Takuya Hirata

This inventor holds 70 USPTO granted patents and 19 published patent applications, plus 25 CIPO patents and 51 EPO patents, primarily in Carbon Dioxide Recovery (CPC class B01D). Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Heavy Industries Engineering, Ltd., The Kansai Electric Power Co., Inc.. Active years: 2004-2026.

USPTO Granted Patents = 70 (Patent Applications = 19)

% Patents Active = 94.3

CIPO Patents = 25 (Patent Applications = 4)

EPO Patents = 51 (Patent Applications = 62)

Average Co-Inventor Count = 5.1

ph-index = 6

Forward Citations = 222(Granted Patents)

Forward Citations (Not Self Cited) = 200(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tsukuba, JP (2004 - 2007)
Hiroshima-ken, JP (2009)
Hiroshima, JP (2004 - 2015)
Tokyo, JP (2013 - 2023)
Aichi, JP (2022 - 2023)

Company Filing History:

38 out of 4,738

Mitsubishi Heavy Industries Limited

patents

26 out of 115

Mitsubishi Heavy Industries Engineering, Ltd.

patents

20 out of 195

The Kansai Electric Power Co., Inc.

Mitsubishi Hitachi Power Systems Environmental Solutions, Ltd.

patents

6. 2 out of 52

Primetals Technologies Japan, Ltd.

Kabushiki Kaisha Meiji Gomu Kasei

patents

10. 1 out of 329

Yamanouchi Pharmaceutical Company Ltd.

patents

11. 1 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 2004-2026

Loading Chart...

Areas of Expertise:

Carbon Dioxide Recovery

Air Pollution Control

Acid Gas Removal

Composite Amine Absorbent

Exhaust Gas Treatment

CO2 Separation Device

Acid Solution Preparation

Gas Absorbing Apparatus

Thermal Power Generation

Pollutant Removal Method

CO2 Recovery Method

70 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12528701 - Solid carbon production device and solid carbon production method (2026-01-20),

2. 12403422 - COrecovery unit and COrecovery method (2025-09-02),

3. 12139797 - Acid solution preparation device, acid solution supply apparatus, and pickling facility (2024-11-12),

4. 12138584 - Composite amine absorbent, removal unit, and removal method (2024-11-12),

5. 12109529 - Air pollution control unit and air pollution control method, and CO2 recovery unit and CO2 recovery method (2024-10-08),

6. 12091757 - Method for pickling steel plate and pickling apparatus (2024-09-17),

7. 11772041 - Composite amine absorbent, and device and method for removing CO2 or H2S, or both of CO2 and H2S (2023-10-03),

8. 11633692 - Absorbent liquid for CO2 and/or H2S, and apparatus and method using same (2023-04-25),

9. 11433350 - Carbon dioxide recovery system, thermal power generation facility, and carbon dioxide recovery method (2022-09-06),

10. 11383337 - Workpiece support system and workpiece support method (2022-07-12),

11. 11311833 - Method and system for recovering acidic gas (2022-04-26),

12. 11273407 - Acid gas removal device and acid gas removal method (2022-03-15),

13. 11236907 - Exhaust gas treatment device and exhaust gas treatment method (2022-02-01),

14. 11209165 - Exhaust gas treatment device and exhaust gas treatment method (2021-12-28),

15. 11148095 - Reclaiming apparatus and method for reclaiming (2021-10-19),

Title: Takuya Hirata: Innovator in Chemical Engineering

Introduction

Takuya Hirata is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of chemical engineering. With an impressive portfolio of 68 patents, he has made numerous advancements in various technologies, particularly in acid solution preparation and gas absorption.

Latest Patents

Among Takuya Hirata's latest inventions are critical devices that enhance industrial processes. One notable patent is the "Acid Solution Preparation Device," designed to prepare an acid solution used for the pickling of steel plates. This device consists of a sealed tank for storing the acid solution, a gas supply system for introducing oxygen-containing gas from outside the tank, and a purge system for releasing gases to the environment.

Another innovation is the "Composite Amine Absorbent, Removal Unit, and Removal Method." This invention focuses on an absorbent that captures carbon monoxide and hydrogen sulfide in gases, involving a combination of chain monoamine, diamine, cyclic compounds, and water. These patents exhibit Hirata's commitment to developing solutions that address industrial and environmental challenges.

Career Highlights

Takuya Hirata has built his career at renowned companies such as Mitsubishi Heavy Industries Limited and Mitsubishi Heavy Industries Engineering, Ltd. Through his work, he has significantly impacted the advancement of chemical technologies, solidifying his reputation as an industry leader.

Collaborations

Takuya has collaborated with remarkable individuals in his field, including Hiroshi Tanaka and Tatsuya Tsujiuchi. These partnerships have fostered innovation and created opportunities for pioneering research and development.

Conclusion

In summary, Takuya Hirata stands out as a dedicated and innovative inventor, with a strong focus on creating impactful solutions in chemical engineering. His extensive patent portfolio and collaborative efforts signal his ongoing commitment to advancing technology for industrial applications.