Lexington, KY, United States of America

Sumitomo Construction Machinery


USPTO Granted Patents = 28


Forward Citations = 68

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39 inventors (with patents filed for the assignee):

goldMedal Takashi Nishi (6 out of 21 patents)

silverMedal Takeya Izumikawa (4 out of 39 patents)

bronzeMedal Ryuji Shiratani (2 out of 25 patents)

4.  Kiminori Sano (2 out of 21 patents)

5.  Ryota Kurosawa (2 out of 9 patents)

6.  Donald E Moore (2 out of 3 patents)

7.  Tomoki Kurokawa (1 out of 7 patents)

8.  Youji Misaki (1 out of 11 patents)

9.  Hajime Aragaki (1 out of 8 patents)

10.  Sou Sakuta (1 out of 6 patents)

11.  Yoshimitsu Yuzawa (1 out of 5 patents)

12.  Jitsutaka Takeo (1 out of 16 patents)

13.  Takashi Umeda (1 out of 4 patents)

14.  Daniel L Harrington (1 out of 5 patents)

15.  Steven F Wilms (1 out of 2 patents)


Core Competencies:
Excavator
Shovel
Load Calculation
Control Device
Management System
Construction Machine
Mobile Terminal
Information Sharing
Ground-Engaging Device
Boom Extension
Removable Outrigger
Heavy Duty Crane

28 patents:

Company Overview
Sumitomo Construction Machinery is a prominent player in the construction equipment sector, specializing in the development and manufacturing of high-quality machinery for various construction applications. The company focuses on innovative technologies that enhance the efficiency and performance of its equipment, catering to the needs of the global construction market. With a commitment to sustainability and advanced engineering, Sumitomo Construction Machinery continues to contribute to the evolution of construction practices, particularly in the United States and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

28 Patents

#7 in Lexington, KY

#43 in Kentucky

#12,009 in US

#23,262 in the World

Lexington, KY (US)
Lexington, KY, United States of America
Forward Citations = 68

39 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Construction Machinery. Retrieved from https://idiyas.com/company/sumitomo-construction-machinery

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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