Sigeru Kamiya
12Patents
10h-index
27Co-inventors
68Inventor score
Filing activity: Oct 12, 1973 → Jul 13, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4729459A | Adjustable damping force type shock absorber | Performing Operations; Transporting | 155 | Expired |
| US4361028A | System for measuring particulate discharge from vehicular internal combustion engine | Physics | 30 | Expired |
| US4685290A | Engine control with function to eliminate minute particles in exhaust gas | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4633706A | System for measuring amount of particulates exhausted from vehicle engine | Physics | 27 | Expired |
| US4943123A | Brake control apparatus in diagonal braking hydraulic pressure supply system for use in motor vehicles | Performing Operations; Transporting | 25 | Expired |
| US4620917A | Electrostatic filtering device | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4699509A | Device for measuring contamination of lubricant | Physics | 20 | Expired |
| US4406119A | Carbon-particle decontaminating system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4459805A | Combustion burner apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5129489A | Hydraulically operated displacement transmission mechanism for shock absorber with variable damping force | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US3938959A | Catalyst-type exhaust gas purifying device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5094997A | Porous support | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.