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For the Inventor, By the Inventor

Tokyo, Japan

Sumitomo Heavy Industries, Ltd.

Calculating rank
USPTO Granted Patents = 1,258

% Expired Patents = 22.1



Trademarks = 19

Forward Citations = 7,381

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968 inventors (with patents filed for the assignee):

goldMedal Mingyao Xu (67 out of 69 patents)

silverMedal Masayuki Ishizuka (44 out of 44 patents)

bronzeMedal Kiyoji Minegishi (37 out of 37 patents)

4.  Takaaki Morie (35 out of 35 patents)

5.  Chunnan Wu (33 out of 33 patents)

6.  Mitsuhiro Tamura (29 out of 33 patents)

7.  Norieda Ueno (29 out of 29 patents)

8.  Akira Yamamoto (26 out of 96 patents)

9.  Masayuki Saika (24 out of 24 patents)

10.  Yoshihisa Kiyota (20 out of 20 patents)

11.  Yusuke Sano (19 out of 19 patents)

12.  Qian Bao (18 out of 18 patents)

13.  Kakeru Takahashi (18 out of 25 patents)

14.  Daigo Hotta (17 out of 17 patents)

15.  Kazunori Hiranuma (16 out of 16 patents)


Core Competencies:
Injection Molding Machine
Control Device
Management System
Machine Learning
Shovel
Excavator
Inspection Apparatus
Construction Machine
Particle Beam Therapy
Robotic Welding
Cryocooler
Sensor Device

1,258 patents:

1. 12774963 - Inspection assistance system, inspection assistance method, and program (2026-10-27),
2. 12774201 - Transport device and transport method (2026-10-27),
3. 12770768 - Superconducting magnet device (2026-10-20),
4. 12768578 - Cryocooler diagnostic system, cryocooler, and cryocooler diagnostic method (2026-10-20),
5. 12768146 - Support system, information processing device, and storage medium (2026-10-20),
6. 12768139 - Working machine, and remote-control system for working machine (2026-10-20),
7. 12766580 - Forming device (2026-10-20),
8. 12762736 - Peripheral monitoring system for work machine, information processing device, and peripheral monitoring method (2026-10-13),
9. 12753953 - Cryogenic cooling device (2026-10-06),
10. 12753577 - Construction assist system for shovel (2026-10-06),
11. 12749939 - Armature and driving device (2026-09-29),
12. 12741407 - Injection molding machine and control device of injection molding machine (2026-09-22),
13. 12741406 - Coupling device and molten resin supply system (2026-09-22),
14. 12735870 - Work machine (2026-09-15),
15. 12735856 - Shovel (2026-09-15),
Company Overview
Sumitomo Heavy Industries, Ltd., headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced injection molding technology. The company focuses on a range of core technologies, including injection molding machines, control devices, and management systems, integrating machine learning to enhance operational efficiency. Additionally, Sumitomo is involved in the production of construction machinery such as shovels and excavators, as well as inspection apparatuses, contributing to various industrial sectors with innovative solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Sumitomo Heavy Industries, Ltd. USPTO Patent Assignee Logo
1,258 Patents

#97 in Tokyo

#184 in Japan

#803 in the World

Tokyo, JP
Tokyo, Japan

Sumitomo Heavy Industries, Ltd.

Forward Citations = 7,381

968 inventors:

goldMedal Mingyao Xu (67 out of 69 patents)

silverMedal Masayuki Ishizuka (44 out of 44 patents)

bronzeMedal Kiyoji Minegishi (37 out of 37 patents)

4.  Takaaki Morie (35 out of 35 patents)

5.  Chunnan Wu (33 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Heavy Industries, Ltd.. Retrieved from https://idiyas.com/company/sumitomo-heavy-industries

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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