Inventor
WATANABE KENJIRO
JP106 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KENJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
42 patentsUS5583549ADec 10, 1996
Liquid storing container for recording apparatus
CANON KK132 citations99
US7278721B2Oct 9, 2007
Liquid container
CANON KK72 citations98
US7237881B2Jul 3, 2007
Liquid container, liquid supplying system, manufacturing method therefor, circuit board therefor and liquid containing cartridge
CANON KK76 citations98
US7213914B2May 8, 2007
Liquid container and manufacturing method therefor
CANON KK82 citations98
US6170939B1Jan 9, 2001
Liquid storing container for recording apparatus
CANON KK148 citations98
US5608437AMar 4, 1997
Ink container and ink jet recording apparatus using same
CANON KK124 citations98
US5477246ADec 19, 1995
Ink jet recording apparatus and method
CANON KK114 citations98
US5175565ADec 29, 1992
Ink jet substrate including plural temperature sensors and heaters
CANON KK133 citations98
US6234599B1May 22, 2001
Substrate having a built-in temperature detecting element, and ink jet apparatus having the same
CANON KK53 citations96
US5781213AJul 14, 1998
Liquid storing container having filter interface for recording apparatus
CANON KK76 citations96
US5589862ADec 31, 1996
Liquid storing container for recording apparatus
CANON KK66 citations96
USD356332SMar 14, 1995
Ink cartridge for printer
CANON KK49 citations96
USD355215SFeb 7, 1995
Ink cartridge for printer
CANON KK49 citations96
USD351855SOct 25, 1994
Ink cartridge for printer
CANON KK51 citations96
USD348479SJul 5, 1994
Ink cartridge for printer
CANON KK60 citations96
USD348480SJul 5, 1994
Ink cartridge for printer
CANON KK57 citations96
USD341620SNov 23, 1993
Ink cartridge for printer
CANON KK61 citations96
USD341619SNov 23, 1993
Ink cartridge for printer
CANON KK64 citations96
US4635080AJan 6, 1987
Liquid injection recording apparatus
CANON KK66 citations96
US8801162B2Aug 12, 2014
Liquid container and liquid supplying system
CANON KK11 citations93
US7841711B2Nov 30, 2010
Liquid container and liquid supplying system
CANON KK22 citations93
US6631978B1Oct 14, 2003
Ink tank holding member and ink jet cartridge provided with such holding member
CANON KK20 citations93
US6328427B1Dec 11, 2001
Method of producing a wiring substrate
CANON KK41 citations93
US6286926B1Sep 11, 2001
Ink jet recording apparatus and method
CANON KK24 citations93
US6149264ANov 21, 2000
Ink jet recording apparatus
CANON KK29 citations93
US6007174ADec 28, 1999
Ink jet recording apparatus and method
CANON KK32 citations93
US5940102AAug 17, 1999
Ink jet cartridge, ink jet apparatus and ink container
CANON KK37 citations93
US5652608AJul 29, 1997
Ink jet recording head, ink jet recording head cartridge, recording apparatus using the same and method of manufacturing the head
CANON KK36 citations93
USD355929SFeb 28, 1995
Ink cartridge for printer
CANON KK47 citations93
USD355210SFeb 7, 1995
Ink cartridge for printer
CANON KK46 citations93
USD355213SFeb 7, 1995
Ink cartridge for printer
CANON KK46 citations93
USD352059SNov 1, 1994
Ink cartridge for printer
CANON KK30 citations93
US5021809AJun 4, 1991
Ink jet recording device with pressure-fluctuation absorption
CANON KK32 citations93
US4847637AJul 11, 1989
Ink jet recording apparatus having a cap for maintaining a clean discharge port
CANON KK45 citations93
US7125109B2Oct 24, 2006
Ink container and ink container holder
CANON KK27 citations92
US6471321B1Oct 29, 2002
Ink jet recording apparatus and ink jet recording head
CANON KK17 citations92
US5339098AAug 16, 1994
Liquid discharge recording apparatus having apparatus for effecting preparatory emission
CANON KK32 citations92
USD352060SNov 1, 1994
Ink cartridge for printer
CANON KK33 citations90
US5319389AJun 7, 1994
Method of abnormal state detection for ink jet recording apparatus
CANON KK22 citations90
US8382265B2Feb 26, 2013
Liquid container and liquid supplying system
CANON KK7 citations84
US7841681B2Nov 30, 2010
Signaling module, liquid container, recording apparatus, and control method
CANON KK13 citations84
US7717541B2May 18, 2010
Liquid container
CANON KK8 citations84
SONY CORP
6 patentsUS6144517ANov 7, 2000
Magnetic disk device and method of manufacturing same
SONY CORP50 citations96
US5907448AMay 25, 1999
Magnetic disk device and method of manufacturing same having convex recordings regions, concave guard bands, and impressed concavities and convexities representing control signals
SONY CORP52 citations96
US4460636AJul 17, 1984
Optical information record member
SONY CORP27 citations93
US6320841B1Nov 20, 2001
Slider for optical head
SONY CORP24 citations92
US5018119AMay 21, 1991
Method for reproducing signal using an external magnetic field from magneto-optical recording medium having three magnetic layers
SONY CORP37 citations92
US7738341B2Jun 15, 2010
Recording and reproducing apparatus, recording and reproducing method, reproducing apparatus, and reproducing method
SONY CORP8 citations84
ANMA HIROMASA
1 patentCanon Kabuushiki Kaisha
1 patentShowing the top 50 of 106 patents by PatentIndex Score.