Koichi Kasahara
15Patents
11h-index
35Co-inventors
68Inventor score
Filing activity: Nov 1, 1985 → Aug 21, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4758831A | Matrix-addressed display device | Electricity | 54 | Expired |
| US4789223A | Matrix-addressed liquid crystal display device with compensation for potential shift of pixel electrodes | Physics | 30 | Expired |
| US5948376A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6159897A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6756336B2 | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6010673A | Method for purifying exhaust gas | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5911960A | Process for purifying exhaust gases | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5762892A | Process for purifying exhaust gases | Performing Operations; Transporting | 18 | Expired |
| US5575983A | Catalyst for purifying exhaust gases and process for purifying exhaust gases | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6004521A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6767855B2 | Catalyst for purifying exhaust gas | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7084086B2 | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6846466B2 | Catalyst for purifying an exhaust gas | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5686377A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5951956A | Catalyst for purifying exhaust gas and method for purifying exhaust gas | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.