Kazushige Ohbayashi

This inventor holds 26 USPTO granted patents, plus 1 CIPO patent and 12 EPO patents, primarily in Piezoelectric Materials. Top assignee: Ngk Spark Plug Company, Limited. Active years: 1999-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazushige Ohbayashi. Retrieved from https://idiyas.com/inventor/kazushige-ohbayashi

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

USPTO Granted Patents = 26

% Patents Active = 88.5

CIPO Patents = 1

EPO Patents = 12 (Patent Applications = 9)

Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 109(Granted Patents)

Location History:

Aichi, JP (2001 - 2012)
Nagoya, JP (1999 - 2021)

Company Filing History:

26 out of 2,606

Ngk Spark Plug Company, Limited

patents

Years Active: 1999-2021

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Areas of Expertise:

Piezoelectric Element

Gas Sensor

Conductive Oxide

Lead-Free Ceramic

Temperature Sensor

Dielectric Material

Sintered Compact

Ultrasound Probe

Wiring Substrate

Thermistor Element

Catalytic Material

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10883192 - Sintered electrically conductive oxide for oxygen sensor electrode, and oxygen sensor using the same (2021-01-05),

2. 10629322 - Electrically conductive oxide sintered compact, member for electrical conduction, gas sensor, piezoelectric element, and method for producing piezoelectric element (2020-04-21),

3. 10379076 - Electrically conductive oxide sintered compact, member for electrical conduction, and gas sensor (2019-08-13),

4. 10347817 - Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition (2019-07-09),

5. 10340441 - Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition (2019-07-02),

6. 10302589 - Gas sensor, electrically conductive oxide sintered body, and wiring board (2019-05-28),

7. 9938197 - Unleaded piezoelectric ceramic composition, piezoelectric element using same, device, and method for manufacturing unleaded piezoelectric ceramic composition (2018-04-10),

8. 9871187 - Lead-free piezo-electric porcelain composition, piezo-electric element using the same, and method for producing lead-free piezo-electric porcelain composition (2018-01-16),

9. 9828296 - Lead-free piezoelectric ceramic composition, method for producing same, piezoelectric element using lead-free piezoelectric ceramic composition, ultrasonic processing machine, ultrasonic drive device, and sensing device (2017-11-28),

10. 9136033 - Sintered oxide compact and circuit board using same (2015-09-15),

11. 9006959 - Lead-free piezoelectric ceramic composition, piezoelectric element comprising same, knock sensor, and process for production of lead-free piezoelectric ceramic composition (2015-04-14),

12. 8237343 - Spark plug having a metal fitting portion for holding an insulator at a portion opposite a tip end (2012-08-07),

13. 8040024 - Piezoceramic material, piezoelectric element and non-resonance knock sensor (2011-10-18),

14. 7891870 - Temperature sensor element and method of manufacturing the same (2011-02-22),

15. 7656269 - Sintered electroconductive oxide, thermister element using sintered electroconductive oxide, and temperature sensor using thermister element (2010-02-02),

Title: Kazushige Ohbayashi: Innovator in Conductive Oxides and Sensors

Introduction

Kazushige Ohbayashi, an esteemed inventor based in Nagoya, Japan, boasts an impressive portfolio of 26 patents. His work focuses primarily on the development of innovative materials and technologies for gas sensors, particularly in the realm of electrically conductive oxides.

Latest Patents

Ohbayashi's latest patents demonstrate his expertise and commitment to advancing sensor technology. One notable invention is a sintered electrically conductive oxide for an oxygen sensor electrode. This advanced oxide contains a perovskite-type electrically conductive oxide, composed of Lanthanum (La), Iron (Fe), and Nickel (Ni), showcasing a thermoelectromotive force of 21.0 µV/K or less at 770°C. Another significant patent involves an electrically conductive oxide sintered compact, which includes a perovskite oxide crystal structure with a specific composition formula. This innovation enhances the performance of various applications, such as electrical conduction, gas sensors, and piezoelectric elements.

Career Highlights

Kazushige Ohbayashi is currently associated with the NGK Spark Plug Company, Limited, where he continues to influence the field of conductive oxides. His dedication to research and development has not only led to a remarkable number of patents but has also solidified his reputation within the industry as a key contributor to advancements in sensor technology.

Collaborations

Throughout his career, Ohbayashi has collaborated with prominent colleagues such as Yasuyuki Okimura and Hisashi Kozuka. These partnerships have fostered an environment of creativity and innovation, aiding in the realization of groundbreaking inventions that push the boundaries of technology.

Conclusion

Kazushige Ohbayashi stands out as a notable inventor in the realm of electrically conductive materials and gas sensors. With his extensive patent portfolio and collaborative efforts, he continues to drive innovation and contribute to advancements that are essential in various technological applications.

Profile summary based on public USPTO records.