Inventor
ARAKAWA KATSUJI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “ARAKAWA KATSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
13 patentsUS6563079B1May 13, 2003
Method for machining work by laser beam
SEIKO EPSON CORP72 citations96
US6447107B1Sep 10, 2002
Printing head and ink jet recording apparatus using the same
SEIKO EPSON CORP126 citations96
US6424048B1Jul 23, 2002
Semiconductor chip, semiconductor device, circuit board and electronic equipment and production methods for them
SEIKO EPSON CORP18 citations92
US7306744B2Dec 11, 2007
Method of manufacturing a nozzle plate
SEIKO EPSON CORP10 citations83
US6375310B1Apr 23, 2002
Ink jet head, manufacturing method therefor, and ink jet recording apparatus
SEIKO EPSON CORP16 citations83
US6677237B2Jan 13, 2004
Semiconductor chip, semiconductor device, circuit board and electronic equipment and production methods for them
SEIKO EPSON CORP12 citations74
US9372337B2Jun 21, 2016
Wavelength variable interference filter, manufacturing method of wavelength variable interference filter, optical filter device, optical module, and electronic apparatus
SEIKO EPSON CORP4 citations72
US7581824B2Sep 1, 2009
Electrostatic actuator, droplet discharge head and method for manufacturing the droplet discharge head, droplet discharge apparatus, and device
SEIKO EPSON CORP6 citations62
US7536785B2May 26, 2009
Method for manufacturing a droplet ejection head
SEIKO EPSON CORP5 citations62
US11042023B2Jun 22, 2021
Wavelength variable interference filter having substrate hydroxyl group concentration, electronic component, manufacturing method of electronic component, and electronic apparatus
SEIKO EPSON CORP0 citations61
US7147795B2Dec 12, 2006
Method for surface treatment
SEIKO EPSON CORP2 citations60
US6989513B2Jan 24, 2006
Heat-generating element, heat-generating substrates, heat-generating substrate manufacturing method, microswitch, and flow sensor
SEIKO EPSON CORP0 citations52
US7637601B2Dec 29, 2009
Droplet discharging head, droplet discharging apparatus, method for manufacturing droplet discharging head and method for manufacturing droplet discharging apparatus
SEIKO EPSON CORP0 citations38
ARAKAWA KATSUJI
2 patentsUS8746846B2Jun 10, 2014
Nozzle plate, discharge head, method for producing the nozzle plate, method for producing the discharge head, and discharge device
ARAKAWA KATSUJI3 citations58
US9170418B2Oct 27, 2015
Variable wavelength interference filter, optical module, optical analysis device, and method for manufacturing variable wavelength interference filter
ARAKAWA KATSUJI1 citations48