Inventor
TAKEHISA ISHIDA
Inventor
JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television25%
B41MPrinting, duplicating, marking, or copying processes17%
G06FElectric digital data processing17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
B41JTypewriters8%
B42DBooks8%
G09FDisplaying8%
G11BInformation storage based on relative movement between record carrier and transducer8%
PatentTitleYear
12,466,197Data protector, data protection seal, and drawing device202512,112,080User authentication for image forming devices202411,993,094Reversible recording medium and exterior member202411,861,246System and methods for determining whether an execution instruction is associated with a target user202411,695,885Image forming device2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2024Patents assigned to TOSHIBA TEC KK (3)· patent assignee history
2023–2025Based in JP· patent location history
2024Patents assigned to SONY CORP (1)· patent assignee history
2025Patents assigned to SONY GROUP CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA TEC KK | 3 | 2023–2024 |
| SONY CORP | 1 | 2024 |
| SONY GROUP CORP | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2023–2025 |