Kikuo Watanabe
16Patents
8h-index
39Co-inventors
72Inventor score
Filing activity: Apr 2, 1979 → Nov 12, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5249947A | Injection molding machine having an automatic mold changer | Performing Operations; Transporting | 29 | Expired |
| US5129808A | Two-plate type injection apparatus | Performing Operations; Transporting | 25 | Expired |
| US4938682A | Toggle type mold clamping apparatus in an injection molding machine | Performing Operations; Transporting | 15 | Expired |
| US5147659A | Nozzle touch apparatus in an injection molding machine | Performing Operations; Transporting | 14 | Expired |
| US4950144A | Nozzle touch apparatus in an injection molding machine | Performing Operations; Transporting | 12 | Expired |
| US4679296A | Machine tool | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4813122A | Machine tool | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5310332A | Injection molding machine with a movable display device | Performing Operations; Transporting | 9 | Expired |
| US5196213A | Ejector mechanism in an injection molding machine | Performing Operations; Transporting | 8 | Expired |
| US6179607A | Two-platen mold-clamping apparatus | Performing Operations; Transporting | 8 | Expired |
| US4906173A | Compressor unit in an injection-compression molding machine | Performing Operations; Transporting | 6 | Expired |
| US7247890B2 | Semiconductor device and manufacturing method thereof | Electricity | 6 | Expired |
| US7364965B2 | Semiconductor device and method of fabrication | Electricity | 3 | Expired |
| US6342377B1 | Microorganisms producing 5-aminolevulinic acid and processes for producing 5-aminolevulinic acid by using the same | Chemistry; Metallurgy | 2 | Expired |
| US4229683A | Device for controlling the movement of a movable member | Performing Operations; Transporting | 2 | Expired |
| US4998155A | Radiation-hardened semiconductor device with surface layer | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.