Masashi Kiyosawa

This inventor holds 33 USPTO granted patents and 6 published patent applications, plus 12 CIPO patents and 12 EPO patents, primarily in Exhaust Gas Treatment. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Hitachi Power Systems, Ltd., Akita University. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Kiyosawa. Retrieved from https://idiyas.com/inventor/masashi-kiyosawa

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

USPTO Granted Patents = 33 (Patent Applications = 6)

% Patents Active = 75.8

CIPO Patents = 12

EPO Patents = 12 (Patent Applications = 19)

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 69(Granted Patents)

Location History:

Nagasaki-ken, JP (2007 - 2014)
Nagasaki, JP (2011 - 2014)
Minato-ku, JP (2016)
Tokyo, JP (2012 - 2019)
Kanagawa, JP (2017 - 2019)

Company Filing History:

23 out of 4,746

Mitsubishi Heavy Industries Limited

patents

9 out of 651

Mitsubishi Hitachi Power Systems, Ltd.

Itsubishi Heavy Industries, Ltd.

patent

where one patent can have more than one assignee

Years Active: 2007-2026

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Areas of Expertise:

Catalyst

Exhaust Gas Treatment

Nitrogen Oxides

Air Pollution Control

Mercury Oxidation

Heat-Exchange Reactor

Chemical Heat-Storage

Metal Recovery

Duct Wall Structure

Regeneration Method

Boiler System

Magnesium Production

33 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12685989 - Temperature uniformized heat-exchange-type catalyst reactor (2026-07-21),

2. 12577120 - System for producing magnesium chloride and system for producing magnesium (2026-03-17),

3. 12364933 - System for producing magnesium hydroxide (2025-07-22),

4. 12351475 - System for producing magnesium chloride aqueous solution and system for producing magnesium (2025-07-08),

5. 12227689 - Platy chemical heat-storage object (2025-02-18),

6. 10488040 - Duct wall surface structure (2019-11-26),

7. 10323844 - Exhaust duct and boiler (2019-06-18),

8. 10190771 - Exhaust duct and boiler (2019-01-29),

9. 9851101 - Boiler system and power plant including the same (2017-12-26),

10. 9421525 - Exhaust gas treatment catalyst (2016-08-23),

11. 9399213 - Apparatus for removing arsenic compound (2016-07-26),

12. 9272265 - [object Object] (2016-03-01),

13. 9249706 - Method for regenerating exhaust gas treatment catalyst (2016-02-02),

14. 9227158 - [object Object] (2016-01-05),

15. 9192920 - Exhaust gas treatment catalyst and method for regenerating the same (2015-11-24),

Title: Masashi Kiyosawa - Innovative Inventor from Tokyo

Introduction: Masashi Kiyosawa is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masashi Kiyosawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Masashi Kiyosawa has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the industry. His dedication to pushing the boundaries of technology has earned him recognition worldwide.

Collaborations: Throughout his career, Masashi Kiyosawa has collaborated with top engineers, scientists, and designers, fostering a culture of creativity and excellence. His ability to work in multidisciplinary teams has led to the development of cutting-edge solutions that have had a lasting impact.

Conclusion: Masashi Kiyosawa's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of technology. His work continues to inspire future generations of inventors and shape the landscape of innovation globally.

Profile summary based on public USPTO records.