Gyoda, Japan

Hiroki Igarashi

This inventor holds 34 USPTO granted patents and 1 published patent application and 22 EPO patents, primarily in Flow Control Devices. Top assignee: Surpass Industry Co., Ltd.. Active years: 2004-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Igarashi. Retrieved from https://idiyas.com/inventor/hiroki-igarashi

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

Calculating rank
USPTO Granted Patents = 34 

% Patents Active = 91.2

 

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 218(Granted Patents)


Location History:

  • Honjo, JP (2004 - 2013)
  • Gyoda, JP (2005 - 2019)
  • Saitama, JP (2005 - 2022)

Company Filing History:


Years Active: 2004-2022

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Areas of Expertise:
Flow Rate Regulating Device
Thermal Flow Meter
Differential Pressure Flowmeter
Pneumatic Control Valve
Fluidic Device Unit
Pressure Sensor
Flow Rate Controller
Fluid Regulator
Flow Control Apparatus
Valve
Flow Regulation Valve
Fluid Apparatus Unit
34 patents (USPTO):Explore Patents

Title: Hiroki Igarashi: Innovator in Flow Rate Regulation Technology

Introduction

Hiroki Igarashi, an accomplished inventor based in Gyoda, Japan, has made significant contributions to the field of flow rate regulation technology. With an impressive portfolio of 34 patents, Igarashi continues to demonstrate innovation and expertise in his area of work, particularly through the development of advanced devices and system control methods.

Latest Patents

Among Igarashi's most recent inventions are his patents related to a flow rate regulating device and its control method. This innovative device includes a valve body section featuring a flat valve body surface and a matching valve seat section. A regulation mechanism enables movement along an axis, which is controlled by a unit managing a stepping motor that rotates a drive shaft. This meticulous design allows the valve body section to maintain a non-contact state with the valve seat surface, effectively responding to precise excitation signals.

Another noteworthy patent involves a unique valve that addresses issues related to liquid retention and impurity accumulation in bellows parts. This valve design consists of a diaphragm part coupled to a valve element, featuring a cylindrical wetted section that ensures fluid integrity. The innovation lies in the connection between the diaphragm's bellows part and the wetted section, optimizing the flow and minimizing potential blockages.

Career Highlights

Hiroki Igarashi's career is marked by a dedication to innovation at Surpass Industry Co., Ltd., where he has honed his skills and contributed to various groundbreaking projects. His array of patents reflects an ongoing commitment to enhancing the functionality and efficiency of flow regulation systems.

Collaborations

Igarashi has worked alongside talented colleagues such as Yoshihiro Ushigusa and Masahiro Hasunuma at Surpass Industry Co., Ltd. Their collective expertise in engineering and design has bolstered the development of cutting-edge solutions in the industry, highlighting the strength that collaboration brings to technological advancements.

Conclusion

Hiroki Igarashi exemplifies the spirit of innovation in flow rate regulation technology through his extensive patent portfolio and collaborative efforts. As he continues to push the boundaries of what is possible in this field, his work not only contributes to the growth of Surpass Industry Co., Ltd. but also sets a benchmark for future inventors in the sector.

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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