Shigetoshi Ajima
6Patents
5h-index
11Co-inventors
60Inventor score
Filing activity: Apr 14, 1980 → Oct 11, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4451590A | Organic friction material | Chemistry; Metallurgy | 25 | Expired |
| US4278584A | Organic friction material | Chemistry; Metallurgy | 15 | Expired |
| US4822538A | Process for producing a carbonaceous thin plate | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4386168A | Organic friction material | Chemistry; Metallurgy | 10 | Expired |
| USD586453S1 | Heat proof guard rail for industrial furnaces | General | 6 | Expired |
| USD577114S1 | Heat proof guard rail for industrial furnaces | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.