Kaoru Hirata

This inventor holds 65 USPTO granted patents and 5 published patent applications, primarily in Flow Rate Control (CPC class G01F). Top assignees: Fujikin Inc., Tohoku University, Tokyo Electron Limited. Active years: 2005-2026.

USPTO Granted Patents = 65 (Patent Applications = 5)

% Patents Active = 87.7

Average Co-Inventor Count = 5.8

ph-index = 10

Forward Citations = 274(Granted Patents)

Forward Citations (Not Self Cited) = 237(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Tokyo Electron Limited

Nidec Copal Electronics Corporation

patents

8. 1 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 2005-2026

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Areas of Expertise:

Flow Rate Control Device

Pressure Sensor

Vaporization Supply Device

Abnormality Detection

Diaphragm Valve

Liquid Level Meter

Piezoelectric Valve

Fluid Control

Concentration Detection

Flow Monitoring

Self-Diagnosis Method

Pressure-Type Controller

65 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12523558 - Pressure sensor that mitigates zero drop phenomena (2026-01-13),

2. 12398819 - Controller and vaporization supply device (2025-08-26),

3. 12334355 - Pressure control device (2025-06-17),

4. 12306647 - Flow rate control device and flow rate control method wherein an internal command signal is generated by a combination of first order lag process and ramp process (2025-05-20),

5. 12174647 - Flow rate control device (2024-12-24),

6. 12007797 - Flow rate control device and flow rate control method (2024-06-11),

7. 11988543 - Abnormality detection method for flow rate control device, and flow rate monitoring method (2024-05-21),

8. 11976748 - Diaphragm valve (2024-05-07),

9. 11914407 - Flow rate control device (2024-02-27),

10. 11733721 - Flow rate control device and flow rate control method (2023-08-22),

11. 11416011 - Pressure-type flow control device and flow control method (2022-08-16),

12. 11402250 - Liquid level meter, vaporizer equipped with the same, and liquid level detection method (2022-08-02),

13. 11391608 - Self-diagnosis method for flow rate control device (2022-07-19),

14. 11346457 - Piezoelectric driven valve, pressure-type flow rate control device, and vaporization supply device (2022-05-31),

15. 11313756 - Flow rate control device and abnormality detection method using flow rate control device (2022-04-26),

Title: The Innovative Mind of Kaoru Hirata

Introduction: Kaoru Hirata is a pioneering inventor hailing from Osaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kaoru Hirata holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of what is possible in the modern world.

Career Highlights: With a career spanning over two decades, Kaoru Hirata has worked with some of the leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Kaoru Hirata has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing that has been instrumental in his success as an inventor.

Conclusion: Kaoru Hirata's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his reputation as a visionary inventor in the global tech community. His work continues to inspire future generations of inventors to think outside the box and strive for excellence in all their endeavors.