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OPTECH KK

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    171,252
  • Filing trend
    ⇧ 100.0%
About

OPTECH KK has a total of 25 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2000. It filed its patents most often in Japan. Its main competitors in its focus markets optics and audio-visual technology are KENKOTOKINA CORP, KUDOH TOMOYUKI and TATSUNO HIBIKI.

Patent filings in countries

World map showing OPTECH KKs patent filings in countries
# Country Total Patents
#1 Japan 25

Patent filings per year

Chart showing OPTECH KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sakamoto Takamasa 8
#2 Kudo Yoshinobu 6
#3 Yokota Shinichi 4
#4 Ohara Shigeyuki 4
#5 Sato Hideya 3
#6 Nakajima Jiro 3
#7 Suzuki Hideo 3
#8 Hosokawa Hitoshi 2
#9 Hamamoto Kazuhiko 2
#10 Iwanaga Shuichi 2

Latest patents

Publication Filing date Title
JP2021006976A Dental treatment management device
JP2019080900A Dental treatment support system
JP2019136346A Dental technical instruction sheet issuing system
JP2019053614A Electronic medical chart system
JP2018022261A Image processing apparatus
JP2018022260A Image processor
JP2016035435A Volume-reducible radioactive material adsorbent, production method, processing method and adsorption method
JP2015014594A Adsorbent for radioactive material by inorganic foam and adsorption method
JP2014186028A Radioactive substance absorbent made of inorganic iron compound and/or metallic iron and radioactive substance absorption method
JP2005326629A Zoom finder drive mechanism
JP2005326627A Lens-barrel extending mechanism
JP2005326631A Lens barrel
JP2005326628A Lens barrel
JP2004341154A Digital camera
JP2004258312A Digital camera
JP2004258311A Zoom lens
JP2004253972A Digital camera
JP2004205574A Lens unit
JP2004177628A Wide-angle photographic lens
JP2004170883A Wide-angle photographic lens