For the Inventor, By the Inventor

Enter assignee name

Hiroshima, Japan

Delta Tooling Co., Ltd.

USPTO Granted Patents = 123

% Expired Patents = 35.0

EPO Patents = 60

Trademarks = 2

Forward Citations = 1,313

Loading Chart...

Loading Chart...

88 inventors (with patents filed for the assignee):

Etsunori Fujita (93 out of 112 patents)

Yumi Ogura (51 out of 59 patents)

Seiji Kawasaki (41 out of 44 patents)

4. Yasuhide Takata (24 out of 24 patents)

5. Yutaka Sakamoto (17 out of 21 patents)

6. Kazuyoshi Chizuka (16 out of 17 patents)

7. Katsuhiro Inoue (12 out of 14 patents)

8. Eiji Sugimoto (12 out of 14 patents)

9. Hiroki Oshimo (12 out of 13 patents)

10. Shinichiro Maeda (11 out of 13 patents)

11. Ryuji Kuwano (9 out of 12 patents)

12. Naoki Ochiai (9 out of 9 patents)

13. Shigeyuki Kojima (9 out of 11 patents)

14. Shigeki Wagata (8 out of 10 patents)

15. Yoshimi Enoki (8 out of 9 patents)

Core Competencies:

Vehicle Seat

Cushioning Mechanism

Biological State Estimation

Seat Structure

Torque Transfer Control

Reclining Adjuster

Lumbar Support

Power Seat Slide

Acoustic Device

Fatigue Detection

Impact Absorbing

Slide Adjuster

123 patents: Sort by Forward Citations

1. 11937902 - Blood pressure estimation device, blood pressure estimation method, computer program, and storage medium (2024-03-26),

2. 10968974 - Damper (2021-04-06),

3. 10766389 - Vehicle seat (2020-09-08),

4. 10737588 - Power seat slide device (2020-08-11),

5. 10654377 - Power seat sliding device and vehicle seat (2020-05-19),

6. 10398329 - Biological state analyzer and computer program (2019-09-03),

7. 10369912 - Torque transfer control mechanism and seat structure (2019-08-06),

8. 10369909 - Surface fastener, cushioning structure, and seat structure (2019-08-06),

9. 10315535 - Seat support mechanism, seat structure and suspension seat (2019-06-11),

10. 10278509 - Lumbar support structure and seat structure (2019-05-07),

11. 10271119 - Headrest having speaker (2019-04-23),

12. 10227229 - Method for manufacturing headrest, and headrest (2019-03-12),

13. 10179523 - Rotation movement control mechanism and seat (2019-01-15),

14. 10136850 - Biological state estimation device, biological state estimation system, and computer program (2018-11-27),

15. 10130183 - Seat cushioning member support mechanism and seat structure (2018-11-20),

Company Overview

Delta Tooling Co., Ltd. is a prominent player in the field of vehicle seat technology, headquartered in Hiroshima, Japan. The company specializes in the development and manufacturing of advanced seating solutions, focusing on enhancing comfort and functionality through innovative designs. Key areas of expertise include cushioning mechanisms, torque transfer control, and lumbar support systems, which are integral to modern automotive seating. Delta Tooling is committed to advancing the ergonomics and adaptability of vehicle seats, ensuring a superior user experience.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

123 Patents

#8 in Hiroshima, 729-3431

#999 in Japan

#6,513 in the World

Hiroshima, Japan

Delta Tooling Co., Ltd.

Forward Citations = 1,313

88 inventors:

Etsunori Fujita (93 out of 112 patents)

Yumi Ogura (51 out of 59 patents)

Seiji Kawasaki (41 out of 44 patents)

4. Yasuhide Takata (24 out of 24 patents)

5. Yutaka Sakamoto (17 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Delta Tooling Co., Ltd.. Retrieved from https://idiyas.com/company/delta-tooling-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

Loading…