Yosuke Ishizuka
8Patents
2h-index
8Co-inventors
36Inventor score
Filing activity: Feb 27, 2007 → Nov 3, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7725908B2 | Optical disk apparatus | Physics | 3 | Active |
| US8332879B2 | Optical disk drive | Physics | 2 | Active |
| US9059554B2 | Discharge-pumped gas laser device | Electricity | 1 | Active |
| US9225139B2 | Discharge-pumped gas laser device | Electricity | 0 | Active |
| US8789074B2 | Optical disc apparatus | General | 0 | Revoked |
| US8549549B2 | Optical disk device having an air flow shielding portion | Physics | 0 | Active |
| US8181190B2 | Optical disc apparatus | Physics | 0 | Active |
| US7877761B2 | Optical disc apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.