Inventor
FUJITA KEI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
16 patentsUS6143190ANov 7, 2000
Method of producing a through-hole, silicon substrate having a through-hole, device using such a substrate, method of producing an ink-jet print head, and ink-jet print head
CANON KK151 citations99
US5569614AOct 29, 1996
Method of forming metal pattern including a schottky diode
CANON KK40 citations95
US5376231ADec 27, 1994
Substrate for recording head, recording head and method for producing same
CANON KK94 citations95
US6467884B1Oct 22, 2002
Substrate unit for liquid discharging head, method for producing the same, liquid discharging head, cartridge, and image forming apparatus
CANON KK33 citations92
US5517224AMay 14, 1996
Semiconductor device for driving heat generator
CANON KK37 citations91
US6962405B2Nov 8, 2005
Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head
CANON KK15 citations84
US7056798B2Jun 6, 2006
Semiconductor device, method for manufacturing the same, and liquid jet apparatus
CANON KK7 citations74
US6825543B2Nov 30, 2004
Semiconductor device, method for manufacturing the same, and liquid jet apparatus
CANON KK11 citations74
US5666142ASep 9, 1997
Ink jet recording system having improved functional devices for driving energy generating members
CANON KK16 citations74
US5663097ASep 2, 1997
Method of fabricating a semiconductor device having an insulating side wall
CANON KK15 citations74
US5963812AOct 5, 1999
Manufacturing method of a semiconductor apparatus having an electron donative surface in a side wall portion
CANON KK10 citations73
US5264874ANov 23, 1993
Ink jet recording system
CANON KK9 citations73
US5216447AJun 1, 1993
Recording head
CANON KK9 citations73
US5567630AOct 22, 1996
Method of forming an ink jet recording device, and head using same
CANON KK15 citations70
US6867457B2Mar 15, 2005
Semiconductor device and liquid jetting device using the same
CANON KK2 citations63
US5580808ADec 3, 1996
Method of manufacturing a ROM device having contact holes treated with hydrogen atoms and energy beam
CANON KK2 citations62