Inventor
YAMADA AKIO
JP131 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
25 patentsUS5260579ANov 9, 1993
Charged particle beam exposure system and charged particle beam exposure method
FUJITSU LTD167 citations99
US6222195B1Apr 24, 2001
Charged-particle-beam exposure device and charged-particle-beam exposure method
FUJITSU LTD49 citations96
US5854490ADec 29, 1998
Charged-particle-beam exposure device and charged-particle-beam exposure method
FUJITSU LTD46 citations96
US5841145ANov 24, 1998
Method of and system for exposing pattern on object by charged particle beam
FUJITSU LTD60 citations96
US5173582ADec 22, 1992
Charged particle beam lithography system and method
FUJITSU LTD63 citations96
US5105089AApr 14, 1992
Electron beam exposure system
FUJITSU LTD25 citations93
US5051556ASep 24, 1991
Charged particle beam lithography system and a method thereof
FUJITSU LTD43 citations93
US5041731AAug 20, 1991
Deflection compensating device for converging lens
FUJITSU LTD24 citations93
US6137111AOct 24, 2000
Charged particle-beam exposure device and charged-particle-beam exposure method
FUJITSU LTD26 citations92
US5981960ANov 9, 1999
Charged particle beam exposure method and apparatus therefor
FUJITSU LTD36 citations92
US5892237AApr 6, 1999
Charged particle beam exposure method and apparatus
FUJITSU LTD28 citations92
US5830612ANov 3, 1998
Method of detecting a deficiency in a charged-particle-beam exposure mask
FUJITSU LTD28 citations92
US5719402AFeb 17, 1998
Method of and system for charged particle beam exposure
FUJITSU LTD32 citations92
US5546319AAug 13, 1996
Method of and system for charged particle beam exposure
FUJITSU LTD21 citations92
US5404018AApr 4, 1995
Method of and an apparatus for charged particle beam exposure
FUJITSU LTD22 citations92
US5391886AFeb 21, 1995
Charged particle beam exposure system and method of exposing a pattern on an object by such a charged particle beam exposure system
FUJITSU LTD36 citations92
US5304811AApr 19, 1994
Lithography system using charged-particle beam and method of using the same
FUJITSU LTD23 citations92
US5965895AOct 12, 1999
Method of providing changed particle beam exposure in which representative aligning marks on an object are detected to calculate an actual position to perform exposure
FUJITSU LTD13 citations82
US5721432AFeb 24, 1998
Method of and system for charged particle beam exposure
FUJITSU LTD16 citations82
US4954717ASep 4, 1990
Photoelectron mask and photo cathode image projection method using the same
FUJITSU LTD21 citations81
US5949078ASep 7, 1999
Charged-particle-beam exposure device and charged-particle-beam exposure method
FUJITSU LTD16 citations80
US5849436ADec 15, 1998
Block mask and charged particle beam exposure method and apparatus using the same
FUJITSU LTD15 citations74
US5608226AMar 4, 1997
Electron-beam exposure method and system
FUJITSU LTD17 citations74
US5466549ANov 14, 1995
Method of detecting and adjusting exposure conditions of charged particle exposure system
FUJITSU LTD13 citations74
US5449915ASep 12, 1995
Electron beam exposure system capable of detecting failure of exposure
FUJITSU LTD17 citations74
DDK LTD
11 patentsUS7845987B2Dec 7, 2010
Electrical connector with plug connector and receptacle connector
DDK LTD24 citations92
USD576103SSep 2, 2008
Electric connector
DDK LTD17 citations92
USD562774SFeb 26, 2008
Electric connector
DDK LTD22 citations92
USD543944SJun 5, 2007
Electric connector
DDK LTD17 citations92
USD539226SMar 27, 2007
Electric connector
DDK LTD24 citations92
USD539227SMar 27, 2007
Electric connector
DDK LTD20 citations92
US6361382B1Mar 26, 2002
Terminal assembly providing a space for inserting a cable
DDK LTD37 citations88
US6322388B1Nov 27, 2001
Electrical connector
DDK LTD29 citations88
US6776637B2Aug 17, 2004
Panel mounted electrical connector movable relative to the panel
DDK LTD15 citations84
US7540770B2Jun 2, 2009
Electrical connector
DDK LTD10 citations83
US7354299B2Apr 8, 2008
Electrical connector
DDK LTD13 citations77
MORINAGA MILK INDUSTRY CO LTD
2 patentsNEC CORP
1 patentNIHON KOHDEN CORP
1 patentHOSPAL AG
1 patent(unassigned)
1 patentYAMADA MACHINERY IND CO LTD
1 patentNOMURA TOSHIYUKI
1 patentISHIKAWA MASUMI
1 patentBUNKER RAMO
1 patentWebasto SE
1 patentTAKAGI MASAMICHI
1 patentISHIKAWAJIMA HARIMA HEAVY IND
1 patentADVANTEST CORP
1 patentShowing the top 50 of 131 patents by PatentIndex Score.