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For the Inventor, By the Inventor

Tokyo, Japan

Tetsuya Kajita

This inventor holds 16 USPTO granted patents and 4 published patent applications and 11 EPO patents. Top assignees: Nec Corporation, Azbil Corporation, Nec Energy Devices, Ltd.. Active years: 2009-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Kajita. Retrieved from https://idiyas.com/inventor/tetsuya-kajita

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

USPTO Granted Patents = 16 

% Patents Active = 87.5

 

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Minato-ku, JP (2015)
  • Kanagawa, JP (2016)
  • Tokyo, JP (2009 - 2018)
  • Chiyoda-ku, JP (2018 - 2019)

Company Filing History:

goldMedal8 out of 36,684 
 
Nec Corporation
 patents
silverMedal5 out of 356 
 
Azbil Corporation
 patents
bronzeMedal4 out of 92 
 
Nec Energy Devices, Ltd.
 patents
4. 2 out of 180 
 
Yamatake Corporation
 patents
where one patent can have more than one assignee

Years Active: 2009-2019

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16 patents (USPTO):Explore Patents
1. 10243540 - Digital filter (2019-03-26),
2. 10147952 - Electrode binder composition and electrode (2018-12-04),
3. 10031539 - Output circuit and voltage generating device (2018-07-24),
4. 9973171 - Digital filter (2018-05-15),
5. 9960762 - Startup circuit (2018-05-01),
6. 9768476 - System and method for detecting a state of a lithium secondary battery by measuring a voltage of a negative electrode with respect to a reference electrode (2017-09-19),
7. 9325010 - Negative electrode active material for lithium secondary cell, lithium secondary cell employing the same, and method for producing the same (2016-04-26),
8. 9312534 - Nonaqueous electrolytic solution secondary battery, and positive electrode and negative electrode used in the same (2016-04-12),
9. 9263741 - Negative electrode for nanaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery using the same, and method for manufacturing negative electrode for nonaqueous electrolyte secondary battery (2016-02-16),
10. 9123928 - Method for doping and dedoping lithium into and from negative electrode and method for producing negative electrode for lithium secondary battery (2015-09-01),
11. 9076995 - Secondary battery (2015-07-07),
12. 9018916 - Lithium secondary battery and control system therefor, and method for detecting state of lithium secondary battery (2015-04-28),
13. 8956762 - Lithium ion secondary battery and method for manufacturing the same (2015-02-17),
14. 8766837 - Modulator and ΔΣ-type D/A converter (2014-07-01),
15. 7950292 - Capacitive electromagnetic flowmeter (2011-05-31),

Title: The Innovative Mind of Tetsuya Kajita

Introduction

Tetsuya Kajita, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the fields of digital technology and battery efficiency. With an impressive portfolio of 16 patents, Kajita continually demonstrates his innovative prowess, particularly through his latest inventions focused on digital filters and electrode binder compositions.

Latest Patents

Kajita's most recent patents showcase his expertise in digital signal processing and battery technology. One of his notable inventions is a digital filter that incorporates integration calculation units, which are cascade-connected and process time-division-multiplexed data across multiple channels. This invention enables the integration of data samples efficiently, enhancing the performance of electronic systems.

In addition, Kajita has developed an advanced electrode binder composition, which includes both high-molecular-weight and low-molecular-weight poly(amic acid). This innovative composition aims to improve the capacity and efficiency of secondary batteries, resulting in superior charge/discharge performance and enhanced cycle characteristics.

Career Highlights

Throughout his career, Tetsuya Kajita has been associated with prominent companies such as NEC Corporation and Azbil Corporation. His work at these organizations has allowed him to refine his skills and contribute to groundbreaking technologies that push the limits of current engineering practices.

Collaborations

Kajita’s innovative journey has been complemented by collaborations with esteemed colleagues such as Tatsuji Numata and Jiro Iriyama. Their collective expertise and shared vision have played a vital role in the successful development of multiple projects and patents, furthering advancements in their respective fields.

Conclusion

Tetsuya Kajita is a prominent figure in the innovation landscape, particularly known for his contributions to digital technology and energy solutions. With a total of 16 patents, his dedication to improving electronic systems and battery technology continues to inspire the next generation of inventors and engineers.

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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