Inventor
OKUMURA TETSUYA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “OKUMURA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
19 patentsUS7194674B2Mar 20, 2007
Adaptive waveform equalization for viterbi-decodable signal and signal quality evaluation of viterbi-decodable signal
SHARP KK19 citations92
US6125085ASep 26, 2000
Optical recording method and device for optimally controlling the width of the recording marks
SHARP KK29 citations92
US6600715B2Jul 29, 2003
Optical reproducing device and control method thereof
SHARP KK15 citations84
US6584050B1Jun 24, 2003
Optical recording device, optical reproducing device, and optical memory medium
SHARP KK14 citations84
US7080313B2Jul 18, 2006
Signal evaluation apparatus and signal evaluation method
SHARP KK9 citations74
US6847592B2Jan 25, 2005
Optical reproducing device and optical memory medium
SHARP KK11 citations74
US6771576B2Aug 3, 2004
Optical reproduction apparatus
SHARP KK10 citations74
US6741527B2May 25, 2004
Magneto-optical recording medium and magneto-optical recording and reproducing device capable of controlling reproduction power based on long recorded marks
SHARP KK9 citations74
US7206351B2Apr 17, 2007
Signal evaluation devices and signal evaluation methods, signal quality evaluation methods and reproducing devices and recording devices
SHARP KK8 citations72
US12273619B2Apr 8, 2025
Image capturing device, biological information acquisition device, and image capturing method
SHARP KK2 citations70
US11064895B2Jul 20, 2021
Pulse wave detection device, image analysis device, and biometric information generation system
SHARP KK2 citations69
US6674701B2Jan 6, 2004
Apparatus for readout of optical recording medium
SHARP KK4 citations63
US6404717B1Jun 11, 2002
Optical reproducing device and optical memory medium
SHARP KK4 citations63
US12527486B2Jan 20, 2026
Measurement device, measurement system, and measurement method
SHARP KK0 citations59
US11779281B2Oct 10, 2023
Evaluation system evaluation device, and biological information acquisition device
SHARP KK0 citations50
US11331054B2May 17, 2022
Biological information measuring instrument, and method, device, and computer-readable storage medium containing a program for controlling the instrument
SHARP KK0 citations47
US10571314B2Feb 25, 2020
Signal processing apparatus and signal processing method
SHARP KK0 citations42
US10480967B2Nov 19, 2019
Signal processing device and signal processing method
SHARP KK0 citations42
US7474598B2Jan 6, 2009
Optical reproducing device that controls the strength of the light beam during reproduction
SHARP KK0 citations42