Inventor
Yukari Ishibashi
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds14%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties14%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
G03GElectrography14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C08LCompositions of macromolecular compounds9%
B41JTypewriters5%
B82YSpecific uses or applications of nanostructures5%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
PatentTitleYear
9,102,840'Polyurethane resin addition pigment, process for producing polyurethane resin addition pigment, pigment dispersion composition, and jet printing ink composition'20159,045,583'Polyurethane resin adhesion pigment, pigment dispersion composition and inkjet ink composition'20159,018,317'Process for producing pigment dispersion composition'20155,962,176'Toner for developing electrostatic image, image forming method and process-cartridge'19995,952,138'Magnetic developer and recognition method of magnetic-ink character'19995,164,780'Image forming apparatus having developer carrying member with surface layer of defined load curve'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1999Patents assigned to CANON KK (3)· patent assignee history
1992–1999Based in Yokohama, JP· patent location history
1999Based in Inagi, JP· patent location history
2015Patents assigned to ISHIBASHI YUKARI (3)· patent assignee history
2015Patents assigned to TAKENAKA ASAMI (3)· patent assignee history
2015Patents assigned to TANAKA SHIGEHIRO (3)· patent assignee history
2015Patents assigned to TOKAI CARBON KK (3)· patent assignee history
2015Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 3 | 1992–1999 |
| ISHIBASHI YUKARIself | 3 | 2015 |
| TAKENAKA ASAMI | 3 | 2015 |
| TANAKA SHIGEHIRO | 3 | 2015 |
| TOKAI CARBON KK | 3 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2015 |
| Yokohama, JP | 2 | 1992–1999 |
| Inagi, JP | 1 | 1999 |