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OTSUKA DENSHI KK

Overview
  • Total Patents
    399
  • GoodIP Patent Rank
    13,315
  • Filing trend
    ⇧ 90.0%
About

OTSUKA DENSHI KK has a total of 399 patent applications. It increased the IP activity by 90.0%. Its first patent ever was published in 1986. It filed its patents most often in Republic of Korea, United States and China. Its main competitors in its focus markets measurement, optics and audio-visual technology are OTSUKA DENSHI CO LTD, OTSUKA ELECTRONICS CO LTD and TEMET INSTR OY.

Patent filings per year

Chart showing OTSUKA DENSHI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oka Koichi 65
#2 Mizuguchi Tsutomu 38
#3 Ohkubo Kazuaki 37
#4 Enami Yoshi 36
#5 Shiraiwa Hisashi 33
#6 Sano Hiroyuki 26
#7 Tsutsui Kazunori 21
#8 Taguchi Kunikazu 20
#9 Kawaguchi Akira 18
#10 Sekiwa Mitsunao 17

Latest patents

Publication Filing date Title
US2021123721A1 Optical measurement apparatus and optical measurement method
WO2020261494A1 Measurement device and measurement method
WO2020174547A1 Photodynamic therapy device
WO2020170330A1 Method for determining condition parameters for photodynamic therapy and photodynamic therapy apparatus
WO2020059100A1 Measuring device and measuring method
WO2020059102A1 Signal processing circuit, measurement device, and signal processing method
KR20170139435A Optical measurement apparatus and optical measurement method
KR20170131354A Reference light source device used for calibratiom of spectral luminance meter and calibration method using same
TW201435317A Spectrophotometer and spectrometrically measuring method
CN104246456A Optical measurement device
CN103477196A Optical measurement system, optical measurement method, and mirror plate for optical measurement system
CN101932926A Quantum efficiency measuring device and quantum efficiency measuring method
KR20110021616A Quantum efficiency measurement apparatus and quantum efficiency measurement method
US2008238820A1 Motion picture image processing system and motion picture image processing method
FR2861174A3 Optical measuring system for an electroluminescence panel
CN1788498A System and method for measuring/evaluating moving image quality of screen
US2006007313A1 Measurement system for evaluating moving image quality of displays
US6922247B2 Automatic optical measurement method
CN1444722A Light spectrum detecting apparatus
TWI242073B Method for inspecting gaps between liquid crystal units