Akio Katoh
7Patents
6h-index
6Co-inventors
45Inventor score
Filing activity: Sep 28, 1992 → Aug 16, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5990602A | Long life spark plug having minimum noble metal amount | Electricity | 34 | Expired |
| US5465022A | Spark plug for internal-combustion engine and manufacture method of the same | Electricity | 27 | Expired |
| US5502351A | Spark plug having horizontal discharge gap | Electricity | 24 | Expired |
| US5563468A | Spark plug having arc-shaped precious metal chip and method of producing the same | Electricity | 13 | Expired |
| US5406166A | Long life spark plug having consumable discharge member | Electricity | 10 | Expired |
| US5502994A | Method for producing a metal tip | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5502352A | Spark plug having horizontal discharge | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.