YAMAGUCHI SEIKEN KOGYO CO LTD

Overview

About

YAMAGUCHI SEIKEN KOGYO CO LTD has a total of 29 patent applications. It increased the IP activity by 175.0%. Its first patent ever was published in 2009. It filed its patents most often in Taiwan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets basic materials chemistry, audio-visual technology and materials and metallurgy are YAMAGUCHI SEIKEN KOGYO KK, FUJIMI AMERICA INC and BAIKOWSKI JAPAN CO LTD.

Patent filings in countries

#	Country	Total Patents
#1	Taiwan	15
#2	United States	10
#3	WIPO (World Intellectual Property Organization)	4

#	Industry
#1	Basic materials chemistry
#2	Audio-visual technology
#3	Materials and metallurgy
#4	Machine tools
#5	Macromolecular chemistry and polymers
#6	Semiconductors
#7	Surface technology and coating

#	Technology
#1	Special information storage
#2	Polishing compositions
#3	Materials for miscellaneous applications
#4	Grinding or polishing devices
#5	Non-metallic elements
#6	Inorganic compounds
#7	Special macromolecular compounds
#8	Compounding ingredients
#9	Semiconductor devices
#10	Metallic material removal

Publication	Filing date	Title
WO2017051770A1	2016-09-16	Abrasive material composition and method for polishing magnetic disk substrate
WO2015146942A1	2015-03-24	Polishing agent composition and method for polishing magnetic disk substrate
WO2015146941A1	2015-03-24	Polishing agent composition and method for polishing magnetic disk substrate