Nakatsu, Japan

Tsuyoshi Tokiwa

This inventor holds 4 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2000-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Tokiwa. Retrieved from https://idiyas.com/inventor/tsuyoshi-tokiwa

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

Calculating rank

% Patents Active = 75.0

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 79(Granted Patents)


Location History:

  • Nakatsu, JP (2000 - 2003)
  • Maastricht, NL (2003)

Company Filing History:


Years Active: 2000-2003

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4 patents (USPTO):Explore Patents

Title: Tsuyoshi Tokiwa: Innovator in Semiconductor Technology

Introduction

Tsuyoshi Tokiwa is a notable inventor based in Nakatsu, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on improving the efficiency and effectiveness of semiconductor devices.

Latest Patents

Tokiwa's latest patents include a lead frame for semiconductor devices and a process for producing the same. He has also developed a method for producing a tin-silver alloy plating film, which enhances wettability and solderability. This method involves heat treating the surface of the tin-silver alloy plating film at temperatures ranging from 70 to 210 degrees Celsius.

Career Highlights

Tsuyoshi Tokiwa is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovations in electronics. His work has been instrumental in advancing semiconductor technology, making it more reliable and efficient for various applications.

Collaborations

Tokiwa has collaborated with notable coworkers such as Hisahiro Tanaka and Matsuo Masuda. Their combined expertise has contributed to the successful development of innovative technologies in the semiconductor industry.

Conclusion

Tsuyoshi Tokiwa's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in electronic components and devices.

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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