Inventor
Kenji Ooshima
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments26%
C09DCoating compositions, e.g. paints, varnishes or lacquers26%
B41MPrinting, duplicating, marking, or copying processes22%
B41JTypewriters11%
Y10TTechnical subjects covered by former us classification7%
B42DBooks4%
C07DHeterocyclic compounds4%
PatentTitleYear
10,323,150Azo compound, ink composition, ink jet recording method, and colored article20198,932,393'Azo compound, ink composition, recording method and colored material'20158,864,891'Ink composition, inkjet recording method and colored body'20148,741,046'Ink composition, inkjet recording method and colored body'20148,741,045'Ink composition, inkjet recording method, and colored material'20148,657,433'Porphyrazine coloring matter, ink composition, recording method, and colored object'20148,535,432'Porphyrazine coloring matter, ink composition containing the same and colored product'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to NIPPON KAYAKU KK (7)· patent assignee history
2013–2015Patents assigned to KAWAGUCHI AKIRA (6)· patent assignee history
2013–2015Patents assigned to OOSHIMA KENJI (6)· patent assignee history
2013–2019Based in Tokyo, JP· patent location history
2014–2015Patents assigned to YOSHIMOTO TAKASHI (4)· patent assignee history
2014Patents assigned to MATSUI TAKAHIKO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON KAYAKU KK | 7 | 2013–2019 |
| KAWAGUCHI AKIRA | 6 | 2013–2015 |
| OOSHIMA KENJIself | 6 | 2013–2015 |
| YOSHIMOTO TAKASHI | 4 | 2014–2015 |
| MATSUI TAKAHIKO | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 2013–2019 |