Tdk Corporation Patent Portfolio Statistics

Tdk Corporation

Profile Summary

This article summarizes the perfomance of the assignee in the recent years. The overall statistics for this portfolio help to analyze the areas where the assignee is performing well. The filing trend, perfomance across the tech centers and the perfomance of the recent applications has been mentioned below. All the stats are calculated based on the perfomance in USPTO.

How does the overall patent portfolio of Tdk Corporation look like?

Total Applications: 7,756
Granted Patents: 6,018
Grant Index 85.04 %
Abandoned/Rejected Applications: 1,059 (14.96%)
In-Process Applications: 652
Average Grant Time: 2.62 Years
Average Office Actions: 1.32

Which Technology Area Tdk Corporation is filing most patents in? (Last 10 years)

Art Unit Definition Total Applications
2627 Selective Visual Display Systems 837
2837 Electrical Circuits and Systems 301
Opap Parked GAU 301
2652 Videophones & Telephonic Communications 295
2831 Electrical Circuits and Systems 219

How many patents are Tdk Corporation filing every year?

Year Total Applications
2022 0*
2021 252*
2020 349
2019 365
2018 400

*The drop in the number of applications filed in last two years compared to previous years is because applications can take up to 18 months to get published

Recently filed patent applications of Tdk Corporation in USPTO?

Publication number: US20210304943A1
Application number: 17/209,761

Abstract:
The present invention provides a coil device which includes two coil elements in the same device and achieves an improved wire occupancy. The coil device includes a core including a winding core, and a winding wire part of which a first wire and a second wire are wound in a plurality of layers around the winding core, wherein the winding wire part includes a first part in which the first wire and the second wire of a same turn are wound adjacent to each other on a same layer, and a second part in which the first wire and the second wire of a same turn are wound in different layers without being adjacent to each other.

Publication date: 2021-09-30
Applicant: Tdk Corporation
Inventors: Fujiwara Kiyofumi


Publication number: US20210225580A1
Application number: 17/144,383

Abstract:
A coil device including a magnetic core having a winding core around which a wire is wound to form a coil, and four terminal electrodes attached to an outer end surface of a flange formed at an end of the winding core along a winding axis. A recess is formed on the outer end surface of the flange, and each of the terminal electrodes includes a first rising piece loosely entering the recess, and a mounting piece integrally formed with the first rising piece and adhered to the outer end surface of the flange.

Publication date: 2021-07-22
Applicant: Tdk Corporation
Inventors: Fujiwara Kiyofumi


Publication number: US20210018717A1
Application number: 16/930,855

Abstract:
An optical element drive device includes a movable section and a fixed section. The movable section includes a first magnetic field generator for generating a first magnetic field and is drivable in a motion direction. The fixed section includes a sensor unit. The sensor unit carries out a detection based on the first magnetic field and a bias magnetic field different from the first magnetic field.

Publication date: 2021-01-21
Applicant: Tdk Corporation
Inventors: Ichihashi Shusuke


How are Tdk Corporation’s applications performing in USPTO?

Application Number Title Status Art Unit Examiner
17/209,761 Coil Device Docketed New Case – Ready for Examination OPAP Central, Docket
17/144,383 Coil Device Docketed New Case – Ready for Examination OPAP Central, Docket
16/930,855 Optical Element Drive Device Docketed New Case – Ready for Examination OPAP Central, Docket
16/460,414 Lens Driving Apparatus Notice of Allowance Mailed — Application Received in Office of Publications 2872 Beatty, Collin X
15/755,613 Non-Contact Power Supply Device And Non-Contact Power Transmission Device Patented Case 2859 Grant, Robert J