Inventor
Akihiro Maruyama
Inventor
Mishima, JP
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography56%
C08JWorking-up4%
C08LCompositions of macromolecular compounds4%
C11DDetergent compositions4%
G03CPhotosensitive materials for photographic purposes4%
H01QAntennas, i.e. radio aerials4%
H05KPrinted circuits4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis2%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials2%
PatentTitleYear
10,983,449Method for manufacturing electrophotographic photoconductor202110,656,542Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member202010,164,384Coaxial connector201810,114,301Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus20189,864,284'Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20189,817,326'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20179,811,008'Image forming method, process cartridge, and electrophotographic apparatus'20179,753,385'Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20179,726,992'Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20179,651,879'Electrophotographic photosensitive member, method of producing the electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20179,599,917'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20179,581,920'Coating film-removing method for cylindrical substrate and manufacturing method for electrophotographic photosensitive member'20179,564,687'Directive antenna apparatus mounted on a board'20179,507,283'Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20169,436,107'Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer'20169,280,071'Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer'20169,274,442'Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion'20169,235,144'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20169,091,912'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20159,034,545'Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20158,927,184'Method of producing electrophotographic photosensitive member'20158,795,936'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20148,546,050'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,524,431'Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus'20138,507,162'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,470,504'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,465,889'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,435,706'Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus'20138,274,435'Antenna apparatus'20127,775,474'Wire winding apparatus'20105,707,540'Fiber treatment chemical and fiber treatment composition'19985,482,645'Non-ozone depleting cleaning composition for degreasing and defluxing purposes'19965,137,931'Foamable phenolic resin composition and process for preparation thereof'19925,008,297'Method for producing phenol resin foams and method of making foamed laminates'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1992Based in Yokohama, JP· patent location history
1996–1998Based in Chiba, JP· patent location history
2012–2015Patents assigned to MARUYAMA AKIHIRO (8)· patent assignee history
2012–2017Based in Kanagawa, JP· patent location history
2013–2021Patents assigned to CANON KK (25)· patent assignee history
2013–2015Patents assigned to SEKIDO KUNIHIKO (7)· patent assignee history
2013–2014Patents assigned to NAGASAKA HIDEAKI (6)· patent assignee history
2013–2015Patents assigned to SEKIYA MICHIYO (6)· patent assignee history
2013–2021Based in Mishima, JP· patent location history
2013Based in Susono, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 25 | 2013–2021 |
| MARUYAMA AKIHIROself | 8 | 2012–2015 |
| SEKIDO KUNIHIKO | 7 | 2013–2015 |
| NAGASAKA HIDEAKI | 6 | 2013–2014 |
| SEKIYA MICHIYO | 6 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mishima, JP | 24 | 2013–2021 |
| Kanagawa, JP | 2 | 2012–2017 |
| Susono, JP | 2 | 2013 |
| Chiba, JP | 2 | 1996–1998 |
| Yokohama, JP | 2 | 1991–1992 |