Yuji Hirao
4Patents
2h-index
13Co-inventors
45Inventor score
Filing activity: Jun 6, 1996 → Sep 16, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5760597A | Method of and apparatus for measuring lifetime of carriers in semiconductor sample | Electricity | 8 | Expired |
| US5790252A | Method of and apparatus for determining residual damage to wafer edges | Electricity | 6 | Expired |
| US8564388B2 | Relay, control circuit, and method for controlling control circuit | Electricity | 1 | Active |
| US11773368B2 | Culture method for differentiating primordial germ cells into functionally mature oocytes | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.