YAMADA YUKI SEIZO CO LTD innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Japan	100
#2	United States	9
#3	EPO (European Patent Office)	4
#4	Australia	2
#5	Germany	2
#6	WIPO (World Intellectual Property Organization)	2
#7	Belgium	1
#8	United Kingdom	1

#	Industry
#1	Engines, pumps and turbines
#2	Measurement
#3	Mechanical elements
#4	Machines
#5	Surface technology and coating
#6	Computer technology

#	Technology
#1	Pumps
#2	Testing of structures
#3	Venting or aerating devices
#4	Cyclically operating valves
#5	Unspecified technologies
#6	Measuring length, angles and areas
#7	Lubricating
#8	Devices for applying fluent materials
#9	Shafts
#10	Fluid-circuit elements for computing

Publication	Filing date	Title
US5120202A	1990-07-03	Switching device for reciprocating pumps
US5002469A	1990-03-13	Switching device for reciprocating pumps
JPH02190698A	1989-01-17	Nipple
JPH02186101A	1989-01-10	Pulsation absorbing device
JPH0285599A	1988-09-20	Grease feeder
JPH0266398A	1988-09-01	Pump device and oil replacement method thereby
JPH0256270A	1988-08-18	Pushing-out device for high viscous material
JPH0238819A	1988-07-28	Coriolis type mass flowmeter
JPH01320301A	1988-06-23	Change-over controller for reciprocating type actuator
JPH01318767A	1988-06-21	High pressure plunger pump
EP0321573A1	1988-05-27	Reciprocation switching structure for pumps.
JPH01285676A	1988-05-13	Plunger pump
JPH01285675A	1988-05-13	High pressure plunger pump
JPH01266304A	1988-04-18	Reciprocating motion switching device for pump
JPH01203785A	1988-02-04	Valve controller
JPH01176894A	1987-12-29	Fluid pulsation absorbing method and device thereof
JPH01164801A	1987-12-17	Pulsation absorbing device
JPH01103192A	1987-10-15	On/off control circuit for motor
JPH01104982A	1987-10-15	Pump device
JPS6480782A	1987-09-22	Pressure chamber for diaphragm pump