Ai Igarashi

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignee: Ngk Spark Plug Company, Limited. Active years: 2014-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ai Igarashi. Retrieved from https://idiyas.com/inventor/ai-igarashi

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

USPTO Granted Patents = 9 (Patent Applications = 1)

% Patents Active = 88.9

Average Co-Inventor Count = 2.5

ph-index = 1

Forward Citations = 5(Granted Patents)

Location History:

Konan, JP (2014 - 2021)
Nagoya, JP (2022)

Company Filing History:

9 out of 2,606

Ngk Spark Plug Company, Limited

patents

Years Active: 2014-2022

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11535569 - Method for manufacturing sensor element (2022-12-27),

2. 10883959 - Sensor element and gas sensor including the sensor (2021-01-05),

3. 10634639 - Method for producing gas sensor element (2020-04-28),

4. 10481122 - Gas sensor element and gas sensor (2019-11-19),

5. 10330636 - Gas sensor element, gas sensor, and method of manufacturing gas sensor element (2019-06-25),

6. 10247698 - Gas sensor element, gas sensor, and method for manufacturing gas sensor element (2019-04-02),

7. 9976979 - Gas sensor element, gas sensor, and method of manufacturing gas sensor element (2018-05-22),

8. 9386633 - Heater control method and heater control apparatus for gas sensor (2016-07-05),

9. 8623188 - Gas sensor (2014-01-07),

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]

1 patent pending: