Kouji Arikawa
8Patents
3h-index
11Co-inventors
50Inventor score
Filing activity: Sep 26, 1991 → Apr 14, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6778486B1 | Laser module, optical head and optical information recording and reproducing apparatus | Electricity | 7 | Expired |
| US6298028A | Optical head and information recording and reproducing apparatus using it | Physics | 5 | Expired |
| US5239434A | Magnetic head, bonding glass used therefor and magnetic recording and reproducing apparatus | Chemistry; Metallurgy | 5 | Expired |
| US6967919B2 | Method and apparatus for optical head and optical information reproducing | Physics | 2 | Expired |
| US6947367B2 | Single means for converting beam widths of plural laser beams with different entry and exit angle with offset | Physics | 1 | Expired |
| US6396790B2 | Optical head and information recording and reproducing apparatus using it | Physics | 1 | Expired |
| US7209416B2 | Method and apparatus for optical head and optical information reproducing | Physics | 0 | Expired |
| US6714506B1 | Method and apparatus for optical head and optical information reproducing | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.