Hirotsugu Nagayama
7Patents
7h-index
12Co-inventors
52Inventor score
Filing activity: Oct 3, 1983 → Sep 30, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5415927A | Water-repellant glass products and process for the production thereof | Emerging Cross-Sectional Technologies | 79 | Expired |
| US4468420A | Method for making a silicon dioxide coating | Chemistry; Metallurgy | 39 | Expired |
| US4726664A | Electrochromic device | Physics | 20 | Expired |
| US4693916A | Method of depositing a silicon dioxide film | Chemistry; Metallurgy | 14 | Expired |
| US5073408A | Method of depositing a silicon dioxide film | Chemistry; Metallurgy | 14 | Expired |
| US5132140A | Process for depositing silicon dioxide films | Chemistry; Metallurgy | 13 | Expired |
| US4882183A | Method for production of oxide film | Chemistry; Metallurgy | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.