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OTSUKA KAGAKU YAKUHIN

Overview
  • Total Patents
    692
About

OTSUKA KAGAKU YAKUHIN has a total of 692 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets organic fine chemistry, environmental technology and surface technology and coating are RUGAO JINLING CHEMICAL CO LTD, MEDCHEMEXPRESS CHINA CO LTD and SHANGHAI SYNCORES TECHNOLOGIES INC.

Patent filings per year

Chart showing OTSUKA KAGAKU YAKUHINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tanaka Hideo 119
#2 Torii Shigeru 88
#3 Sasaoka Michio 72
#4 Shiroi Takashi 60
#5 Nishiuchi Kihachirou 46
#6 Torii Sigeru 46
#7 Saito Norio 41
#8 Suzue Masayoshi 40
#9 Gotou Takeshi 38
#10 Ogata Yuzuru 35

Latest patents

Publication Filing date Title
US4784734A Azetidinone derivatives and process for the preparation of the same
US4588835A Process for preparing alkoxyphenols
JPS6118500A Treatment of sludge
JPS616125A Manufacture of reduced alkali metal titanate
JPS60264326A Electrically-conductive titanate derivative and its preparation
JPS60260425A Manufacture of reduced alkali metallic titanate
JPS60251288A Volatile rust preventive composition for nonferrous metal
JPS60251287A Rust preventive composition for nonferrous metal
JPS60248312A Method of treating woody material
JPS60248313A Method of treating woody material
JPS60248298A Treatment of sludge
JPS60248299A Treatment of sludge
JPS60248297A Treatment of sludge
JPS60248300A Treatment of sludge
JPS60239450A Preparation of benzophenonazine
JPS60241406A Insect-proof method of furniture
JPS60237061A Preparation of azetidinone derivative
JPS60212432A Adhesion of synthetic resin moldings to porous cores
JPS60206861A Resin composition as substitute for light-alloy casting
JPS60210528A Production of fibrous alkali metal titanate