Inventor
Keiji Hara
Inventor
Minowa-machi, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters55%
A62BDevices, apparatus or methods for life-saving5%
A63FCard, board, or roulette games5%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool5%
B23KSoldering or unsoldering5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
C03BManufacture, shaping, or supplementary processes5%
C22CAlloys5%
H01JElectric discharge tubes or discharge lamps5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
9,403,369'Flow channel member, liquid ejecting head, and liquid ejecting apparatus'20169,233,544'Head unit and liquid ejecting apparatus'20168,967,779'Flow channel member, liquid ejecting head, liquid ejecting apparatus, and liquid reservoir'20158,960,873'Liquid ejecting apparatus'20158,894,186'Liquid ejecting apparatus'20148,833,916'Liquid ejecting head and liquid ejecting apparatus'20148,758,652'Tungsten cathode material'20148,740,354'Liquid ejecting head and liquid ejecting apparatus'20148,459,790'Liquid ejecting apparatus'20138,376,539'Liquid ejecting head and liquid ejecting apparatus'20138,251,505'Recording apparatus and method of adjusting temperature of transport belt of recording apparatus'20127,976,145'Recording method'20117,950,763'Recording method'20117,690,051'Harness type safety belt'20107,357,719'Game system, game device, and storage medium'20084,285,716'Method of quenching glass sheets'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2016Patents assigned to SEIKO EPSON CORP (12)· patent assignee history
2011–2013Based in Minowa-machi, JP· patent location history
2012–2014Patents assigned to HARA KEIJI (6)· patent assignee history
2013Patents assigned to IKEGAMI AKIHIKO (1)· patent assignee history
2014Patents assigned to NAKAO HAJIME (2)· patent assignee history
2014Patents assigned to MATSUO AKIRA (1)· patent assignee history
2014–2016Based in Yokohama, JP· patent location history
2014Based in Minowa, JP· patent location history
2014Based in Fukuoka, JP· patent location history
2015–2016Based in Shiojiri, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 12 | 2011–2016 |
| HARA KEIJIself | 6 | 2012–2014 |
| NAKAO HAJIME | 2 | 2014 |
| IKEGAMI AKIHIKO | 1 | 2013 |
| MATSUO AKIRA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minowa-machi, JP | 5 | 2011–2013 |
| Yokohama, JP | 3 | 2014–2016 |
| Shiojiri, JP | 2 | 2015–2016 |
| Minowa, JP | 1 | 2014 |
| Fukuoka, JP | 1 | 2014 |