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Masamichi Shibata

USPTO Granted Patents = 57

EPO Patents = 1

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 154(Granted Patents)

Forward Citations (Not Self Cited) = 147(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Anjo, JP (1985 - 2007)
Toyoto, JP (2015)
Toyota, JP (1984 - 2017)
Kariya, JP (2016 - 2022)

Company Filing History:

52 out of 19,748

Denso Corporation

Nippon Soken, Inc.

Nippondenso Co., Ltd.

where one patent can have more than one assignee

Years Active: 1984-2022

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Areas of Expertise:

Spark Plug

Ignition Device

Internal Combustion Engine

Noble Metal Tip

Ignition System

Plasma Ignition System

Fuel Injection System

Electrode Design

Manufacturing Method

Gas Turbulence Prevention

Control Apparatus

Glow Plug

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11465314 - Method of producing insulator for spark plug (2022-10-11),

2. 11374385 - Spark plug, noble metal tip, and manufacturing method for noble metal tip (2022-06-28),

3. 11056858 - Spark plug having a housing with a channel part (2021-07-06),

4. 11005238 - Spark plug (2021-05-11),

5. 10938186 - Spark plug electrode and spark plug (2021-03-02),

6. 10938184 - Spark plug (2021-03-02),

7. 10931086 - Spark plug including a ground electrode having slanted surfaces and a facing portion facing a distal end surface of a center electrode (2021-02-23),

8. 10886709 - Spark plug that prevents gas turbulence in the discharge space (2021-01-05),

9. 10790640 - Spark plug for internal combustion engine (2020-09-29),

10. 10777974 - Spark plug for internal combustion engine that makes re-discharge less prone to occur (2020-09-15),

11. 10686299 - Spark plug of internal combustion engine (2020-06-16),

12. 10666022 - Ignition plug and method for manufacturing ignition plug (2020-05-26),

13. 10505347 - Spark plug for internal combustion engine (2019-12-10),

14. 10439367 - Ignition plug for an internal combustion engine and method for manufacturing the same (2019-10-08),

15. 10333281 - Spark plug (2019-06-25),

Title: Masamichi Shibata - Innovator at Toyota

Introduction: Masamichi Shibata is a renowned inventor based in Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Shibata's latest patents focus on advancements in electric vehicle battery technology, autonomous driving systems, and sustainable materials for vehicle manufacturing.

Career Highlights: With over two decades of experience in the automotive industry, Shibata has played a key role in developing cutting-edge technologies that have revolutionized the way we think about transportation.

Collaborations: Throughout his career, Shibata has collaborated with leading engineers, researchers, and designers both within Toyota and across the industry to bring innovative ideas to life.

Conclusion: Masamichi Shibata's dedication to pushing the boundaries of automotive innovation continues to inspire the next generation of inventors and shape the future of sustainable transportation.

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