Inventor
SHIOYAMA TADAO
JP9 patents
Patents
9 patentsUS5138131AAug 11, 1992
Laser cutting method and apparatus for effecting said method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD80 citations94
US5188652AFeb 23, 1993
Machine for molding optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations90
US5120343AJun 9, 1992
Apparatus for producing optical glass element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations81
US5087279AFeb 11, 1992
Method of producing optical glass element and production apparatus using this method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations81
US4706143ANov 10, 1987
Rotary head cylinder device with fluid bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations77
US5322541AJun 21, 1994
Method of producing glass blank
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations72
US4117519ASep 26, 1978
Guide drum apparatus in a magnetic recording and/or reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations72
US5201927AApr 13, 1993
Method of producing the optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations71
US4706144ANov 10, 1987
Rotary head device with fluid bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations70