Aichi, Japan

Shoichi Ohtsuki

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Ngk Spark Plug Company, Limited. Active years: 2002-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichi Ohtsuki. Retrieved from https://idiyas.com/inventor/shoichi-ohtsuki

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


% Patents Active = 100.0


Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Komaki, JP (2002)
  • Aichi, JP (2003)

Company Filing History:


Years Active: 2002-2003

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2 patents (USPTO):Explore Patents

Title: Innovator Shoichi Ohtsuki: Pioneering Gas and Oxygen Sensor Technologies

Introduction: Shoichi Ohtsuki, a talented inventor based in Aichi, Japan, has made significant contributions to sensor technology through his innovative designs. With a total of two patents, Ohtsuki has focused on advancements that enhance the reliability and efficiency of gas and oxygen sensors.

Latest Patents: Ohtsuki's latest patents delve into the intricacies of gas and oxygen sensors. The gas sensor patent describes a unique casing that houses a sensing element, consisting of an inner and an outer cylindrical member joined by a caulked portion. The design optimizes Vickers hardness levels for both members, enhancing airtightness under conditions of thermal shock. His oxygen sensor patent features a ceramic separator equipped with lead insertion holes, ensuring a secure and reliable connection. This innovative approach addresses potential gaps in the lead paths, allowing the device to function effectively across various environments.

Career Highlights: Shoichi Ohtsuki works with the NGK Spark Plug Company, Limited, where he has been instrumental in driving forward sensor technology. His expertise in the field has led to the development of products that improve performance and safety in automotive applications and other industries.

Collaborations: Ohtsuki's success is further bolstered by collaborations with distinguished colleagues such as Kouji Matsuo and Shoji Akatsuka. Their combined expertise fosters a creative environment where innovative solutions to complex engineering problems can flourish.

Conclusion: With his inventive spirit and commitment to excellence, Shoichi Ohtsuki continues to push the boundaries of sensor technology. His contributions not only benefit the current landscape of engineering but also pave the way for future innovations that may transform the industry. The impact of his patents showcases the crucial role inventors play in advancing technology and solving real-world challenges.

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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