Makoto Iida
62Patents
15h-index
72Co-inventors
87Inventor score
Filing activity: Dec 12, 1974 → Jul 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6445872B1 | Recording and reproducing apparatus for recording digital broadcast compression-coded data of video signals of a multiplicity of channels | Electricity | 131 | Expired |
| US5968264A | Method and apparatus for manufacturing a silicon single crystal having few crystal defects, and a silicon single crystal and silicon wafers manufactured by the same | Emerging Cross-Sectional Technologies | 65 | Expired |
| US5491301A | Shielding method and circuit board employing the same | Electricity | 48 | Expired |
| US6191009A | Method for producing silicon single crystal wafer and silicon single crystal wafer | Chemistry; Metallurgy | 32 | Expired |
| US3935699A | Doffing apparatus for spinning frame | Textiles; Paper | 31 | Expired |
| US6261361A | Silicon single crystal wafer having few defects wherein nitrogen is doped and a method for producing it | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6077343A | Silicon single crystal wafer having few defects wherein nitrogen is doped and a method for producing it | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7258744B2 | Graphite heater for producing single crystal, apparatus for producing single crystal, and method for producing single crystal | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6843847B1 | Silicon single crystal wafer and production method thereof and soi wafer | Electricity | 19 | Expired |
| US4227577A | Fire-extinguishing system | Human Necessities | 19 | Expired |
| US6401643B2 | Sewn cover assembly and product foamed therewith | Textiles; Paper | 19 | Expired |
| US6048395A | Method for producing a silicon single crystal having few crystal defects | Chemistry; Metallurgy | 18 | Expired |
| US5179601A | Method of manufacturing circuit structure by insert molding of electric and/or optical transmission medium | Electricity | 18 | Expired |
| US6191675A | High voltage transformer and ignition transformer using the same | Electricity | 15 | Expired |
| US6548035B1 | Silicon single crystal wafer for epitaxial wafer, epitaxial wafer, and methods for producing the same and evaluating the same | Electricity | 15 | Expired |
| US6334896B1 | Single-crystal silicon wafer having few crystal defects and method for manufacturing the same | Chemistry; Metallurgy | 15 | Expired |
| US4163215A | Safety lock system for controlling access to an area in response to predetermined data inputs | Physics | 13 | Expired |
| US6780067B1 | Combined integral molded product using pre-molded member | Performing Operations; Transporting | 11 | Expired |
| US6364947B1 | Method and apparatus for manufacturing a silicon single crystal having few crystal defects, and a silicon single crystal and silicon wafers manufactured by the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6299982A | Silicon single crystal wafer and method for producing silicon single crystal wafer | Chemistry; Metallurgy | 11 | Expired |
| US5071223A | Circuit structure formed by insert molding of electric and/or optical transmission medium | Electricity | 11 | Expired |
| US6197109A | Method for producing low defect silicon single crystal doped with nitrogen | Chemistry; Metallurgy | 10 | Expired |
| US6159438A | Method and apparatus for manufacturing a silicon single crystal having few crystal defects, and a silicon single crystal and silicon wafers manufactured by the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7069885B2 | Cylinder head | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5882397A | Crystal pulling method | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.