Inventor
KEIJI SUGIYAMA
Inventor
JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus29%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles27%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them20%
H04NPictorial communication, e.g. television4%
PatentTitleYear
12,596,220Light guide plate, light guide plate unit, and display device202612,554,135Display device202612,546,999Light guide plate and display device202612,189,246Display, display system, image projection system, and movable object202512,140,755Projection device and head-up display202411,789,324Display, display system, image projection system, and movable object202311,768,410Display, display system, image projection system, and movable object202311,768,411Display, display system, image projection system, and movable object202311,768,371Projection device and head-up display202311,754,890Display, display system, image projection system, and movable object202311,740,517Display, display system, image projection system, and movable object202311,733,570Display, display system, image projection system, and movable object202311,726,374Display, display system, image projection system, and movable object202311,709,400Display, display system, image projection system, and movable object202311,709,401Display, display system, image projection system, and movable object202311,275,281Display, display system, image projection system, and movable object2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to PANASONIC IP MAN CO LTD (13)· patent assignee history
2022–2026Based in JP· patent location history
2024–2026Patents assigned to PANASONIC AUTOMOTIVE SYSTEMS CO LTD (5)· patent assignee history
2026Patents assigned to PANASONIC INTELLECTUAL PROPERTY MAN CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PANASONIC IP MAN CO LTD | 13 | 2022–2026 |
| PANASONIC AUTOMOTIVE SYSTEMS CO LTD | 5 | 2024–2026 |
| PANASONIC INTELLECTUAL PROPERTY MAN CO LTD | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 16 | 2022–2026 |