Kennosuke Kojima
9Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: Jan 26, 1978 → Sep 22, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5279146A | Method and apparatus for real time measurement of particulate matter in combustion gases | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5013920A | Infrared analyzer with improved calibration | Physics | 14 | Expired |
| US4662755A | Gas analyzer with means for varying angle of incidence of light on interference filter | Physics | 10 | Expired |
| US4193695A | Spectrographic apparatus with chopper means located in the sample cell | Physics | 6 | Expired |
| US7071470B2 | Multi-component analyzing apparatus | Physics | 3 | Expired |
| US4766304A | Sensitivity-calibration circuit for use in an absorption analyzer | Physics | 2 | Expired |
| US4726216A | Sensitivity-calibration circuit for an HC analyzer | Physics | 2 | Expired |
| US6851269B2 | Apparatus and method for calculating refill amount of refrigerant | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6777683B2 | Optical detector | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.