Inventor
Masanori Seki
Inventor
Yokohama, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography21%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds15%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
B23KSoldering or unsoldering3%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C08LCompositions of macromolecular compounds3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
PatentTitleYear
10,577,481Polymer202010,358,567Compound, ink, ink cartridge and ink jet recording method201910,087,328Compound having azo skeleton, pigment dispersant, pigment composition, pigment dispersion, and toner20189,926,450'Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner'20189,834,683Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner20179,715,187'Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production method'20179,625,845'Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner'20179,618,867'Pigment dispersion and toner'20179,593,243'Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound'20179,556,290'Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production method'20179,470,995'Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound'20169,298,118'Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner'20169,229,345'Toner'20168,952,367'Thioxanthone compound and organic light emitting element having the same'20158,936,894'Magenta toner containing compound having AZO skeleton'20158,927,187'Cyan toner containing compound having azo skeleton'20158,628,863'Indenopyrene compound and organic light-emitting device using the compound'20147,651,931'Laser beam projection mask, and laser beam machining method and laser beam machine using same'20107,381,632'Semiconductor thin film crystallization device and semiconductor thin film crystallization method'20085,634,645'Sheet-like gasket with overlapped peripheral portions'19974,566,194'Press plate positioning apparatus for automatic drawing machine'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Based in Kamakura, JP· patent location history
1997Based in Ayabe, JP· patent location history
2008–2010Patents assigned to SHARP KK (2)· patent assignee history
2008–2010Based in Tenri, JP· patent location history
2014–2020Patents assigned to CANON KK (17)· patent assignee history
2014–2015Patents assigned to SEKI MASANORI (2)· patent assignee history
2014–2015Patents assigned to SEKIGUCHI TAKESHI (2)· patent assignee history
2014–2020Based in Yokohama, JP· patent location history
2015Patents assigned to KAMATANI JUN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 17 | 2014–2020 |
| SEKI MASANORIself | 2 | 2014–2015 |
| SEKIGUCHI TAKESHI | 2 | 2014–2015 |
| SHARP KK | 2 | 2008–2010 |
| KAMATANI JUN | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 17 | 2014–2020 |
| Tenri, JP | 2 | 2008–2010 |
| Ayabe, JP | 1 | 1997 |
| Kamakura, JP | 1 | 1986 |