Yoshiyuki Iwasawa
8Patents
8h-index
17Co-inventors
58Inventor score
Filing activity: Mar 25, 1980 → Feb 17, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4867629A | Dusttight storage cabinet apparatus for use in clean rooms | Emerging Cross-Sectional Technologies | 386 | Expired |
| US4781511A | Semiconductor processing system | Emerging Cross-Sectional Technologies | 376 | Expired |
| US4826360A | Transfer system in a clean room | Emerging Cross-Sectional Technologies | 77 | Expired |
| US4904153A | Transporting robot for semiconductor wafers | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4345431A | Exhaust gas cleaning system for diesel engines | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4631076A | Apparatus for removing carbon particles from exhaust gas from internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4903610A | Railway carrier apparatus for semiconductor wafers | Electricity | 14 | Expired |
| US4917004A | Robot traveling duct for clean room | Mechanical Engineering; Lighting; Heating | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.