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For the Inventor, By the Inventor

Kawasaki, Japan

Keiichi Kushida

This inventor holds 23 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Memory. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2004-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Kushida. Retrieved from https://idiyas.com/inventor/keiichi-kushida

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

USPTO Granted Patents = 23 

% Patents Active = 43.5

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 136(Granted Patents)


Location History:

  • Yokohama, JP (2004 - 2009)
  • Kanagawa-ken, JP (2005 - 2012)
  • Tokyo, JP (2012)
  • Kawasaki, JP (2009 - 2014)
  • Kanagawa, JP (2011 - 2015)

Company Filing History:

goldMedal23 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 2004-2015

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Areas of Expertise:
Semiconductor Memory Device
Integrated Circuit Device
Error Correction Code
Bit Line Pre-Charge Circuit
Static Memory Cell
Local Bit Lines
Global Bit Lines
MOS Electric Fuse
Memory Test Method
Output Buffer Circuit
Memory Chip
Data Updating
23 patents (USPTO):Explore Patents
1. 9208830 - Semiconductor memory device (2015-12-08),
2. 8804403 - Semiconductor memory device (2014-08-12),
3. 8537597 - Semiconductor memory device (2013-09-17),
4. 8310898 - Semiconductor storage device (2012-11-13),
5. 8284592 - Semiconductor memory device and method of updating data stored in the semiconductor memory device (2012-10-09),
6. 8283712 - Semiconductor memory device and manufacturing method for semiconductor memory device (2012-10-09),
7. 8223570 - Semiconductor storage device with bit line pre-charge circuit (2012-07-17),
8. 8111543 - Semiconductor memory device (2012-02-07),
9. 8072833 - Semiconductor memory device (2011-12-06),
10. 8000130 - Semiconductor memory device with sense circuit connected to sense node coupled to bit line (2011-08-16),
11. 7984363 - Integrated circuit device including a circuit to generate error correction code for correcting error bit for each of memory circuits (2011-07-19),
12. 7907439 - Semiconductor memory device (2011-03-15),
13. 7710808 - Semiconductor memory device including a static memory cell (2010-05-04),
14. 7663942 - Semiconductor memory device having local and global bit lines (2010-02-16),
15. 7573118 - MOS electric fuse, its programming method, and semiconductor device using the same (2009-08-11),

Title: Keiichi Kushida: Innovating Semiconductor Memory Technologies

Introduction

Keiichi Kushida is a prominent inventor based in Kawasaki, Japan, with an impressive portfolio of 23 patents to his name. His contributions to the field of semiconductor memory devices demonstrate a strong commitment to innovation and technological advancement.

Latest Patents

Among his latest patents, Kushida has developed groundbreaking semiconductor memory devices. One such patent involves a semiconductor memory device featuring a memory cell that includes a pair of local bit lines connected to the memory cell, along with a series of transistors manipulating power supply and data flow. In another embodiment, he introduces a memory cell containing various driving, load, read, and write transfer transistors, as well as variable resistance elements that adjust resistance based on the applied bias direction. These advancements are crucial for enhancing memory device efficiency and performance.

Career Highlights

Kushida is associated with Kabushiki Kaisha Toshiba, a leader in technology and electronics. His work focuses on cutting-edge semiconductor technologies, which are essential for various modern applications, including computing and data storage. His dedication to innovation is reflected in his numerous patents that continually push the boundaries of technology.

Collaborations

Throughout his career, Keiichi has collaborated with notable colleagues such as Osamu Hirabayashi and Nobuaki Otsuka. These collaborations have fostered a dynamic environment that encourages the sharing of ideas and expertise, leading to the development of advanced technologies in the semiconductor field.

Conclusion

Keiichi Kushida exemplifies the spirit of innovation in the semiconductor industry. With a solid track record of patents and significant contributions to memory device technology, his work continues to impact the field positively. As technology evolves, Kushida's inventions will remain a pivotal part of advancements in semiconductor memory solutions.

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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