NIPPON FERROFLUIDICS KK innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Japan	94
#2	EPO (European Patent Office)	11
#3	United States	10
#4	Republic of Korea	5
#5	WIPO (World Intellectual Property Organization)	2
#6	Israel	1

#	Industry
#1	Mechanical elements
#2	Electrical machinery and energy
#3	Measurement
#4	Engines, pumps and turbines
#5	Machines
#6	Semiconductors
#7	Audio-visual technology

#	Technology
#1	Shafts
#2	Pistons and sealings
#3	Dynamo-electric machines
#4	Measuring force, work and fluid pressure
#5	Unspecified technologies
#6	Non-positive-displacement pumps
#7	Semiconductor devices
#8	Casings and printed circuits
#9	Springs

Publication	Filing date	Title
JPH07310746A	1994-05-13	Dynamic pressure bearing device
JPH07310747A	1994-05-13	Dynamic pressure bearing device
JPH07305777A	1994-05-11	Conductive magnetic fluid seal device
JPH07305778A	1994-05-11	Magnetic fluid seal device
JPH07305776A	1994-05-11	Conductive magnetic fluid seal device
JPH07299536A	1994-04-28	Device and method for manufacturing bearing part of kinetic pressure bearing device
JPH07299537A	1994-04-28	Manufacture of roll die for manufacturing kinetic pressure bearing device
JPH07279961A	1994-04-01	Dynamic pressure bearing device
JPH07279960A	1994-04-01	Dynamic pressure bearing device
JPH07253165A	1994-03-14	Conductively magnetic fluid sealing device
JPH07190059A	1993-12-24	Dynamic pressure bearing device
JPH07190058A	1993-12-24	Dynamic pressure bearing device
JPH07190060A	1993-12-24	Dynamic pressure bearing device
JPH07133871A	1993-11-10	Magnetic fluid sealing device
JPH07119843A	1993-10-27	Sealing device for magnetic fluid
JPH0742735A	1993-07-30	Magnetic bearing device
US5372432A	1993-07-16	Dynamic pressure bearing assembly
JPH06300144A	1993-04-07	Magnetic fluid seal
JPH06122857A	1992-10-09	Conductive adhesive and method for adhering
JPH0658292A	1992-08-03	Vacuum pump