Masaru Doi
18Patents
5h-index
16Co-inventors
63Inventor score
Filing activity: Nov 6, 1986 → Dec 21, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7945826B2 | Test apparatus and test method | Physics | 12 | Active |
| US7406646B2 | Multi-strobe apparatus, testing apparatus, and adjusting method | Physics | 11 | Active |
| US7010729B2 | Timing generator and test apparatus | Physics | 9 | Expired |
| US6990613B2 | Test apparatus | Physics | 7 | Expired |
| US7216271B2 | Testing apparatus and a testing method | Physics | 5 | Expired |
| US7765449B2 | Test apparatus that tests a plurality of devices under test having plural memory cells and test method therefor | Physics | 5 | Active |
| US7461316B2 | Multi-strobe generation apparatus, test apparatus and adjustment method | Electricity | 5 | Active |
| US4772967A | Magnetic recording apparatus in a helical scan system | Physics | 5 | Expired |
| US7203611B2 | Timing generator, test apparatus and skew adjusting method | Physics | 4 | Expired |
| US7640127B2 | Detection apparatus, detection method, and program | Physics | 4 | Active |
| US7283920B2 | Apparatus and method for testing semiconductor device | Physics | 4 | Expired |
| US7634695B2 | Test apparatus and selection apparatus | Physics | 3 | Active |
| US6953503B2 | Method of manufacturing molded body, slurry for molding, core for molding, method of manufacturing core for molding, hollow ceramic molded body, and light emitting container | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7805641B2 | Test apparatus for regulating a test signal supplied to a device under test and method thereof | Physics | 2 | Active |
| US7190174B2 | Method for calibrating timing clock | Physics | 2 | Active |
| US7363556B2 | Testing apparatus and testing method | Physics | 2 | Active |
| US7407145B2 | Core for molding hollow ceramic molded body and light emitting container | Emerging Cross-Sectional Technologies | 1 | Active |
| US8601329B2 | Test apparatus and test method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.