Niihari-gun, Japan

Kazuhiro Ichimura

This inventor holds 28 USPTO granted patents and 13 EPO patents, primarily in Hydraulic Control Systems. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 1994-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Ichimura. Retrieved from https://idiyas.com/inventor/kazuhiro-ichimura

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


% Patents Active = 28.6

 

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 185(Granted Patents)


Location History:

  • Ibaraki, JP (1994 - 1997)
  • Niihari, JP (2005 - 2010)
  • Niihari-gun, JP (2004 - 2012)
  • Kasumigaura, JP (2010 - 2013)
  • Niihara-gun, JP (2013)
  • Tsuchiura, JP (2008 - 2016)

Company Filing History:


Years Active: 1994-2016

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Areas of Expertise:
Hydraulic Control Device
Safety Device
Work Vehicle Control
Prime Mover Control
Engine Control
Travel Control
Hydraulic Circuit
Failure Detection
Hydraulically Driven Vehicle
Pedal Lock Control
Traveling Control Apparatus
Hydraulic Cylinder Drive
28 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Kazuhiro Ichimura in Hydraulic Technology

Introduction: Kazuhiro Ichimura, based in Niihari-gun, Japan, is an esteemed inventor recognized for his significant contributions to hydraulic engineering. With an impressive portfolio of 28 patents, Ichimura has made notable advancements in hydraulic systems, particularly for industrial machinery. His inventive designs show a commitment to improving efficiency and reliability in the operation of hydraulic devices.

Latest Patents: Among his latest patents is a hydraulic control device designed for wheeled industrial vehicles. The invention aims to reduce the load on the engine during startup, enabling a quick and reliable feeding of pressure oil from a hydraulic pump to an accumulator. This device features a comprehensive hydraulic control system, including first and second accumulators, an on/off valve, detection devices to monitor operational states, and a valve control mechanism to optimize engine startup processes.

Another notable patent by Ichimura is a safety device for hydraulic working machines. This invention incorporates control valves to manage the flow of pressure oil, electric lever devices for operation signal output, and electromagnetic proportional valves to manage control pressures. A pressure calculating unit, alongside a control unit, ensures that safety measures are in place by determining any abnormalities in the system and prohibiting control valve operation in case of detected failures.

Career Highlights: Kazuhiro Ichimura is currently associated with Hitachi Construction Machinery Co., Ltd., where he continues to innovate in the field of hydraulic technologies. His work emphasizes practical applications that enhance the performance and safety features of industrial machinery.

Collaborations: Ichimura works alongside notable colleagues, including Hidetoshi Satake and Katsuaki Kodaka. Their collaboration fosters a creative environment where innovative ideas are exchanged, further contributing to the advancements in hydraulic technology and the broader field of engineering.

Conclusion: Kazuhiro Ichimura stands out as a prolific inventor whose work has made a significant impact on hydraulic systems for industrial vehicles. His patents not only highlight his innovative thinking but also reflect a dedication to improving technology for practical applications. As the industry continues to evolve, Ichimura’s contributions will likely play an essential role in shaping the future of hydraulic 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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