Sumio Shimizu
7Patents
4h-index
8Co-inventors
50Inventor score
Filing activity: Feb 16, 1984 → Aug 30, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5746976A | Detachable gas analyzing apparatus | Physics | 63 | Expired |
| US4988709A | Quinolone-carboxylic acids as antibacterial agents | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4596156A | Sample gas extracting apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4624150A | Sampling pipe means for connection to a fluid analyzer | Physics | 6 | Expired |
| US5110825A | Benzofuran derivative | Chemistry; Metallurgy | 3 | Expired |
| US8630062B2 | Bearing apparatus having concentric inner and outer roller bearings and information recording/reproducing apparatus | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US5017708A | Azabicycloalkanes | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.