Inventor
TANAKA TOSHIHIKO
JP182 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS5733712AMar 31, 1998
Resist pattern forming method using anti-reflective layer, resist pattern formed, and method of etching using resist pattern and product formed
HITACHI LTD62 citations96
US5362591ANov 8, 1994
Mask having a phase shifter and method of manufacturing same
HITACHI LTD42 citations96
US5235400AAug 10, 1993
Method of and apparatus for detecting defect on photomask
HITACHI LTD77 citations96
US5196910AMar 23, 1993
Semiconductor memory device with recessed array region
HITACHI LTD108 citations96
US4992825AFeb 12, 1991
Method of forming pattern and projection aligner for carrying out the same
HITACHI LTD39 citations96
US4937619AJun 26, 1990
Projection aligner and exposure method
HITACHI LTD92 citations96
US4904569AFeb 27, 1990
Method of forming pattern and projection aligner for carrying out the same
HITACHI LTD64 citations96
US4882289ANov 21, 1989
Method of making a semiconductor memory device with recessed array region
HITACHI LTD85 citations96
US4869999ASep 26, 1989
Method of forming pattern and projection aligner for carrying out the same
HITACHI LTD81 citations96
US6656644B2Dec 2, 2003
Manufacturing method of photomask and photomask
HITACHI LTD64 citations95
US6495870B1Dec 17, 2002
Semiconductor device and method for patterning the semiconductor device in which line patterns terminate at different lengths to prevent the occurrence of a short or break
HITACHI LTD25 citations93
US5885735AMar 23, 1999
Mask having a phase shifter and method of manufacturing same
HITACHI LTD20 citations93
US4575399AMar 11, 1986
Method of pattern detection
HITACHI LTD40 citations93
US4563241AJan 7, 1986
Method of forming patterns
HITACHI LTD26 citations93
US6653052B2Nov 25, 2003
Electron device manufacturing method, a pattern forming method, and a photomask used for those methods
HITACHI LTD15 citations92
US5296729AMar 22, 1994
Semiconductor memory device having static random access memory
HITACHI LTD48 citations92
US6703171B2Mar 9, 2004
Photomask, the manufacturing method, a patterning method, and a semiconductor device manufacturing method
HITACHI LTD13 citations84
US6645856B2Nov 11, 2003
Method for manufacturing a semiconductor device using half-tone phase-shift mask to transfer a pattern onto a substrate
HITACHI LTD16 citations84
USRE38296ENov 4, 2003
Semiconductor memory device with recessed array region
HITACHI LTD17 citations84
US6617265B2Sep 9, 2003
Photomask and method for manufacturing the same
HITACHI LTD16 citations84
US6558855B2May 6, 2003
Phase shift mask and manufacturing the same
HITACHI LTD13 citations84
RENESAS TECH CORP
5 patentsUS6703328B2Mar 9, 2004
Semiconductor device manufacturing method
RENESAS TECH CORP277 citations99
US6927002B2Aug 9, 2005
Photomask, the manufacturing method, a patterning method, and a semiconductor device manufacturing method
RENESAS TECH CORP17 citations92
US7630068B2Dec 8, 2009
Method and system of defect inspection for mask blank and method of manufacturing semiconductor device using the same
RENESAS TECH CORP17 citations84
US6939649B2Sep 6, 2005
Fabrication method of semiconductor integrated circuit device and mask
RENESAS TECH CORP17 citations84
US6780781B2Aug 24, 2004
Method for manufacturing an electronic device
RENESAS TECH CORP13 citations83
MITSUBISHI ELECTRIC CORP
3 patentsUS6060338AMay 9, 2000
Method of making a field effect transistor
MITSUBISHI ELECTRIC CORP124 citations98
US5892244AApr 6, 1999
Field effect transistor including πconjugate polymer and liquid crystal display including the field effect transistor
MITSUBISHI ELECTRIC CORP248 citations98
US6060333AMay 9, 2000
Method of making a liquid crystal display including a field effect transistor
MITSUBISHI ELECTRIC CORP62 citations95
OLYMPUS OPTICAL CO
3 patentsHITACHI METALS LTD
3 patentsMITSUBISHI CHEM CORP
2 patentsNTN TOYO BEARING CO LTD
2 patentsSORTEC CORP
2 patentsHITICHI LTD
1 patentTAKATA CORP
1 patentSANYO ELECTRIC CO
1 patentKAYAMA RYOZO
1 patentJAPAN DISPLAY INC
1 patentDENSO CORP
1 patentOLYMPUS CORP
1 patentTOYOTA MOTOR CO LTD
1 patentSUMITOMO HEAVY INDUSTRIES
1 patentShowing the top 50 of 182 patents by PatentIndex Score.