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JAPAN SPECTROSCOPIC CO

Overview
  • Total Patents
    283
About

JAPAN SPECTROSCOPIC CO has a total of 283 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets measurement, chemical engineering and optics are WUHAN TIANHONG INSTR CO LTD, GAS SENSING SOLUTIONS LTD and SPECTRO SCIENT INC.

Patent filings in countries

World map showing JAPAN SPECTROSCOPIC COs patent filings in countries
# Country Total Patents
#1 Japan 254
#2 United States 22
#3 EPO (European Patent Office) 4
#4 Germany 3

Patent filings per year

Chart showing JAPAN SPECTROSCOPIC COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Saito Muneo 38
#2 Watanabe Mitsuo 26
#3 Iwata Tetsuo 21
#4 Wada Akio 20
#5 Konishi Hideki 19
#6 Yamauchi Yoshio 18
#7 Yamazaki Masao 17
#8 Masago Hiroshi 16
#9 Hibi Kiyokatsu 15
#10 Kimura Shigeyuki 15

Latest patents

Publication Filing date Title
US5180487A Pump apparatus for transferring a liquified gas used in a recycle chromatograph
US5205988A Apparatus for measuring gaseous aldehyde
JPH03214040A Light analyzing apparatus
JPH03206942A Optical apparatus
JPH03188375A Multidirectional conveyor
JPH03144347A Fluorescence spectrophotometry and apparatus therefor
JPH03110405A Multi-layered thin film evaluator
JPH0365648A Data processing method of multi-wavelength detector and apparatus therefor
JPH0331747A Solid-liquid reaction measuring instrument
JPH0329913A Objective mirror for microscope
JPH0326941A Sample identification equipment
JPH02276949A Method and device for measuring chemical emission
JPH02264842A Apparatus for collecting aldehyde in gas
JPH02264847A Apparatus for continuous measurement of aldehyde and formaldehyde in gas
JPH02265500A Determination of aldehyde in liquid, apparatus therefor, determination of formaldehyde in liquid and apparatus therefor
JPH02242137A Double refraction analysis apparatus
JPH02238371A Measuring apparatus of transient light emission phenomenon
JPH02223830A Raman spectrochemical analyzer
JPH02213750A Flow cell device
JPH02194802A Extraction with supercritical fluid and separation method and its device