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SEIWA KASEI KK

Overview
  • Total Patents
    283
About

SEIWA KASEI KK has a total of 283 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and foods and drinks are ADVANCED ORAL HEALTHCORP LTD, SANKO SEIBUTSU KAGAKU KENKYUSH and SHINEI KAGAKU KK.

Patent filings in countries

World map showing SEIWA KASEI KKs patent filings in countries
# Country Total Patents
#1 Japan 283

Patent filings per year

Chart showing SEIWA KASEI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshioka Masato 118
#2 Adachi Takashi 52
#3 Fukazawa Ryutaro 50
#4 Yoshioka Kazunari 47
#5 Fukazawa Riyuutarou 45
#6 Kamimura Yoichi 44
#7 Shintani Hiroshi 43
#8 Omi Sueko 26
#9 Wakabayashi Hitomi 18
#10 Kamimura Youichi 17

Latest patents

Publication Filing date Title
JP2010195687A Composition derived from ascorbic acid derivative, manufacturing method of the same, and cosmetic
JP2004339077A Skin cosmetic
JP2004331616A W/0-type emulsion composition
JP2004331617A W/0-type emulsion cosmetic
JP2004323698A Powder treating agent, hydrophobized powder treated with the same, and cosmetic containing the hydrophobized powder
JP2004315401A Hair dye
JP2004315382A Shampoo
JP2004315369A Hair-treatment agent
JP2004269466A Oxidation hairdye
JP2004231517A Hair treatment agent
JP2004196733A Hair treatment preparation
JP2004189694A Face lotion
JP2004175699A Hair treatment preparation
JP2004175684A Cosmetic
JP2004083453A New n-glyceryl derivative of amino acid, and skin preparation for external use and hair cosmetic containing the same
JP2004010556A Hair dye
JP2003300854A Skin cosmetic
JP2003277241A Hair cosmetics
JP2003238342A Emulsion base for cosmetic
JP2003238330A Skin cosmetic