Resources Contact Us Home
Takahashi; Toyokazu
Tokyo, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8125876 Objective lens, optical pickup apparatus using the same, optical recording/reproduction apparatu February 28, 2012
Provided is an objective lens for which expressions 0.83<(p.sub.M/p.sub.L)<1.17 and 0.83<(p.sub.M/p.sub.T)<1.17 or expressions 0.80<(p.sub.M/p.sub.L)<1.20 and 0.86<(p.sub.M/p.sub.T)<1.14 are satisfied, where p.sub.L is the ratio of fifth-order spherical aberra
7826328 Optical pickup device and optical disk apparatus using the same November 2, 2010
An optical pickup device includes: a light source that emits a light beam; a divergence-angle converting lens that converts an angle of divergence of the light beam emitted from the light source and emits the light beam; and an object lens displaceable in a tracking direction that receiv

  Recently Added Patents
Preventative traffic congestion social networking improvement system within a community
Control system of substrate processing apparatus, collecting unit, substrate processing apparatus and control method of the substrate processing apparatus
Method and system for encrypting data in a wireless communication system
Cable sheath
Duty cycle adjustment of remote illumination source to maintain illumination output
Identification of websites that break out of frames
Bit error mitigation
  Randomly Featured Patents
Using partial information to improve dialog in automatic speech recognition systems
Wind turbine system
Multi-purpose traffic director's stick
Method and apparatus for removing particulate contaminants from commercial laundry waste water
Caladium plant named `Candyland`
Endogeneous repair factor production accelerators
Solvent-activated reactor including a gel layer
Method of mounting a tool box on a truck
Climber handhold
Image data processor