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SAN EI KAGAKU CO

Overview
  • Total Patents
    62
  • GoodIP Patent Rank
    186,038
  • Filing trend
    ⇩ 100.0%
About

SAN EI KAGAKU CO has a total of 62 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1982. It filed its patents most often in United States, Taiwan and Republic of Korea. Its main competitors in its focus markets macromolecular chemistry and polymers, audio-visual technology and semiconductors are SANEI KAGAKU KK, HAEUSERMANN GMBH and ZHEN DING TECHNOLOGY CO LTD.

Patent filings in countries

World map showing SAN EI KAGAKU COs patent filings in countries

Patent filings per year

Chart showing SAN EI KAGAKU COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kitamura Kazunori 41
#2 Sato Kiyoshi 18
#3 Takase Yasuhiro 16
#4 Koga Yukihiro 10
#5 Hanada Kazuki 8
#6 Watanabe Katsuhiro 7
#7 Kuroyanagi Yasuhiro 6
#8 Usui Yukihiro 6
#9 Kunou Toshimitsu 6
#10 Aga Michihiro 5

Latest patents

Publication Filing date Title
DE102010046930A1 Surface mounting method
DE102008045424A1 A curable synthetic resin mixture containing an inorganic filler and an organic filler and use thereof
KR20060028108A Multilayer circuit substrate and method of producing the same
US2003103925A1 Composition for blending to hair treating agent and a hair treating agent
US2003103923A1 Composition for blending to hair treating agents and a hair treating agent
US2003086897A1 Composition for blending to hair treating agents and a hair treating agent
US4675181A Deodorant for permanent waving agent
US4474193A Method and apparatus for diagnosis of hair for permanent waving