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TOHO KASEI CO LTD

Overview
  • Total Patents
    72
  • GoodIP Patent Rank
    36,478
  • Filing trend
    ⇩ 7.0%
About

TOHO KASEI CO LTD has a total of 72 patent applications. It decreased the IP activity by 7.0%. Its first patent ever was published in 1999. It filed its patents most often in WIPO (World Intellectual Property Organization), Taiwan and China. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and semiconductors are MITSUBISHI MONSANTO CHEM, ASAHI RUBBER INC and MITSUBISHI KASEI POLYTEC CO.

Patent filings per year

Chart showing TOHO KASEI CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Itami Hirotaka 27
#2 Yamamoto Hirokazu 26
#3 Kawato Susumu 22
#4 Nakagawa Takafumi 16
#5 Noguchi Isamu 15
#6 Sakai Toru 12
#7 Takada Katsunori 12
#8 Kato Masahide 9
#9 Ogasahara Ken 8
#10 Ninomiya Kazuya 7

Latest patents

Publication Filing date Title
WO2020230472A1 Filter housing and filter comprising same
WO2020149370A1 Composite secondary particles containing carbon nanotubes and method for producing same
WO2020149371A1 Electrical resistance measuring instrument, and electrical resistance measuring method employing same
CN111684008A Conductive welding material and method for producing same
WO2019155975A1 Static elimination tube and method for producing same
WO2019017489A1 Semiconductor element manufacturing device and semiconductor element manufacturing method
US2020165435A1 Composite resin material and molded article
CN110944920A Tank and chemical liquid supply system
WO2018181261A1 Piezoelectric element
TW201829599A Composite resin material and molded article
WO2017047802A1 Recycling method for solar battery module
KR20130087907A Valve
CN101977344A Heat-resistant electret
WO2004006622A1 Process for producing heat-resistant electret material and electrostatic acoustic sensor comprising the material
US7107701B2 Substrate drying method and apparatus
TW472287B Drying method for substrate and the device thereof
US6219936B1 Wafer drying device and method