Kohei Kubota
13Patents
4h-index
38Co-inventors
60Inventor score
Filing activity: Dec 29, 1975 → Feb 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4020012A | Method for preparing hydrocarbon conversion catalyst | Performing Operations; Transporting | 11 | Expired |
| US6467527B1 | Pressure die-casting process of magnesium alloys | Performing Operations; Transporting | 9 | Expired |
| US5261245A | Method for making ice slab and/or artificial snow | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5595836A | Manganese dry battery | Chemistry; Metallurgy | 4 | Expired |
| US6460602B2 | Method for metallic mold-casting of magnesium alloys | Performing Operations; Transporting | 3 | Expired |
| US5853920A | Method of manufacturing zinc-titanium mother alloy and manganese dry battery | Electricity | 1 | Expired |
| US10185845B2 | Card reader and magnetic information recording medium processing device | Physics | 0 | Active |
| US11623489B2 | Suspension device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US6056834A | Magnesium alloy and method for production thereof | Chemistry; Metallurgy | 0 | Expired |
| US9949082B2 | Mobile terminal device, location search method, and computer-readable recording medium | Electricity | 0 | Active |
| US10018140B2 | Control device and control method for internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9073351B2 | Medium processing apparatus | Performing Operations; Transporting | 0 | Active |
| US11932075B2 | Suspension device | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.