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YOSHIKAWA OIL & FAT

Overview
  • Total Patents
    41
About

YOSHIKAWA OIL & FAT has a total of 41 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and pharmaceuticals are INTERNATIONAL FLORA TECH LTD, WEIHAI LIDA BIOTECHNOLOGY CO LTD and SOPHIM.

Patent filings per year

Chart showing YOSHIKAWA OIL & FATs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshikawa Shiro 23
#2 Akeboshi Katsunori 11
#3 Matsufune Youichi 9
#4 Myojo Katsunori 7
#5 Yoshikawa Shirou 6
#6 Osaki Masakatsu 6
#7 Osada Takeshi 6
#8 Kato Isao 6
#9 Nakajima Jun 5
#10 Sato Mikinobu 5

Latest patents

Publication Filing date Title
JPH07258285A Method for separating steroid having double bond at side chain
EP0632267A1 Method of measuring content of polycyclic aromatic compound in lanolin and removal thereof.
JPH06293614A Lanoline fatty acid esters, cosmetic and external medicine
JPH0761909A Hair cosmetic containing ingredient comprising purified lanolin fatty acid
JPH06234994A Method of separating lanolin fatty acids and cosmetic and external-use medical preparation produced using the acids
JPH07233121A Separation of lanolin fatty acids
JPH06239883A Production of high-purity cholesterol
JPH04183773A Sterol cinnamate-type ultraviolet-shielding agent
US5219733A Process for preparing fatty acid esters
JPH0488100A Tanning agent and production thereof
JPH0413608A Esterified material of sterol
US5155245A Process for refining lanolins
EP0392018A1 Process for purifying lanolins
JPH036283A Gelling agent for oil
JPH02310088A Wax for thermal transfer recording medium
JPH02298566A Wax for heat-sensitive transfer recording medium
JPH02138386A Liquid crystal composition
JPH0297598A Preparation of lowly allergenic lanolin
JPH01199587A Synthetic method of aliphatic acid ester
JPH01126379A Wax for heat-sensitive transfer ink