Kenji Kato

This inventor holds 55 USPTO granted patents and 2 published patent applications, plus 4 CIPO patents and 12 EPO patents, primarily in Gas Sensor Technology. Top assignees: Ngk Spark Plug Company, Limited, Kabushikikaisha Equos Research, Nippon Steel Corporation. Active years: 1987-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Kato. Retrieved from https://idiyas.com/inventor/kenji-kato-a0u5lnje

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

Calculating rank

USPTO Granted Patents = 55 (Patent Applications = 2)

% Patents Active = 92.7

CIPO Patents = 4

EPO Patents = 12 (Patent Applications = 1)

Average Co-Inventor Count = 3.5

ph-index = 10

Forward Citations = 372(Granted Patents)

Forward Citations (Not Self Cited) = 365(Dec 10, 2025)

Location History:

Toyota, JP (1987)
Sizuoka, JP (1987)
Numazu, JP (1994)
Aichi-ken, JP (1997)
Tokai, JP (1998)
Hokkaido, JP (2001 - 2003)
Sunto-gun, JP (2004)
Futtsu, JP (2000 - 2010)
Abiko, JP (2011)
Aichi, JP (2000 - 2013)
Yokohama, JP (2015)
Shizuoka, JP (1994 - 2018)
Chiyoda-ku, JP (2016 - 2018)
Fujinomiya, JP (2018)
Saitama, JP (2019)
Nagoya, JP (1992 - 2021)
Kanagawa, JP (2024)

Company Filing History:

21 out of 2,606

Ngk Spark Plug Company, Limited

patents

6 out of 109

Kabushikikaisha Equos Research

patents

6 out of 3,724

Nippon Steel Corporation

Fuji Capsule Co., Ltd.

patents

6. 3 out of 39,010

Toyota Jidosha Kabushiki Kaisha

Mitsubishi Gas Chemical Company, Inc.

patents

10. 2 out of 3,252

Nippondenso Co., Ltd.

patents

11. 2 out of 140

Sumitomo Light Metal Industries, Ltd.

patents

12. 2 out of 8

The Japan Iron and Steel Federation

patents

13. 2 out of 746

Toshiba Kikai Kabushiki Kaisha

Kabushiki Kaisha Atsumitec

patents

16. 1 out of 1,766

National Institute of Advanced Industrial Science and Technology

patents

17. 1 out of 1

Nippon Chemical Paint Co., Ltd.

patent

18. 1 out of 12

Shiroki Kogyo Co., Ltd.

patents

19. 1 out of 5

Tachibana Eletech Co., Ltd.

patents

20. 1 out of 834,601

Other

patents

where one patent can have more than one assignee

Years Active: 1987-2024

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Areas of Expertise:

Gas Sensor

NOx Detection

Humidity Sensor

Hydrogen Sensor

Vehicle Behavior Control

Exhaust Gas Purification

Water-Stop Materials

Soft Capsule Manufacturing

Fuel Cell Apparatus

Coking Coal Quality

Waste Plastic Reutilization

Sensor Control

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12043739 - Curable water-swelling waterstop material, waterstop steel sheet pile, waterstop steel sheet pile production method, and water-stopping method (2024-07-23),

2. 10961888 - NOx sensor control device and NOx sensor control method (2021-03-30),

3. 10346694 - Vehicle start support device (2019-07-09),

4. 10169667 - External environment recognizing device for vehicle and vehicle behavior control device (2019-01-01),

5. 9962335 - Method of manufacturing enteric soft capsule (2018-05-08),

6. 9919923 - Method for producing hydrogen peroxide (2018-03-20),

7. 9901547 - Soft capsule shell (2018-02-27),

8. 9823220 - NOx concentration detection apparatus and NOx concentration detection method (2017-11-21),

9. 9820947 - Method of manufacturing enteric seamless soft capsule (2017-11-21),

10. 9719958 - Gas sensor controller, gas sensor system, and deterioration determination method for gas sensor element (2017-08-01),

11. 9631999 - [object Object] (2017-04-25),

12. 9522824 - Metal complex and method for producing hydrogen peroxide (2016-12-20),

13. 9494549 - Gas sensor control apparatus and gas sensor system (2016-11-15),

14. 9297778 - Sensor control apparatus, sensor control system, and sensor control method (2016-03-29),

15. 9224051 - Lens-attached matter detector for determining presence or absence of attached matter, lens-attached matter detection method executed by the same, and vehicle system having the same (2015-12-29),

Title: Kenji Kato - Pioneering Inventor from Nagoya, JP

Introduction: Kenji Kato is a renowned inventor hailing from Nagoya, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kenji Kato holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Kenji Kato has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Kenji Kato has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Kenji Kato's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazer in the world of inventors.

Profile summary based on public USPTO records.