Ibaraki, Japan

Nobumitsu Sakuma

This inventor holds 3 USPTO granted patents. Top assignees: Hitachi Construction Machinery Co., Ltd., Other. Active years: 1990-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobumitsu Sakuma. Retrieved from https://idiyas.com/inventor/nobumitsu-sakuma

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 78(Granted Patents)


Location History:

  • Ibaraki, JP (1990 - 1991)
  • Chiyoda-machi, JP (2000)

Company Filing History:

goldMedal3 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents
silverMedal2 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2000

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3 patents (USPTO):Explore Patents

Title: Nobumitsu Sakuma: A Pioneer in Excavation Technology

Introduction

Nobumitsu Sakuma, an accomplished inventor based in Ibaraki, Japan, has made significant contributions to the field of excavation technology. With three patents to his name, Sakuma has demonstrated his innovative spirit and technical expertise, making a lasting impact on various industries.

Latest Patents

Sakuma’s latest inventions showcase his commitment to advancing technology. Among his notable patents are an excavation machine and an apparatus for measuring intracranial pressure. These inventions highlight his versatility and his ability to address complex challenges in both construction and medical fields.

Career Highlights

Throughout his career, Sakuma has been associated with prominent organizations, including Hitachi Construction Machinery Co., Ltd. This experience has enabled him to harness cutting-edge technology and apply his inventions in practical scenarios, further establishing his reputation as a skilled inventor.

Collaborations

Sakuma has had the opportunity to work alongside talented professionals, including Naoki Kageyama and Hiroji Kuchiwaki. These collaborations have fostered a creative environment that has undoubtedly fueled innovative ideas and the development of groundbreaking inventions.

Conclusion

Nobumitsu Sakuma stands out as a remarkable inventor whose work continues to inspire others in the fields of excavation and beyond. His dedication to innovation and collaboration reflects the essence of what it means to be a true pioneer in technology.

Profile summary based on public USPTO records.
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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