Inventor
YOSHITAKA MATSUBARA
Inventor
JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics18%
B29LIndexing scheme associated with subclass b29c, relating to particular articles18%
B29DProducing particular articles from plastics or from substances in a plastic state14%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
B26FPerforating5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
B41JTypewriters5%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles5%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%
PatentTitleYear
12,578,604Light control sheet202612,319,235Luggage room board202512,210,238Light control sheet and light control device202512,202,263Liquid ejecting apparatus202511,981,291Luggage room board202411,912,464Container, folding container202411,241,807Molded article and manufacturing method for same2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to KYORAKU CO LTD (4)· patent assignee history
2022–2026Based in JP· patent location history
2025Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2025Patents assigned to TOPPAN INC (1)· patent assignee history
2026Patents assigned to TOPPAN HOLDINGS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KYORAKU CO LTD | 4 | 2022–2025 |
| SEIKO EPSON CORP | 1 | 2025 |
| TOPPAN HOLDINGS INC | 1 | 2026 |
| TOPPAN INC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 7 | 2022–2026 |