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TOHOKU NAKATANI KK

Overview
  • Total Patents
    13
About

TOHOKU NAKATANI KK has a total of 13 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan. Its main competitors in its focus markets optics are RAITORON KK, WUXI ADVANCE OPTICAL FIBER CO LTD and YOTTAHN INC.

Patent filings in countries

World map showing TOHOKU NAKATANI KKs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing TOHOKU NAKATANI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Optical systems

Top inventors

# Name Total Patents
#1 Miyagawa Hisayuki 10
#2 Kimura Mitsuteru 7
#3 Endo Koji 7
#4 Tezuka Shinya 4
#5 Takesawa Toru 1
#6 Honma Koji 1
#7 Aoki Shigeru 1
#8 Minakata Makoto 1
#9 Matsuzawa Toshiharu 1

Latest patents

Publication Filing date Title
JPH0933167A Method and device for removing moisture from optical disk
JPH08271752A Optical fiber coupler
JPH08220376A Formation of spherically ended fiber lens
JPH08220377A Optical fiber with front end lens
JPH08145780A Vibration sensor
JPH0862033A Oscillation sensor
JPH085864A Formation of spherical end fiber lens
JPH0644533A Production of thin film magnetic head
JPH0682656A Multi-fiber optical connector
JPH06167444A Evaluating apparatus for photoresist
JPH0512722A Production of stamper
JPH054232A Manufacture of mold
JPH05134146A Multi-fiber connector ferrule