Yokohama, Japan

Tatsuyuki Ishikawa

This inventor holds 16 USPTO granted patents and 1 published patent application. Top assignees: Kabushiki Kaisha Toshiba, Nippon Mitsubishi Oil Corporation, Nippon Oil Company. Active years: 1993-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuyuki Ishikawa. Retrieved from https://idiyas.com/inventor/tatsuyuki-ishikawa

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 = 75.0

Average Co-Inventor Count = 3.6

ph-index = 8

Forward Citations = 167(Granted Patents)


Location History:

  • Yokohama, JP (1993 - 2012)
  • Kanagawa, JP (2013 - 2014)

Company Filing History:


Years Active: 1993-2014

Loading Chart...
16 patents (USPTO):Explore Patents

Title: Innovations of Tatsuyuki Ishikawa

Introduction

Tatsuyuki Ishikawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 16 patents. His work primarily focuses on memory controllers and decoding methods, which are crucial for enhancing the performance of semiconductor memory devices.

Latest Patents

Ishikawa's latest patents include a memory controller and a semiconductor memory apparatus. The memory controller features a buffer designed to perform decoding of frame-unit data through partial parallel processing based on a check matrix. This innovative design allows for efficient storage of threshold decision information from memory sections. Additionally, the semiconductor memory device he developed includes a decoding unit that utilizes posterior likelihood ratios for decoding LDPC encoded data. This method improves the reliability of data retrieval in semiconductor memory units.

Career Highlights

Throughout his career, Tatsuyuki Ishikawa has worked with notable companies such as Toshiba Corporation and Nippon Mitsubishi Oil Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Ishikawa has collaborated with esteemed colleagues, including Noboru Ishida and Hiroshi Hasegawa. These partnerships have fostered a creative environment that has led to innovative solutions in the field of memory technology.

Conclusion

Tatsuyuki Ishikawa's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in memory devices and decoding methods, showcasing the importance of innovation in technology.

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]
Loading…