Inventor
OKADA HIDEKI
JP123 patents
⚠️ This page may combine multiple inventors who share the name “OKADA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
14 patentsUS5655197AAug 5, 1997
Developing device
SEIKO EPSON CORP47 citations96
US5557060ASep 17, 1996
Developing device
SEIKO EPSON CORP30 citations93
US6146802ANov 14, 2000
Toner and development unit and image forming apparatus using the same
SEIKO EPSON CORP26 citations92
US5475469ADec 12, 1995
Image forming equipment with depletion detection in an toner endless circulation path
SEIKO EPSON CORP40 citations92
US7149463B2Dec 12, 2006
Fixing device
SEIKO EPSON CORP14 citations84
US6358654B1Mar 19, 2002
Toner and development unit and image forming apparatus using the same
SEIKO EPSON CORP5 citations74
US9109133B2Aug 18, 2015
Ink jet ink and recorded object
SEIKO EPSON CORP4 citations72
US12351978B2Jul 8, 2025
Ink jet textile printing method and recording apparatus
SEIKO EPSON CORP0 citations63
US11845871B2Dec 19, 2023
Treatment liquid composition for ink jet pigment printing, ink set, and recording method
SEIKO EPSON CORP1 citations63
US6605401B2Aug 12, 2003
Toner and development unit and image forming apparatus using the same
SEIKO EPSON CORP1 citations63
US12441100B2Oct 14, 2025
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US12350948B2Jul 8, 2025
Printing system and processing apparatus
SEIKO EPSON CORP0 citations62
US12343991B2Jul 1, 2025
Processing method and processing apparatus
SEIKO EPSON CORP0 citations62
US11407244B2Aug 9, 2022
Ink jet recording method
SEIKO EPSON CORP1 citations61
KAWASAKI HEAVY IND LTD
9 patentsUS10201873B2Feb 12, 2019
Friction stir spot welding device and friction stir spot welding method
KAWASAKI HEAVY IND LTD10 citations82
US11813692B2Nov 14, 2023
Friction stir welding apparatus and friction stir welding method
KAWASAKI HEAVY IND LTD6 citations73
US11633802B2Apr 25, 2023
Method for operating double-action friction stir welding device, and double-action friction stir welding device
KAWASAKI HEAVY IND LTD6 citations73
US11534981B2Dec 27, 2022
Friction stir spot welding apparatus and friction stir spot welding method
KAWASAKI HEAVY IND LTD3 citations73
US10293431B2May 21, 2019
Friction stir spot welding apparatus and friction stir spot welding method
KAWASAKI HEAVY IND LTD4 citations71
US10919108B2Feb 16, 2021
Configured to set the plunging force
KAWASAKI HEAVY IND LTD6 citations70
US10661323B2May 26, 2020
Apparatus for and method of manufacturing roll-formed component having variable width
KAWASAKI HEAVY IND LTD3 citations69
US12145747B2Nov 19, 2024
Aircraft component assembly jig and aircraft component inspection tool
KAWASAKI HEAVY IND LTD2 citations68
US11040386B2Jun 22, 2021
Apparatus for and method of manufacturing roll- formed component
KAWASAKI HEAVY IND LTD2 citations67
NHK SPRING CO LTD
7 patentsUS6820317B2Nov 23, 2004
Method of making a metallic bellows
NHK SPRING CO LTD18 citations84
US6564606B2May 20, 2003
Manufacturing method and manufacturing apparatus for metallic bellows
NHK SPRING CO LTD17 citations83
US7399372B2Jul 15, 2008
Method for manufacturing metallic bellows
NHK SPRING CO LTD7 citations74
US10583706B2Mar 10, 2020
Method of manufacturing a suspension coil spring
NHK SPRING CO LTD3 citations73
US10415110B2Sep 17, 2019
Method for producing hollow stabilizer
NHK SPRING CO LTD5 citations72
US10315287B2Jun 11, 2019
Vertical motion impeller-type shot peening device and coil spring
NHK SPRING CO LTD3 citations71
US10442269B2Oct 15, 2019
Hollow stabilizer
NHK SPRING CO LTD1 citations62
FUJIFILM CORP
3 patentsUS10093645B2Oct 9, 2018
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
FUJIFILM CORP4 citations83
US9475835B2Oct 25, 2016
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl) cytosine, synthetic intermediate of thionucleoside, and method for producing the same
FUJIFILM CORP11 citations83
US9221865B2Dec 29, 2015
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
FUJIFILM CORP10 citations83
TANGE AKIRA
3 patentsUS8533954B2Sep 17, 2013
Method for manufacturing a coil spring for vehicle suspension
TANGE AKIRA11 citations82
US8308150B2Nov 13, 2012
Coil spring for vehicle suspension and method for manufacturing the same
TANGE AKIRA11 citations82
US8607605B2Dec 17, 2013
Manufacturing method for coil spring
TANGE AKIRA8 citations78
MITSUBISHI ELECTRIC CORP
3 patentsOKADA HIDEKI
2 patentsKYOCERA DOCUMENT SOLUTIONS INC
2 patentsTAIYO YUDEN KK
1 patentTACHIYA NAOHISA
1 patentUACJ CORP
1 patentKYOCERA MITA CORP
1 patentYAJIMA TAKASHI
1 patentTAIYO FISHERY CO LTD
1 patentMITA INDUSTRIAL CO LTD
1 patentShowing the top 50 of 123 patents by PatentIndex Score.