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TOMOEGAWA PAPER CO LTD

Overview
  • Total Patents
    3,366
  • GoodIP Patent Rank
    9,510
  • Filing trend
    ⇧ 22.0%
About

TOMOEGAWA PAPER CO LTD has a total of 3,366 patent applications. It increased the IP activity by 22.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets optics, semiconductors and machines are ESEC AG, KUMAMOTO NIPPON DENKI KK and FOXCONN PREC COMPONENTS CO LTD.

Patent filings per year

Chart showing TOMOEGAWA PAPER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oka Osamu 173
#2 Hashimoto Takeshi 162
#3 Azuma Kensaku 150
#4 Totsuka Hiromi 148
#5 Sasaki Kyoichi 139
#6 Suzuki Masayoshi 139
#7 Kobayashi Tatsushi 137
#8 Murata Tsutomu 127
#9 Kamiyama Masafumi 104
#10 Kiyohara Tadashi 104

Latest patents

Publication Filing date Title
JP2019173034A Thermosetting adhesive sheet and manufacturing method therefor
JP2019196490A Thermosetting adhesive sheet and manufacturing method therefor
JP2021006337A Filter and filter element
JP2019157136A Thermosetting adhesive sheet, adhesive sheet with base material, and method for producing adhesive sheet with base material
JP2020178077A Electrostatic chuck device and method for manufacturing the same
JP2020164765A Light-resistant coloring adhesive, light-resistant coloring adhesive sheet using the same, and method for producing the same
JP2020164623A Sealing material and method for producing the same
JP2020164764A Coloring tacky adhesive and coloring tacky adhesive laminate sheet using the same
JP2020164589A Ignition material
JP2019181566A Sand mold material for casting mold, core for casting mold, and manufacturing method of sand mold material
JP2020167179A Masking material for thermal spraying and manufacturing method of electrostatic chuck device
JP2019171869A Thermal transfer image reception sheet and production method thereof
JP2020158678A Resin composition, paint and resin film
JP2020150076A Adhesive sheet for semiconductor device production
JP2020147645A Method for bonding member
JP2020143237A Adhesive composition
JP2019139234A Acoustic transmissive material
JP2020111679A Double-sided adhesive sheet
JP2019081902A Resin composition, adhesive tape, method for producing resin composition, and method for producing adhesive tape
JP2020082560A Heat transfer image receiving sheet