Inventor
Naofumi Ezaki
Inventor
Ibaraki, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers83%
B41JTypewriters8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
11,021,624Oil-based magnetic ink202110,920,096Oil-based inkjet ink and method for producing oil-based inkjet ink202110,907,062Oil-based inkjet ink and method for producing oil-based inkjet ink20219,643,417'Method for forming silicone-based cured film on ink discharge surface of nozzle plate for inkjet printer, and nozzle plate'20179,593,251'Non-aqueous pigment ink'20179,365,736'Non-aqueous pigment ink'20168,999,049'W/O emulsion ink for inkjet'20158,795,421'W/O emulsion ink for inkjet'20148,778,068'W/O emulsion ink for inkjet'20148,394,185'Non-aqueous inkjet ink'20138,232,329'Inkjet ink'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2021Patents assigned to RISO KAGAKU CORP (11)· patent assignee history
2012–2015Patents assigned to EZAKI NAOFUMI (4)· patent assignee history
2012Patents assigned to FUKAISHI MASAYUKI (1)· patent assignee history
2012–2021Based in Ibaraki, JP· patent location history
2014–2015Patents assigned to ANDO KAZUYUKI (2)· patent assignee history
2014–2015Patents assigned to SHIMURA SHINICHIRO (2)· patent assignee history
2014–2015Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RISO KAGAKU CORP | 11 | 2012–2021 |
| EZAKI NAOFUMIself | 4 | 2012–2015 |
| ANDO KAZUYUKI | 2 | 2014–2015 |
| SHIMURA SHINICHIRO | 2 | 2014–2015 |
| FUKAISHI MASAYUKI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 8 | 2012–2021 |
| Tokyo, JP | 3 | 2014–2015 |