Inventor
HIROKI AKIYAMA
Inventor
JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography20%
G02BOptical elements, systems or apparatus16%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
C09DCoating compositions, e.g. paints, varnishes or lacquers12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08LCompositions of macromolecular compounds8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
B41CProcesses for the manufacture or reproduction of printing surfaces4%
B41FPrinting machines or presses4%
B41JTypewriters4%
PatentTitleYear
12,578,533Fusion splicing device and core position specification method202612,546,942Fusion splicing device202612,350,946Printing apparatus202512,298,709Toner and method for producing toner202512,276,841Optical fiber fusion splicing method and fusion splicing device202512,259,655Manufacturing method of flexographic printing plate and printing method202512,085,757Optical fiber fusion splicing device, and fusion splicing method for optical fiber202412,078,960Toner and method for producing toner202412,019,374Photosensitive resin structure for flexographic printing plate and method for producing flexographic printing plate202411,809,132Toner202311,796,930Magnetic toner2023D0983851Optical fiber fusion splicer202311,415,902Toner2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to CANON KK (6)· patent assignee history
2022–2026Based in JP· patent location history
2023–2026Patents assigned to SUMITOMO ELECTRIC OPTIFRONTIER CO LTD (5)· patent assignee history
2024–2025Patents assigned to ASAHI CHEMICAL IND (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 6 | 2022–2025 |
| SUMITOMO ELECTRIC OPTIFRONTIER CO LTD | 5 | 2023–2026 |
| ASAHI CHEMICAL IND | 2 | 2024–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 13 | 2022–2026 |