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For the Inventor, By the Inventor

Kagawa, Japan

Tadano Ltd.


USPTO Granted Patents = 174

% Expired Patents = 1.1


Trademarks = 14

Forward Citations = 279

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147 inventors (with patents filed for the assignee):

goldMedal Iwao Ishikawa (21 out of 21 patents)

silverMedal Hiroyuki Hayashi (21 out of 21 patents)

bronzeMedal 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:

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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Tadano Ltd.
174 Patents

#1 in Kagawa

#776 in Japan

#4,763 in the World

Kagawa, JP
Kagawa, Japan

Tadano Ltd.

Forward Citations = 279

147 inventors:

goldMedal Iwao Ishikawa (21 out of 21 patents)

silverMedal Hiroyuki Hayashi (21 out of 21 patents)

bronzeMedal Shinsuke Kanda (19 out of 19 patents)

4.  Naoto Kawabuchi (16 out of 16 patents)

5.  Yoshimasa Minami (15 out of 15 patents)

Please report any incorrect information to [email protected]
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