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For the Inventor, By the Inventor

Yokohama, Japan

Chikako Tokunaga

USPTO Granted Patents = 19 

Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 109(Granted Patents)


Location History:

  • Kawasaki, JP (2011)
  • Tokyo, JP (2012)
  • Yokohama, JP (2006 - 2014)
  • Kanagawa, JP (2015)
  • Kanagawa-ken, JP (2016)
  • Yokohama Kanagawa, JP (2017)

Company Filing History:

goldMedal19 out of 52,735 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 2006-2017

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19 patents (USPTO):Explore Patents
1. 9557379 - Semiconductor integrated circuit (2017-01-31),
2. 9443611 - Semiconductor integrated circuit with bist circuit (2016-09-13),
3. 9159456 - Semiconductor device (2015-10-13),
4. 8671317 - Built-in self test circuit and designing apparatus (2014-03-11),
5. 8599632 - Semiconductor integrated circuit (2013-12-03),
6. 8201037 - Semiconductor integrated circuit and method for controlling semiconductor integrated circuit (2012-06-12),
7. 8176372 - Semiconductor integrated circuit (2012-05-08),
8. 8134880 - Semiconductor integrated circuit (2012-03-13),
9. 8037376 - On-chip failure analysis circuit and on-chip failure analysis method (2011-10-11),
10. 8032803 - Semiconductor integrated circuit and test system thereof (2011-10-04),
11. 7962821 - Built-in self testing circuit with fault diagnostic capability (2011-06-14),
12. 7797591 - Semiconductor integrated circuit, design support software system, and automatic test pattern generation system (2010-09-14),
13. 7783942 - Integrated circuit device with built-in self test (BIST) circuit (2010-08-24),
14. 7734975 - Semiconductor integrated circuit having built-n self test circuit of logic circuit and embedded device, and design apparatus thereof (2010-06-08),
15. 7653854 - Semiconductor integrated circuit having a (BIST) built-in self test circuit for fault diagnosing operation of a memory (2010-01-26),

Title: **Chikako Tokunaga: A Pioneer in Semiconductor Innovations**

Introduction

Chikako Tokunaga, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 19 patents, her innovations reflect a deep understanding of integrated circuits and their practical applications in modern electronics.

Latest Patents

Among her most recent patents, the first notable invention is a **semiconductor integrated circuit** that incorporates various components, including memories, comparison circuits, first registers, and a Built-In Self-Test (BIST). This innovative circuit is designed to enhance the testing and reliability of semiconductor memories by comparing output values with expected results and generating detailed defect information.

Another significant patent is her work on a **semiconductor integrated circuit with a BIST circuit**. This invention provides a sophisticated means of testing memory by incorporating bypass circuits and selection units that streamline the testing process and improve efficiency. The design aims to ensure that only the most effective signals are processed during memory testing, ultimately leading to better performance in semiconductor applications.

Career Highlights

Chikako Tokunaga is employed at Kabushiki Kaisha Toshiba, a leading company in the technology sector known for its innovative electronic solutions. Throughout her career, Tokunaga has actively contributed to advancements in semiconductor technology through her extensive research and development efforts.

Collaborations

Throughout her professional journey, Chikako has collaborated with esteemed colleagues such as Kenichi Anzou and Tetsu Hasegawa. These collaborations have not only enhanced her work but have also contributed to the collective innovation efforts within the company and the broader technological community.

Conclusion

Chikako Tokunaga's contributions to the semiconductor industry underscore her role as a leading inventor. With her numerous patents and commitment to innovation, she continues to drive advancements that shape the future of electronics. Her work demonstrates how dedication and creativity in the field of technology can lead to groundbreaking solutions that enhance performance and reliability.

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