Kazunori Hatakeyama

This inventor holds 86 USPTO granted patents and 20 published patent applications, plus 1 CIPO patent and 37 EPO patents, primarily in Power Conversion Technology (CPC class F25B49-025). Top assignees: Mitsubishi Electric Corporation, Mitsubishi Corporation. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunori Hatakeyama. Retrieved from https://idiyas.com/inventor/kazunori-hatakeyama

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

USPTO Granted Patents = 86 (Patent Applications = 20)

% Patents Active = 88.4

CIPO Patents = 1

EPO Patents = 37 (Patent Applications = 49)

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 209(Granted Patents)

Forward Citations (Not Self Cited) = 170(Dec 10, 2025)

Inventors with similar research interests:

🔬 See more inventors

Company Filing History:

85 out of 16,618

Mitsubishi Electric Corporation

patents

1 out of 101

Mitsubishi Corporation

patents

Years Active: 2014-2026

Loading Chart...

Areas of Expertise:

Power Converting Apparatus

Air Conditioner

Motor Driver

Heat Pump

Refrigeration Cycle

Electric Blower

Compressor

Vacuum Cleaner

Water Heater

Direct Current Power Supply

Load Driving Device

Refrigerating Cycle

86 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12732130 - Electric power conversion device, motor driving device, and refrigeration cycle application apparatus (2026-09-08),

2. 12587108 - Power converting apparatus, heat pump apparatus, and air conditioner (2026-03-24),

3. 12500510 - Power converter and air conditioner (2025-12-16),

4. 12476571 - Power converter, motor driver, and air conditioner (2025-11-18),

5. 12348166 - Motor drive apparatus, refrigeration cycle apparatus, air conditioner, water heater, and refrigerator (2025-07-01),

6. 12323069 - Power conversion apparatus and air conditioner (2025-06-03),

7. 12212262 - Power converting apparatus, motor driving apparatus, blower, compressor, and air conditioner (2025-01-28),

8. 12107510 - Power converting apparatus, and motor driving apparatus (2024-10-01),

9. 12092356 - Air-conditioning apparatus (2024-09-17),

10. 12021468 - Motor drive device, electric blower, electric vacuum cleaner, and hand dryer (2024-06-25),

11. 12009705 - Electric blower, vacuum cleaner, and hand dryer (2024-06-11),

12. 11990846 - Power conversion apparatus, motor drive apparatus, blower, compressor, and air conditioner (2024-05-21),

13. 11971200 - Heat pump apparatus with compressor heating control (2024-04-30),

14. 11874020 - Motor drive apparatus, blower, compressor, and air conditioner (2024-01-16),

15. 11863104 - Motor drive device, electric blower, electric vacuum cleaner, and hand dryer (2024-01-02),

Title: Kazunori Hatakeyama - Innovative Inventor from Tokyo

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

Latest Patents: Kazunori Hatakeyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse expertise and innovative mindset.

Career Highlights: Throughout his career, Kazunori Hatakeyama has worked with leading research institutions and tech companies, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Kazunori Hatakeyama has collaborated with top universities and multinational corporations, fostering a culture of innovation and knowledge-sharing that has led to the development of cutting-edge solutions.

Conclusion: Kazunori Hatakeyama's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.