Naoki Katayama

This inventor holds 57 USPTO granted patents, plus 1 CIPO patent, primarily in Battery Technology (CPC class B60L). Top assignees: Brother Kogyo Kabushiki-Kaisha, Denso Corporation, Sumitomo Riko Company Limited. Active years: 1997-2026.

USPTO Granted Patents = 57

% Patents Active = 89.5

CIPO Patents = 1

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 215(Granted Patents)

Forward Citations (Not Self Cited) = 209(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nagoya, JP (1997 - 2016)
Aichi, JP (2023)
Kariya, JP (2001 - 2024)

Company Filing History:

41 out of 17,870

Brother Kogyo Kabushiki-Kaisha

Sumitomo Riko Company Limited

patents

4. 2 out of 38,723

Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Chuo Kenkyusho

patents

7. 1 out of 1

Tokai Chemical Industrias, Ltd.

patent

where one patent can have more than one assignee

Years Active: 1997-2026

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Areas of Expertise:

Thermal Insulation

Battery Cells

Power Supply

Electric Automobile

Vehicle System

Liquid Droplet Jetting

Inkjet Printer

Urethane Foam

Charge Control

Rotating Electric Machine

Control Apparatus

Liquid Discharging Head

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12562415 - Thermal insulation sheet between battery cells for electric automobile (2026-02-24),

2. 12521961 - Thermal insulation material (2026-01-13),

3. 12388133 - Thermal insulation material for battery pack and battery pack (2025-08-12),

4. 12000905 - Power supply system for moving body (2024-06-04),

5. 11926272 - Power supply system for mobile object (2024-03-12),

6. 11655931 - Heat insulating material and manufacturing method thereof (2023-05-23),

7. 11456643 - Rotating electric machine, controller, vehicle system, and maintenance method of rotating electric machine (2022-09-27),

8. 10886869 - Control apparatus and vehicle drive system (2021-01-05),

9. 10875418 - Charge control apparatus and system (2020-12-29),

10. 10406909 - Control device for internal combustion engine (2019-09-10),

11. 9859738 - Battery system controller (2018-01-02),

12. 9649950 - Power supply apparatus (2017-05-16),

13. 9399706 - Urethane foam molded product and method for producing the same (2016-07-26),

14. 9273603 - Vehicle-mounted power supply system (2016-03-01),

15. 9034935 - Urethane foam molded product and method for producing the same (2015-05-19),

Title: The Innovative Journey of Naoki Katayama

Introduction: Naoki Katayama, a pioneering inventor hailing from Kariya, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Naoki Katayama's recent patents include advancements in automotive engineering, particularly in the development of eco-friendly electric vehicle technologies.

Career Highlights: With a career spanning over two decades, Naoki Katayama has worked tirelessly to push the boundaries of technological advancements. His work has been instrumental in shaping the future of sustainable transportation.

Collaborations: Throughout his career, Naoki Katayama has collaborated with leading automotive companies and research institutions to bring his innovative ideas to life. His ability to work in multidisciplinary teams has led to the successful implementation of cutting-edge technologies.

Conclusion: Naoki Katayama's passion for innovation and dedication to creating a more sustainable future through his inventions have solidified his position as a trailblazer in the field of automotive engineering. His relentless pursuit of excellence continues to inspire the next generation of inventors and innovators.