Inventor
IIJIMA TAKAYUKI
JP57 patents
⚠️ This page may combine multiple inventors who share the name “IIJIMA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
16 patentsUS7300142B1Nov 27, 2007
Ink cartridge for ink-jet printing apparatus
SEIKO EPSON CORP44 citations96
US6634742B2Oct 21, 2003
Recording head unit
SEIKO EPSON CORP64 citations96
USD489754SMay 11, 2004
Inkjet printer
SEIKO EPSON CORP44 citations92
US6206499B1Mar 27, 2001
Ink-jet recording head
SEIKO EPSON CORP45 citations92
USD895004SSep 1, 2020
Printer
SEIKO EPSON CORP11 citations86
USD523069SJun 13, 2006
Printer
SEIKO EPSON CORP11 citations84
USD516622SMar 7, 2006
Printer
SEIKO EPSON CORP14 citations84
US6626524B2Sep 30, 2003
Ink jet recording head provided with a vibrator unit
SEIKO EPSON CORP14 citations84
US6296351B1Oct 2, 2001
Ink jet recording head with narrowed reservoir ends
SEIKO EPSON CORP15 citations84
USD517596SMar 21, 2006
Cutting device for roll paper
SEIKO EPSON CORP6 citations74
US6382778B1May 7, 2002
Ink jet recording head and method of manufacturing the same
SEIKO EPSON CORP13 citations74
US6598962B2Jul 29, 2003
Ink jet recording head
SEIKO EPSON CORP7 citations66
US10935918B2Mar 2, 2021
Printing apparatus
SEIKO EPSON CORP1 citations63
US7871156B2Jan 18, 2011
Ink cartridge for ink-jet printing apparatus
SEIKO EPSON CORP3 citations62
US12023804B2Jul 2, 2024
Robot arm and robot system
SEIKO EPSON CORP0 citations52
US8740376B2Jun 3, 2014
Recording apparatus
SEIKO EPSON CORP0 citations52
PIONEER CORP
9 patentsUS6285634B1Sep 4, 2001
Bias voltage controlling apparatus, information reproducing apparatus and information recording apparatus
PIONEER CORP18 citations84
US7145839B2Dec 5, 2006
Apparatus for editing management information to be recorded on an information storage medium
PIONEER CORP4 citations74
US6801489B2Oct 5, 2004
Apparatus for reproducing information
PIONEER CORP11 citations74
US6731574B1May 4, 2004
Focus servo controlling apparatus, information reproducing apparatus and information recording apparatus
PIONEER CORP8 citations74
US6839311B1Jan 4, 2005
Information recording unit and method thereof
PIONEER CORP5 citations62
US7369464B2May 6, 2008
Editing device capable of changing the displaying mode of management information
PIONEER CORP0 citations52
US7327641B2Feb 5, 2008
Editing device capable of displaying logical positions of tracks
PIONEER CORP0 citations52
US7187628B2Mar 6, 2007
Editing device capable of imparting group management information to each recording track
PIONEER CORP0 citations52
US6958959B2Oct 25, 2005
Apparatus for reproducing information based on the type of compression method used in compressing the information
PIONEER CORP1 citations52
PIONEER ELECTRONIC CORP
7 patentsUS6335910B1Jan 1, 2002
Information recording apparatus capable of avoiding erroneous recording of information in the event of external disturbances due to movement
PIONEER ELECTRONIC CORP37 citations91
US5554966ASep 10, 1996
Car-stereo with removable control panel, alarm, and power conservation
PIONEER ELECTRONIC CORP29 citations90
US4823056AApr 18, 1989
Pulse-width modulation drive circuit
PIONEER ELECTRONIC CORP25 citations89
US4939712AJul 3, 1990
Multiple track and reversing address search method for use in a disk player system
PIONEER ELECTRONIC CORP14 citations74
US6801482B1Oct 5, 2004
Information record/reproduction unit and method thereof
PIONEER ELECTRONIC CORP9 citations73
US5359230AOct 25, 1994
On-vehicle electronic device
PIONEER ELECTRONIC CORP15 citations71
US5109365AApr 28, 1992
Record information reproducing method with content identifiers
PIONEER ELECTRONIC CORP15 citations71
KONICA MINOLTA INC
4 patentsUS9972802B2May 15, 2018
Organic electroluminescent element
KONICA MINOLTA INC7 citations83
US10651395B2May 12, 2020
Organic electroluminescent element, display device, and illumination device
KONICA MINOLTA INC2 citations73
US11358951B2Jun 14, 2022
Π(PI)-conjugated compound, organic electroluminescence element material, light-emitting material, light-emitting thin film, organic electroluminescence element, display device, and illumination device
KONICA MINOLTA INC5 citations71
US11476427B2Oct 18, 2022
π-conjugated boron compound, electronic device, and methods respectively for producing triarylborane and intermediate thereof
KONICA MINOLTA INC0 citations57
HOYA LENS THAILAND LTD
3 patentsUS10144796B2Dec 4, 2018
Polymerizable composition, optical member, plastic lens, and eyeglass lens
HOYA LENS THAILAND LTD4 citations73
US10465036B2Nov 5, 2019
Polymerizable composition, transparent resin, optical material, plastic lens, and method for manufacturing transparent resin
HOYA LENS THAILAND LTD0 citations51
US10106640B2Oct 23, 2018
Polymerizable composition, transparent resin, optical material, plastic lens, and method for manufacturing transparent resin
HOYA LENS THAILAND LTD0 citations51
SUMITOMO CHEMICAL CO
3 patentsSUZUKI WATARU
2 patentsINOUE SUSUMU
2 patentsNEC CORP
1 patentHIGASHIMURA HIDEYUKI
1 patentICHIKOH INDUSTRIES LTD
1 patentJGC CORP
1 patentShowing the top 50 of 57 patents by PatentIndex Score.