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For the Inventor, By the Inventor

Tokyo, Japan

Kazuo Katai

This inventor holds 24 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Electrochemical Devices. Top assignee: Tdk Corporation. Active years: 1995-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Katai. Retrieved from https://idiyas.com/inventor/kazuo-katai

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

Calculating rank
USPTO Granted Patents = 24 

% Patents Active = 100.0


Average Co-Inventor Count = 4.1

ph-index = 5

Forward Citations = 94(Granted Patents)


Location History:

  • Saku, JP (1995 - 1997)
  • Nagano, JP (1999 - 2002)
  • Tokyo, JP (2006 - 2016)

Company Filing History:

goldMedal24 out of 8,271 
 
Tdk Corporation
 patents

Years Active: 1995-2016

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Areas of Expertise:
Electrochemical Device
Lithium-Ion Battery
Electric Double Layer Capacitor
Manufacturing Method
Active Material Layers
Electrode
Coating Method
Production Method
Extrusion Coating
Wound Device
Anode
Circuit Board
24 patents (USPTO):Explore Patents
1. 9236632 - Electrochemical device and method for manufacturing electrochemical device (2016-01-12),
2. 9083013 - Electrochemical device (2015-07-14),
3. 8760840 - Electrochemical device and manufacturing method thereof, circuit board and housing tray (2014-06-24),
4. 8705225 - Electric double layer capacitor with non-equal areas of the active material layers of the positive electrode and the negative electrode (2014-04-22),
5. 8481198 - Wound electrochemical device and method of manufacturing same (2013-07-09),
6. 8470473 - Electrode and electrochemical device (2013-06-25),
7. 8455385 - Method of manufacturing lithium-ion secondary battery positive electrode, method of manufacturing lithium-ion secondary battery, lithium-ion secondary battery positive electrode, and lithium-ion secondary battery (2013-06-04),
8. 8216718 - Anode and lithium-ion secondary battery (2012-07-10),
9. 8034483 - Anode and lithium-ion secondary battery (2011-10-11),
10. 8020510 - Coating die having front and back concave surfaces corresponding to narrow central angles of the guide roll (2011-09-20),
11. 7935380 - Method of producing electrode for capacitor (2011-05-03),
12. 7708787 - Electrode for electric chemical capacitor, manufacturing method and apparatus thereof (2010-05-04),
13. 7507435 - Slitter apparatus and production method of electrode (2009-03-24),
14. 7307831 - Method of manufacturing electrode and electrode (2007-12-11),
15. 7256099 - Method of producing electrochemical device, and the electrochemical device (2007-08-14),

Title: Innovations by Kazuo Katai: A Leader in Electrochemical Device Patents

Introduction

Kazuo Katai, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of electrochemical devices. With a total of 24 patents to his name, his innovative concepts have paved the way for advancements in energy storage technology and device manufacturing.

Latest Patents

Among his latest innovations, Katai's patents focus on the development of advanced electrochemical devices. One notable patent describes an electrochemical device comprising a wound laminated body that incorporates first and second electrodes, separators, and an electrolytic solution. This innovative design ensures that specific components protrude strategically, optimizing the device's efficiency and operational characteristics. Another recent patent showcases an electrochemical device featuring an enclosing exterior package with an elastic structure, enhancing the device's durability and performance under various conditions.

Career Highlights

Kazuo Katai has successfully utilized his expertise while working at TDK Corporation, where he has played a vital role in advancing the company's research in electrochemical devices. His dedication to innovation has been instrumental in refining the design and functionality of various energy storage systems.

Collaborations

Throughout his career, Katai has collaborated with notable colleagues such as Yousuke Miyaki and Kiyonori Hinoki. These partnerships have contributed to a collaborative environment that fosters creativity and innovation, leading to groundbreaking advancements within the industry.

Conclusion

Kazuo Katai's contributions to the field of electrochemical devices exemplify the remarkable impact of dedicated inventors on technological advancements. With his continued focus on innovation, Katai is likely to remain at the forefront of research and development in energy storage solutions, shaping the future of this critical 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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