Inventor
YOKOYAMA SAKAI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SAKAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
22 patentsUS5491505AFeb 13, 1996
Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink
CANON KK75 citations96
US5081474AJan 14, 1992
Recording head having multi-layer matrix wiring
CANON KK66 citations96
US7950769B2May 31, 2011
Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head
CANON KK21 citations93
US7591071B2Sep 22, 2009
Manufacturing Method of Semiconductive Element and Ink Jet Head Substrate
CANON KK22 citations92
US7954238B2Jun 7, 2011
Method of manufacturing ink jet circuit board with heaters and electrodes constructed to reduce corrosion
CANON KK7 citations84
US7862155B2Jan 4, 2011
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same
CANON KK8 citations84
US7712875B2May 11, 2010
Base member for liquid discharge head, liquid discharge head utilizing the same, and producing method therefor
CANON KK8 citations84
US7681993B2Mar 23, 2010
Circuit board for ink jet head, method of manufacturing the same, and ink jet head using the same
CANON KK10 citations84
US7641316B2Jan 5, 2010
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same
CANON KK8 citations84
US7566116B2Jul 28, 2009
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same
CANON KK8 citations84
US7374275B2May 20, 2008
Ink jet head circuit board with heaters and electrodes constructed to reduce corrosion, method of manufacturing the same and ink jet head using the same
CANON KK10 citations84
US7306327B2Dec 11, 2007
Substrate for ink jet head, ink jet head using the same, and manufacturing method thereof
CANON KK12 citations84
US7255426B2Aug 14, 2007
Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same
CANON KK10 citations84
US7857429B2Dec 28, 2010
Ink jet recording head and manufacturing method of ink jet recording head
CANON KK7 citations74
US7798595B2Sep 21, 2010
Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing head
CANON KK2 citations63
US7533969B2May 19, 2009
Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate
CANON KK4 citations63
US7472975B2Jan 6, 2009
Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing head
CANON KK3 citations63
US7338150B2Mar 4, 2008
Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same
CANON KK3 citations63
US7967421B2Jun 28, 2011
Ink jet print head and method for manufacturing ink jet print head
CANON KK2 citations62
US7055937B2Jun 6, 2006
Heat generating resistant element film, substrate for ink jet head utilizing the same, ink jet head and ink jet apparatus
CANON KK3 citations62
US7669981B2Mar 2, 2010
Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate
CANON KK1 citations52
US7393084B2Jul 1, 2008
Substrate for ink jet head with TaCr alloy protective layer, ink jet head utilizing the same and producing method therefor
CANON KK1 citations52
SAKAI TOSHIYASU
2 patentsUS8491087B2Jul 23, 2013
Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head
SAKAI TOSHIYASU15 citations92
US8123330B2Feb 28, 2012
Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head
SAKAI TOSHIYASU19 citations92