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RYUSYO INDUSTRIAL CO

Overview
  • Total Patents
    147
About

RYUSYO INDUSTRIAL CO has a total of 147 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, mechanical elements and consumer goods are THEODORE RUSSELL, SOUREK JOSEPH S and SHANGHAI GORO CONVEYOR EQUIP.

Patent filings per year

Chart showing RYUSYO INDUSTRIAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kawahara Akira 34
#2 Iwamoto Masakatsu 32
#3 Takahachi Tadahiro 14
#4 Kadoriku Satoru 13
#5 Ikemoto Koji 10
#6 Hayashi Noriyoshi 8
#7 Miyake Koichi 8
#8 Iseda Takeshi 7
#9 Ushida Yoshiki 6
#10 Yano Katsushi 6

Latest patents

Publication Filing date Title
JP2010062322A Semiconductor wafer transfer system
JP2009268682A Ophthalmic examination apparatus
JP2009261769A Ophthalmic apparatus
JP2009074970A Lens meter
JP2009054933A Wafer transfer system
JP2009038328A Supercritical fluid cleaning apparatus
JP2009021504A Wafer-conveying robot
JP2008286629A Lens meter and lens-measuring method
JP2008256393A Lens meter
JP2008128937A Lens meter
JP2007221096A Lift-off processing method and lift-off processing apparatus
JP2008116290A Lens meter
JP2008035905A Ophthalmologic apparatus
JP2008021813A Light-emitting unit
JP2008021812A Light-emitting device
JP2008008830A Lens meter
JP2008008719A Lens meter
WO2006137266A1 Fund constitution determining device, fund constitution determining method, and computer program
JP2007309815A Lens meter
JP2007252714A Accommodation overstrain relaxing device