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Ud Trucks Corporation

USPTO Granted Patents = 55

% Expired Patents = 58.2

EPO Patents = 33

Forward Citations = 216

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72 inventors (with patents filed for the assignee):

Shigemi Kobayashi (7 out of 10 patents)

Nobuhiko Masaki (5 out of 14 patents)

Kiminobu Hirata (5 out of 20 patents)

4. Kazuhiro Hirakawa (4 out of 4 patents)

5. Yoshihiko Nozaki (4 out of 4 patents)

6. Masakazu Yano (4 out of 7 patents)

7. Yoshiaki Yamada (4 out of 14 patents)

8. Takayuki Iuchi (4 out of 4 patents)

9. Hideki Matsunaga (3 out of 102 patents)

10. Kunihiro Kaneko (3 out of 11 patents)

11. Kunihiko Hikiri (3 out of 11 patents)

12. Takayuki Tsuchiya (3 out of 10 patents)

13. Makoto Taguchi (3 out of 3 patents)

14. Yoshitaka Nishiyama (3 out of 3 patents)

15. Hiroyuki Kurita (2 out of 11 patents)

Core Competencies:

Exhaust Gas Purification

Vehicle Control

Energy Storage

Mechanical Transmission

Durability Improvement

Fuel Efficiency

Crash Test Apparatus

Hybrid Vehicle

Driving Evaluation

Safety Systems

Cushion Structure

Air Compressor

55 patents: Sort by Forward Citations

1. 9732650 - Exhaust gas purification apparatus, and method for thawing liquid reducing agent or precursor thereof (2017-08-15),

2. 9663093 - Clutch disengagement control mechanism for mechanical automatic transmission (2017-05-30),

3. 9657362 - Method for improving durability of exhaust pipe (2017-05-23),

4. 9638184 - Air compressor having mechanical govenor with engine speed relief (2017-05-02),

5. 9573502 - Seat cushion device (2017-02-21),

6. 9536672 - Storage module (2017-01-03),

7. 9496721 - Power storage apparatus (2016-11-15),

8. 9464335 - Method for improving fatigue strength of cast iron material (2016-10-11),

9. 9460862 - Electric storage cell, electric storage apparatus, and vehicle having electric storage apparatus (2016-10-04),

10. 9393948 - Vehicle start-up control mechanism (2016-07-19),

11. 9347483 - Fall-off preventing structure of propeller shaft (2016-05-24),

12. 9341311 - Compressed air supply apparatus (2016-05-17),

13. 9340846 - Method for improving fatigue strength of cast iron material (2016-05-17),

14. 9208957 - Electric storage cell and electric storage apparatus (2015-12-08),

15. 9188038 - Pumping device (2015-11-17),

Company Overview

Ud Trucks Corporation, headquartered in Saitama, Japan, specializes in the development and manufacturing of commercial vehicles with a strong focus on exhaust gas purification technologies. The company is dedicated to enhancing vehicle performance through innovations in vehicle control systems, energy storage solutions, and mechanical transmission designs. Ud Trucks also emphasizes durability improvement and fuel efficiency, contributing to the advancement of hybrid vehicle technologies and ensuring compliance with stringent environmental standards.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

55 Patents

#30 in Saitama 343-0827

#1,619 in Japan

#12,922 in the World

Ud Trucks Corporation

Forward Citations = 216

72 inventors:

Shigemi Kobayashi (7 out of 10 patents)

Nobuhiko Masaki (5 out of 14 patents)

Kiminobu Hirata (5 out of 20 patents)

4. Kazuhiro Hirakawa (4 out of 4 patents)

5. Yoshihiko Nozaki (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ud Trucks Corporation. Retrieved from https://idiyas.com/company/ud-trucks

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]

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