Kazuyoshi Obayashi

This inventor holds 75 USPTO granted patents and 31 published patent applications and 6 EPO patents, primarily in Wireless Power Transfer (CPC class Y02T). Top assignees: Denso Corporation, Toyota Jidosha Kabushiki Kaisha, Nippon Soken, Inc.. Active years: 1997-2026.

USPTO Granted Patents = 75 (Patent Applications = 31)

% Patents Active = 89.3

EPO Patents = 6 (Patent Applications = 33)

Average Co-Inventor Count = 2.6

ph-index = 15

Forward Citations = 863(Granted Patents)

Forward Citations (Not Self Cited) = 845(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Aichi-ken, JP (2003 - 2013)
Chita-gun, JP (2000 - 2019)
Kariya, JP (1997 - 2024)

Company Filing History:

Toyota Jidosha Kabushiki Kaisha

Nippondenso Co., Ltd.

where one patent can have more than one assignee

Years Active: 1997-2026

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Areas of Expertise:

Contactless Power Supply

Wireless Power Transfer

Hybrid Vehicle Control

Power Supply Apparatus

Dynamic Wireless Power

Ground Power Supply

Magnetic Detection

Battery Charging

Power Conversion

Vehicle-Mounted Device

Non-Contact Feeding Pad

Electric Power System

75 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12658033 - Foreign substance detection system and vehicle (2026-06-16),

2. 12640592 - Power supply device (2026-05-26),

3. 12627172 - Wireless power supply apparatus (2026-05-12),

4. 12620838 - Contactless power feeding apparatus and contactless power feeding system (2026-05-05),

5. 12556039 - Ground power supply apparatus, noncontact power supply system, control method for ground power supply apparatus, and computer program (2026-02-17),

6. 12292485 - Magnetic detection system (2025-05-06),

7. 12115872 - Contactless power supply system and contactless power supply apparatus (2024-10-15),

8. 12095287 - Dynamic wireless power transfer system (2024-09-17),

9. 12017543 - In-motion power supply system, and abnormality determination method for electrical characteristics in said system (2024-06-25),

10. 12000905 - Power supply system for moving body (2024-06-04),

11. 11926272 - Power supply system for mobile object (2024-03-12),

12. 11901741 - Wireless power transfer system (2024-02-13),

13. 11742747 - Power supply system (2023-08-29),

14. 11465574 - Power supply system (2022-10-11),

15. 10862336 - Non-contact power-supply device with voltage vector target control (2020-12-08),

Title: Kazuyoshi Obayashi - Innovative Inventor from Chita-gun, Japan

Introduction: Kazuyoshi Obayashi is a renowned inventor hailing from Chita-gun, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kazuyoshi Obayashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Kazuyoshi Obayashi has worked with leading research institutions and tech companies, playing a pivotal role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Kazuyoshi Obayashi has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge exchange that has led to the creation of groundbreaking technologies.

Conclusion: Kazuyoshi Obayashi's passion for innovation and his relentless pursuit of technological excellence have solidified his position as a visionary inventor, shaping the future of technology and inspiring generations to come.