Miyagi
Japan
4
2007-11-08
The entities that hold a legal rights for patent applications filed by inventor Sato Jin:
Jin Sato from Miyagi, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Diffraction element, objective lens unit, optical pickup, optical disc apparatus and design method for diffraction element
#2 | 2007-10-25OPTICAL PICKUP AND OPTICAL DISC APPARATUS
#3 | 2007-10-04Diffraction element, objective lens unit, optical pickup and optical disc apparatus
#4 | 2007-10-04DIFFRACTION ELEMENT, OPTICAL PICKUP AND OPTICAL DISC APPARATUS
4498047 ⎘