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Tadano Ltd.

USPTO Granted Patents = 174

% Expired Patents = 1.1

EPO Patents = 152

Trademarks = 14

Forward Citations = 279

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147 inventors (with patents filed for the assignee):

Iwao Ishikawa (21 out of 21 patents)

Hiroyuki Hayashi (21 out of 21 patents)

Shinsuke Kanda (19 out of 19 patents)

4. Naoto Kawabuchi (16 out of 16 patents)

5. Yoshimasa Minami (15 out of 15 patents)

6. Takayuki Kosaka (13 out of 13 patents)

7. Shigenori Tanaka (13 out of 16 patents)

8. Satoshi Kubota (13 out of 18 patents)

9. Masaya Nakahara (13 out of 13 patents)

10. Kazuma Mizuki (12 out of 12 patents)

11. Yasuhiro Fukumori (9 out of 9 patents)

12. Kenji Nakamura (8 out of 103 patents)

13. Yuhei Yamamoto (8 out of 15 patents)

14. Naofumi Yoshida (8 out of 8 patents)

15. Hiroshi Yamauchi (8 out of 8 patents)

Core Competencies:

Crane

Control System

Remote Operation Terminal

Guide Display Device

Work Vehicle

Boom Device

Hybrid Welding Device

Dynamic Lift-Off Control

Ground Surface Estimation

Path Generation System

Crane Control Method

Performance Information Server

174 patents: Sort by Forward Citations

1. 12673853 - Work machine and abnormality detection for pin position detection device (2026-07-07),

2. 12637332 - Work machine (2026-05-26),

3. 12623890 - Loading type truck crane (2026-05-12),

4. 12623888 - Work machine (2026-05-12),

5. 12623886 - Dynamic lift-off control device, and crane (2026-05-12),

6. 12600603 - Crane, crane characteristic change determination device, and crane characteristic change determination system (2026-04-14),

7. 12515926 - Control device, crane, and method for controlling crane (2026-01-06),

8. 12492104 - Estimation apparatus and crane (2025-12-09),

9. 12492103 - Remote operation terminal and mobile crane comprising remote operation terminal (2025-12-09),

10. 12466702 - Crane and transportation destination presentation method (2025-11-11),

11. 12422790 - Control system, and crane (2025-09-23),

12. 12384664 - Controller, boom device, and truck crane (2025-08-12),

13. 12334760 - Power supply circuit for work machine (2025-06-17),

14. 12330921 - Work machine (2025-06-17),

15. 12330920 - Crane and crane control method (2025-06-17),

Company Overview

Tadano Ltd. is a prominent manufacturer based in Kagawa, Japan, specializing in crane technology and related equipment. The company focuses on developing advanced solutions for lifting and transporting heavy loads, integrating innovative control systems and remote operation terminals to enhance operational efficiency and safety. Tadano's expertise extends to various core technologies, including guide display devices, boom devices, and hybrid welding systems, positioning it as a leader in the work vehicle sector with a commitment to dynamic lift-off control and user-friendly designs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

174 Patents

#1 in Kagawa

#780 in Japan

#4,780 in the World

Tadano Ltd.

Forward Citations = 279

147 inventors:

Iwao Ishikawa (21 out of 21 patents)

Hiroyuki Hayashi (21 out of 21 patents)

Shinsuke Kanda (19 out of 19 patents)

4. Naoto Kawabuchi (16 out of 16 patents)

5. Yoshimasa Minami (15 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tadano Ltd.. Retrieved from https://idiyas.com/company/tadano

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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