Tokyo, Japan

Hajime Ogawa

This inventor holds 7 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Meisei Electric Co., Ltd., Mitsubishi Electric Engineering Company, Limited. Active years: 1993-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Ogawa. Retrieved from https://idiyas.com/inventor/hajime-ogawa-poxbucq1

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Aichi, JP (1996)
  • Nagoya, JP (1998)
  • Tokyo, JP (1993 - 2005)

Company Filing History:


Years Active: 1993-2005

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7 patents (USPTO):Explore Patents

Title: Hajime Ogawa: Innovator in Electric Discharge Machining

Introduction

Hajime Ogawa is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of electric discharge machining. With a total of seven patents to his name, Ogawa has made remarkable advancements that enhance the efficiency and effectiveness of machining processes.

Latest Patents

One of his latest patents is an electric discharge machine with reactive force compensated by jump locus adjustment. This innovative machine performs a jumping motion to temporarily increase the distance between the electrode and the workpiece, allowing for improved machining. The machine includes a detector for detecting machining reaction force, a setting unit for establishing a specified value of this force, a comparator for comparing detected values, and a changing unit that adjusts the jumping motion locus to reduce excessive machining reaction forces. Another notable patent is a method and apparatus for electrodischarge machining, which features a gap dimension detection device, a gap average voltage detection device, and a gap dimension correction device. This apparatus ensures optimal machining conditions by correcting the gap dimensions based on real-time measurements.

Career Highlights

Hajime Ogawa has worked with notable companies such as Mitsubishi Electric Corporation and the National Space Development Agency of Japan. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in technology and engineering.

Collaborations

Ogawa has collaborated with esteemed colleagues, including Atsushi Taneda and Yoshihide Kinbara. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of electric discharge machining.

Conclusion

Hajime Ogawa's contributions to electric discharge machining through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in machining technology, showcasing the importance of innovation in engineering.

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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