Inventor

CHIHIRO TANAKA

Inventor

Overview

18→

Patents

2021–2026

Patent span

Physics

Primary field (CPC G)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing34%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein31%

G03GElectrography14%

G09GArrangements or circuits for control of indicating devices using static means to present variable information11%

B01DSeparation3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

D04HMaking textile fabrics, e.g. from fibres or filamentary material3%

PatentTitleYear

12,547,103Developing device2026 12,524,092Touch detection device and display device with the same2026 12,339,598Developing device having spaced rotatable members and a developer guide portion2025 12,197,147Developing device having enhanced carrier control2025 12,152,325Dry-laid nonwoven fabric production method2024 12,100,367Display device2024 12,079,409Sensor device2024 12,039,118Touch detection device and display device with the same2024 11,846,898Developing device2023 11,756,496Display device2023 11,669,187Sensor device2023 11,662,849Touch detection device and display device with the same2023 11,556,077Image formation apparatus2023 11,475,859Display device2022 11,442,568Sensor device2022 11,320,923Control circuit for a display apparatus2022 11,301,075Touch detection device and display device with the same2022 11,175,784Touch panel driving circuit2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to JAPAN DISPLAY INC (11)· patent assignee history

2021–2026Based in JP· patent location history

2023–2026Patents assigned to CANON KK (5)· patent assignee history

2024Patents assigned to DAICEL CORP (1)· patent assignee history

2026Patents assigned to MAGNOLIA WHITE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN DISPLAY INC	11	2021–2024
CANON KK	5	2023–2026
DAICEL CORP	1	2024
MAGNOLIA WHITE CORP	1	2026

Locations

Location	Patents	Span
JP	18	2021–2026