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For the Inventor, By the Inventor

Osaka, Japan

Ryousuke Dohi

This inventor holds 95 USPTO granted patents and 9 published patent applications, primarily in Fluid Control Technology (CPC class G05D7-0635). Top assignees: Fujikin Inc., Tokyo Electron Limited, Tohoku University. Active years: 2000-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryousuke Dohi. Retrieved from https://idiyas.com/inventor/ryousuke-dohi

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

USPTO Granted Patents = 95 

% Patents Active = 76.8

Average Co-Inventor Count = 6.2

ph-index = 15

Forward Citations = 875(Granted Patents)

Forward Citations (Not Self Cited) = 784(Dec 10, 2025)


Inventors with similar research interests:

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Company Filing History:

goldMedal85 out of 450 
 
Fujikin Inc.
 patents
silverMedal16 out of 10,918 
 
Tokyo Electron Limited
 patents
bronzeMedal7 out of 1,052 
 
Tohoku University
 patents
4. 1 out of 1 
 
Fuiikin Incorporated
 patent
5. 1 out of 1 
 
Fujilin Incorporated
 patent
6. 1 out of 10 
 
Kabushiki Kaisha Fujikin
 patents
7. 1 out of 41 
 
Nidec Copal Electronics Corporation
 patents
8. 1 out of 27 
 
Tadahiro Ohmi
 patents
9. 1 out of 42 
 
Tokushima University
 patents
10. 23 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 2000-2023

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Areas of Expertise:
Pressure Sensor
Flow Rate Control
Piezoelectric Valve
Anomaly Detection
Fluid Control Apparatus
Calibration Method
Gas Supply
Fluid Control Valve
Flow Meter
Sealing Structure
Variable Orifice
95 patents (USPTO):Explore Patents
1. 11768123 - Diaphragm type pressure sensor arrangement having corrosion resistance and yield strength (2023-09-26),
2. 11421800 - Flow rate regulating valve and fluid control apparatus using the same (2022-08-23),
3. 11391608 - Self-diagnosis method for flow rate control device (2022-07-19),
4. 11346457 - Piezoelectric driven valve, pressure-type flow rate control device, and vaporization supply device (2022-05-31),
5. 11226257 - Anomaly detection device for fluid controller, anomaly detection system, anamoly detection method, and fluid controller (2022-01-18),
6. 11187346 - Valve device, its control device, control methods using the same, fluid control device and semiconductor manufacturing apparatus (2021-11-30),
7. 11149871 - Flow rate adjustment valve, and fluid control apparatus in which the flow rate adjustment valve is used (2021-10-19),
8. 11079774 - Flow rate control device (2021-08-03),
9. 11054052 - Piezoelectric-element-driven valve and flow rate control device (2021-07-06),
10. 10711902 - Flow dividing valve (2020-07-14),
11. D879248 - Fluid control valve unit (2020-03-24),
12. 10573801 - Piezoelectric linear actuator, piezoelectrically driven valve, and flow rate control device (2020-02-25),
13. 10534376 - Gas divided flow supplying apparatus for semiconductor manufacturing equipment (2020-01-14),
14. 10386863 - Pressure-type flow controller (2019-08-20),
15. 10386861 - Pressure type flow control system with flow monitoring, and method for detecting anomaly in fluid supply system and handling method at abnormal monitoring flow rate using the same (2019-08-20),

Title: Ryousuke Dohi: Pioneering Innovator from Osaka

Introduction: Ryousuke Dohi, a distinguished inventor hailing from Osaka, JP, is renowned for his unwavering dedication to innovation and his remarkable quest for excellence. With a portfolio boasting around 95 patents, Dohi's groundbreaking work continues to influence and motivate aspiring inventors worldwide to think innovatively and push the boundaries of what is conceivable.

Latest Patents: Among his recent patents is a cutting-edge "Diaphragm type pressure sensor arrangement having corrosion resistance and yield strength." This invention features a pressure sensor comprised of a cylindrical member made from a nickel-molybdenum-chromium alloy material or stainless steel material, combined with a sensor body crafted from a cobalt-nickel alloy material. Additionally, Dohi patented a "Flow rate regulating valve and fluid control apparatus using the same," designed to detect the closure of a flow path without the need for additional detection equipment.

Career Highlights: Dohi's illustrious career includes fruitful stints at prominent companies like Fujikin Inc. His innovative prowess and technical acumen have led to the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Dohi had the privilege of collaborating with esteemed professionals such as Kouji Nishino and Nobukazu Ikeda. Together, they have successfully brought forth inventive solutions that have left an indelible mark on the world of invention.

Conclusion: Ryousuke Dohi's commitment to innovation, coupled with his relentless pursuit of perfection, has firmly established him as a trailblazer in the realm of invention. His groundbreaking patents and collaborative efforts serve as a testament to his influence and will undoubtedly inspire future generations of inventors to dream big and strive for unparalleled success.

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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