Zenichiro Kato
6Patents
5h-index
25Co-inventors
59Inventor score
Filing activity: Feb 28, 1989 → Jul 19, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4909198A | Aluminum alloy valve lifter with sprayed coating and method of producing same | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US5517959A | Lubricating apparatus for an engine | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6640767B2 | Oil pan structure and oil pan separator | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6829891B2 | Exhaust emission control device and method of controlling exhaust emission | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6945036B2 | Exhaust emission control filter and method of controlling exhaust emission | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6776815B2 | Particulate filter | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.