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DAIICHI GIJUTSU SANGYO KK

Overview
  • Total Patents
    27
About

DAIICHI GIJUTSU SANGYO KK has a total of 27 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Japan. Its main competitors in its focus markets optics are D & D COMPANY INC, GARCIA DIAZ NICOLAS and WANG YEHENG.

Patent filings in countries

World map showing DAIICHI GIJUTSU SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 27

Patent filings per year

Chart showing DAIICHI GIJUTSU SANGYO 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 Watanabe Nobuhiko 14
#2 Iwase Takashi 14
#3 Hoshino Osamu 12
#4 Kotani Yuji 11
#5 Ozaki Yuichi 11
#6 Takahashi Kiyoshi 11
#7 Kobayashi Yasuo 11
#8 Inoue Riichi 11
#9 Ogasawara Takeshi 11
#10 Kubota Akinobu 9

Latest patents

Publication Filing date Title
JPH08242523A Sealing tape for cable connection
JPH08237848A Gasket construction of sleeve of enclosure
JPH08170785A Sealing device
JPH08189582A Sealing device of through hole
JPH08191529A Sealing device of through hole
JPH0833150A Seal for cable connection closure
JPH0833146A Seal for cable connection closure
JPH0833145A Sleeve for cable connection closure
JPH0833148A Cable holder for cable connection closure
JPH07298443A Airtightness inspecting method for cable connector and connection closure
JPH07280101A Shaft seal device and shaft seal method
JPH07288921A Closure of cable joint, and its sealing method
JPH07218769A Mechanical closure for optical fiber cable
JPH07217744A Shaft sealing device using viscous fluid
JPH0772339A Casing of closure for connecting optical fiber cable and tension member joint
JPH0772336A Closure for connecting optical fiber cable
JPH05188237A Structure of temporary sealing device for multiple optical fiber storage device
JPH05142427A Structure of tentative hermetic sealing device of device for housing multiple fibers of optical fiber
JPH05153720A Rejoint of cable
JPH05153719A Temporary rejoint of cable