppy disk | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4985285A | Liquid crystal display panel incorporating an optical phase shifting substrate | Physics | 15 | Expired |
| US4802742A | Electrode plates for liquid crystal display panels | Physics | 15 | Expired |
| US4229498A | Light-polarizing film | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5343317A | Optically compensating film, optical compensator, and liquid crystal display incorporating the same | Physics | 10 | Expired |
| US5051314A | Laminate for protecting optical recording layer | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.