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For the Inventor, By the Inventor

Nagoya, Japan

Takeshi Tokunaga

This inventor holds 17 USPTO granted patents and 10 EPO patents. Top assignee: Ngk Insulators, Inc.. Active years: 2009-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Tokunaga. Retrieved from https://idiyas.com/inventor/takeshi-tokunaga

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

USPTO Granted Patents = 17

% Patents Active = 88.2


Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 50(Granted Patents)


Company Filing History:

goldMedal17 out of 5,075 
 
Ngk Insulators, Inc.
 patents

Years Active: 2009-2024

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17 patents (USPTO):Explore Patents
1. 11920786 - Regenerative burner, industrial furnace and method for producing a fired article (2024-03-05),
2. 11796252 - Continuous heating furnace and operating method thereof (2023-10-24),
3. 11136272 - Method of producing fired ceramic article and method of firing ceramic green body (2021-10-05),
4. 10969175 - Setter for firing, and method for producing honeycomb structure using setter for firing (2021-04-06),
5. 10101254 - Shelf-plate crack detecting method, honeycomb structure delivering method, shelf-plate crack detecting apparatus, and shelf plate delivering apparatus (2018-10-16),
6. 8974723 - Process for producing honeycomb structure (2015-03-10),
7. 8968638 - Apparatus for injecting slurry and method therefor (2015-03-03),
8. 8535587 - Method for manufacturing plugged honeycomb structure (2013-09-17),
9. 8328974 - Film sticking apparatus and film sticking method (2012-12-11),
10. 8048508 - Plugged honeycomb structure (2011-11-01),
11. 8003035 - Method of manufacturing plugged honeycomb structure (2011-08-23),
12. 8000516 - Manufacturing method of plugged honeycomb structure (2011-08-16),
13. 7972677 - Plugged honeycomb structure (2011-07-05),
14. 7858168 - Honeycomb structure and manufacturing method of the same (2010-12-28),
15. 7807085 - Manufacturing apparatus of plugged honeycomb structure and manufacturing method of the same (2010-10-05),

Title: The Innovative Contributions of Takeshi Tokunaga

Introduction

Takeshi Tokunaga is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of industrial technology, holding a total of 17 patents. His work primarily focuses on advancements in combustion technology and heat treatment processes.

Latest Patents

Among his latest patents are the regenerative burner and the continuous heating furnace. The regenerative burner features a combustion chamber, a heat exchange chamber, and a communication passage. It is designed to efficiently burn fuel while utilizing combustion air to produce a flame. The continuous heating furnace is engineered to carry out heat treatment while conveying workpieces through various zones, including a cooling zone equipped with indirect coolers for precise temperature control.

Career Highlights

Takeshi Tokunaga has established himself as a key figure in his field through his innovative designs and practical applications. His work at NGK Insulators, Inc. has allowed him to collaborate on projects that push the boundaries of industrial furnace technology.

Collaborations

He has worked alongside notable colleagues such as Koichi Ito and Yukihito Ichikawa, contributing to a collaborative environment that fosters innovation and creativity.

Conclusion

Takeshi Tokunaga's contributions to industrial technology through his patents and collaborative efforts highlight his role as a leading inventor in Japan. His work continues to influence advancements in combustion and heat treatment technologies.

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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