Inventor
NAKAO HAJIME
JP44 patents
⚠️ This page may combine multiple inventors who share the name “NAKAO HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
18 patentsUS9156261B2Oct 13, 2015
Piezoelectric unit, liquid ejecting head, liquid ejecting apparatus and method of manufacturing piezoelectric unit
SEIKO EPSON CORP2 citations63
US10525707B2Jan 7, 2020
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric device
SEIKO EPSON CORP1 citations62
US11279132B2Mar 22, 2022
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11179936B2Nov 23, 2021
Liquid ejecting head, liquid ejecting apparatus, and piezoelectric device
SEIKO EPSON CORP0 citations52
US9469108B2Oct 18, 2016
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US9381747B2Jul 5, 2016
Flow path component, liquid ejecting apparatus, and method for manufacturing flow path component
SEIKO EPSON CORP0 citations52
US9248649B2Feb 2, 2016
Liquid ejecting head, liquid ejecting apparatus, and method of manufacturing liquid ejecting head
SEIKO EPSON CORP0 citations52
US9150018B2Oct 6, 2015
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US9022526B2May 5, 2015
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP1 citations52
US8827423B2Sep 9, 2014
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US8678559B2Mar 25, 2014
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP1 citations52
US9242463B2Jan 26, 2016
Liquid-jet head and liquid-jet apparatus
SEIKO EPSON CORP0 citations51
US10479078B2Nov 19, 2019
Liquid ejecting head, liquid ejecting apparatus, and manufacturing method of liquid ejecting apparatus
SEIKO EPSON CORP0 citations42
US9701117B2Jul 11, 2017
Liquid-jet head and liquid-jet apparatus
SEIKO EPSON CORP0 citations42
US9387674B2Jul 12, 2016
Flow path unit and liquid ejecting apparatus equipped with flow path unit
SEIKO EPSON CORP0 citations42
US9056476B2Jun 16, 2015
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations42
US8967771B2Mar 3, 2015
Liquid ejecting head, liquid ejecting apparatus and method for manufacturing liquid ejecting head
SEIKO EPSON CORP0 citations42
US9505227B2Nov 29, 2016
Liquid ejecting apparatus with water repellent region
SEIKO EPSON CORP0 citations40
TAGAWA KAZUO
7 patentsUS8193129B2Jun 5, 2012
Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composition
TAGAWA KAZUO779 citations98
US8299006B2Oct 30, 2012
Compressor oil composition
TAGAWA KAZUO3 citations73
US8227388B2Jul 24, 2012
Hydraulic oil composition
TAGAWA KAZUO5 citations73
US8247360B2Aug 21, 2012
Heat treating oil composition
TAGAWA KAZUO1 citations62
US8236740B2Aug 7, 2012
Lubricating oil composition
TAGAWA KAZUO1 citations62
US8232233B2Jul 31, 2012
Lubricating oil composition for machine tools
TAGAWA KAZUO1 citations62
US8227387B2Jul 24, 2012
Metalworking oil composition
TAGAWA KAZUO2 citations62
JX NIPPON OIL & ENERGY CORP
4 patentsUS10227541B2Mar 12, 2019
Lubricating oil composition for transmissions
JX NIPPON OIL & ENERGY CORP2 citations72
US9540587B2Jan 10, 2017
Lubricating oil composition for transmissions
JX NIPPON OIL & ENERGY CORP2 citations72
US9340747B2May 17, 2016
Lubricating oil composition for transmissions
JX NIPPON OIL & ENERGY CORP3 citations72
US9163195B2Oct 20, 2015
Lubricant composition
JX NIPPON OIL & ENERGY CORP2 citations63
NAKAO HAJIME
4 patentsUS8115882B2Feb 14, 2012
Liquid crystal display device and manufacturing method thereof
NAKAO HAJIME6 citations71
US8672458B2Mar 18, 2014
Liquid ejecting head and liquid ejecting apparatus
NAKAO HAJIME2 citations61
US9120992B2Sep 1, 2015
Gear oil composition
NAKAO HAJIME2 citations60
US8740354B2Jun 3, 2014
Liquid ejecting head and liquid ejecting apparatus
NAKAO HAJIME2 citations60