Inventor
UMETSU KAZUSHIGE
JP29 patents
⚠️ This page may combine multiple inventors who share the name “UMETSU KAZUSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
28 patentsUS6667551B2Dec 23, 2003
Semiconductor device and manufacturing thereof, including a through-hole with a wider intermediate cavity
SEIKO EPSON CORP233 citations99
US6852621B2Feb 8, 2005
Semiconductor device and manufacturing method therefor, circuit board, and electronic equipment
SEIKO EPSON CORP82 citations98
US6812549B2Nov 2, 2004
Wiring board and fabricating method thereof, semiconductor device and fabricating method thereof, circuit board and electronic instrument
SEIKO EPSON CORP157 citations98
US6690032B1Feb 10, 2004
Electro-optical device and method of manufacture thereof, and electronic instrument
SEIKO EPSON CORP76 citations98
US6608371B2Aug 19, 2003
Semiconductor device and method of manufacturing the same, circuit board, and electronic equipment
SEIKO EPSON CORP243 citations98
US6623178B1Sep 23, 2003
Optical module and method of manufacture thereof, semiconductor device, and optical transmission device
SEIKO EPSON CORP61 citations96
US6563079B1May 13, 2003
Method for machining work by laser beam
SEIKO EPSON CORP72 citations96
US6596634B2Jul 22, 2003
Wiring board and fabricating method thereof, semiconductor device and fabricating method thereof, circuit board and electronic instrument
SEIKO EPSON CORP37 citations92
US6424048B1Jul 23, 2002
Semiconductor chip, semiconductor device, circuit board and electronic equipment and production methods for them
SEIKO EPSON CORP18 citations92
US6448682B2Sep 10, 2002
Motor laminated core, method of manufacturing same, motor and ink jet recording device
SEIKO EPSON CORP25 citations89
US6249072B1Jun 19, 2001
Motor laminated core, method of manufacturing same, motor and ink jet recording device
SEIKO EPSON CORP20 citations89
US7709159B2May 4, 2010
Mask, mask forming method, pattern forming method, and wiring pattern forming method
SEIKO EPSON CORP14 citations84
US7521649B2Apr 21, 2009
Laser processing apparatus and laser processing method
SEIKO EPSON CORP15 citations84
US7518294B2Apr 14, 2009
Manufacturing method of quartz crystal resonator, apparatus therefor, and quartz crystal resonator manufactured thereby
SEIKO EPSON CORP8 citations84
US7241967B2Jul 10, 2007
Method and apparatus for cutting electrical wiring line on a substrate, and method and apparatus for manufacturing electronic device
SEIKO EPSON CORP7 citations74
US6781089B2Aug 24, 2004
Method and apparatus for cutting electrical wiring line on a substrate, and method and apparatus for manufacturing electronic device
SEIKO EPSON CORP9 citations74
US6775958B2Aug 17, 2004
Package sealing method, manufacturing method of electronic device modules, sealing apparatus, and packaged product
SEIKO EPSON CORP9 citations74
US6677237B2Jan 13, 2004
Semiconductor chip, semiconductor device, circuit board and electronic equipment and production methods for them
SEIKO EPSON CORP12 citations74
US6507003B2Jan 14, 2003
Method and apparatus for laser processing
SEIKO EPSON CORP10 citations73
US6063301AMay 16, 2000
Crystal display processing method and crystal wafer manufacturing method
SEIKO EPSON CORP14 citations68
US7829446B2Nov 9, 2010
Method for dividing wafer, method for manufacturing silicon devices, and method for manufacturing liquid ejecting heads
SEIKO EPSON CORP2 citations63
US7411649B2Aug 12, 2008
Method for manufacturing a crystal device
SEIKO EPSON CORP4 citations63
US7387739B2Jun 17, 2008
Mask and method of manufacturing the same, electroluminescent device and method of manufacturing the same, and electronic instrument
SEIKO EPSON CORP2 citations63
US7307444B2Dec 11, 2007
Testing method and testing apparatus for liquid crystal panel
SEIKO EPSON CORP2 citations63
US7070700B2Jul 4, 2006
Method of laser processing and head for ejecting droplet
SEIKO EPSON CORP2 citations63
US7440074B2Oct 21, 2008
Method for repair of liquid crystal display device light point defects using detection of corrective laser light in real time
SEIKO EPSON CORP1 citations52
US6918705B2Jul 19, 2005
Optical module and method of manufacture thereof, semiconductor device, and optical transmission device
SEIKO EPSON CORP1 citations52
US7406756B2Aug 5, 2008
Method for manufacturing a piezoelectric resonator
SEIKO EPSON CORP0 citations41