Inventor
KOJI HIRATA
Inventor
JP
Overview
Patents· 48 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus24%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles22%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
H04NPictorial communication, e.g. television5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%
F21SNon-portable lighting devices3%
F21VFunctional features or details of lighting devices or systems thereof2%
PatentTitleYear
12,572,029Air floating video display apparatus202612,546,925Information display device202612,493,183In-vehicle information display system and information display apparatus202512,469,603Diagnosis support apparatus, program, and diagnosis support method202512,464,109Air floating video display apparatus202512,461,384Air floating video display apparatus202512,406,639Information display apparatus202512,352,959Projection optical system and head-up display device and vehicle including projection optical system and head-up display device202512,332,435Vehicle202512,325,302Light source apparatus, and information display system and head-up display apparatus using the same202512,286,012Information display system and vehicle information display system using the same202512,287,480Information display apparatus202512,270,993Vehicle information display apparatus and information display system for vehicle202512,216,278Light source device and electronic device202512,204,101Information display apparatus202512,204,104Vehicle202512,118,136Air floating video display apparatus202412,112,724Information display apparatus202412,055,714Projection optical system and head-up display device202412,055,716Head-up display apparatus and image display apparatus thereof202412,050,317Light source device and electronic device202412,038,644Light source apparatus and information display system using the same202412,038,580In-vehicle information display system and information display apparatus202411,933,980Information display apparatus202411,921,287Information display apparatus202411,878,586Information display apparatus and spatial sensing apparatus202411,880,125Information display system having acute-angled diffusion characteristics and image light control film used for the same202411,846,776Head-up display apparatus202311,828,938Information display apparatus202311,763,781Information display apparatus202311,738,646Information display apparatus202311,709,359Head-up display apparatus and image display apparatus thereof202311,686,937Vehicle202311,675,189Information display apparatus202311,586,040In-vehicle information display system and information display apparatus202311,571,952Head up display device and image display apparatus therefor202311,561,394Information display apparatus and reflecting mirror used therein202311,548,068Method of producing spherical silver powder202311,487,115Head-up display apparatus202211,447,011Information display apparatus202211,448,877Projection optical system and head-up display202211,424,049Spherical silver powder and method for producing same202211,422,367Light source apparatus and head up display apparatus202211,398,208Information display apparatus202211,327,303Information display apparatus202211,221,480Information display apparatus202211,203,283Headlight apparatus202111,148,584Vehicular lighting apparatus2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to MAXELL LTD (45)· patent assignee history
2021–2026Based in JP· patent location history
2022–2025Patents assigned to HITACHI IND & CONTROL SOLUTIONS LTD (11)· patent assignee history
2022–2023Patents assigned to DOWA ELECTRONICS MATERIALS CO LTD (2)· patent assignee history
2025Patents assigned to CANON MEDICAL SYSTEMS CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAXELL LTD | 45 | 2021–2026 |
| HITACHI IND & CONTROL SOLUTIONS LTD | 11 | 2022–2025 |
| DOWA ELECTRONICS MATERIALS CO LTD | 2 | 2022–2023 |
| CANON MEDICAL SYSTEMS CORP | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 48 | 2021–2026 |