Seto, Japan

Tatsunori Yamada

This inventor holds 24 USPTO granted patents and 12 EPO patents, primarily in Ignition Systems. Top assignees: Ngk Spark Plug Company, Limited, Mikuni Corporation. Active years: 2003-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsunori Yamada. Retrieved from https://idiyas.com/inventor/tatsunori-yamada

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


% Patents Active = 12.5

 

Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 91(Granted Patents)


Location History:

  • Aichi-ken, JP (2013 - 2015)
  • Aichi, JP (2003 - 2017)
  • Seto, JP (2007 - 2021)

Company Filing History:


Years Active: 2003-2021

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Areas of Expertise:
Pressure Sensor
Diaphragm Sensor
Combustion Chamber
Spark Plug
Plasma Ignition
Ignition Device
High-Frequency Spark Plug
Glow Plug
Misfiring Detection
Control System
Ignition Apparatus
Sensor Technology
24 patents (USPTO):Explore Patents

Title: Innovations of Tatsunori Yamada in Pressure Sensors

Introduction

Tatsunori Yamada is a distinguished inventor based in Seto, Japan, renowned for his contributions to the field of pressure sensor technology. With a portfolio encompassing 24 patents, he has demonstrated a commitment to advancing innovative solutions in this critical area of engineering.

Latest Patents

Yamada's latest inventions include two noteworthy pressure sensors. The first patent details a pressure sensor featuring a housing extending along an axial line, where a diaphragm is fixed to the front-end side. Inside the housing, a piezoelectric unit operates while a transmission member relays the diaphragm's deformation to the piezoelectric unit. This design ensures precise measurements, facilitated by specific relationships dictated in the patent.

The second patent describes a diaphragm suppressing pressure sensor characterized by a cylindrical casing and a diaphragm that deforms under pressure. The sensor section inside the casing generates an electric signal corresponding to the diaphragm's deformation, with unique structural parameters defined in the patent to optimize its functionality.

Career Highlights

Yamada has amassed significant experience working with reputable organizations. Notably, he has been associated with NGK Spark Plug Company, Limited and NGK Spark Plug Co., Ltd., where he has contributed his innovative solutions to enhance product offerings in sensor technology.

Collaborations

Throughout his career, Yamada has collaborated with notable colleagues, including Katsutoshi Nakayama and Kohei Katsuraya. These partnerships have fostered a fruitful exchange of ideas, further driving innovation in their respective fields.

Conclusion

Tatsunori Yamada's impressive array of patents and collaborative efforts underscore his role as a key innovator in pressure sensor technology. His continued work promises to contribute meaningfully to advancements in engineering and technology, exemplifying the impact that dedicated inventors can have on the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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