Sagamihara, Japan

Takashi Tanaka

This inventor holds 5 USPTO granted patents. Top assignees: Nippon Steel Corporation, Toyota Jidosha Kabushiki Kaisha, Nippon Kinzoku Co., Ltd.. Active years: 1992-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Tanaka. Retrieved from https://idiyas.com/inventor/takashi-tanaka-es14ilj0

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 60(Granted Patents)


Location History:

  • Sagamihara, JP (1992 - 1995)
  • Futtsu, JP (1994 - 1996)
  • Okazaki, JP (2011)

Company Filing History:


Years Active: 1992-2011

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5 patents (USPTO):Explore Patents

Title: The Innovations of Takashi Tanaka

Introduction

Takashi Tanaka is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the fields of motor drive technology and welding materials. With a total of five patents to his name, Tanaka's work has had a considerable impact on various industries.

Latest Patents

One of Tanaka's latest patents is a motor drive device designed to enhance the reliability of motor operation. This device addresses the issue of short-circuited phases in motor systems. When the upper arm of the U-phase fails due to a short circuit, the lower arms of the V-phase and W-phase are activated to maintain functionality. By turning on only the lower arm of the V-phase, a pathway for motor current is established, which reduces the current returning to the short-circuited phase. This innovative approach allows for continuous operation of the motor generator while preventing an increase in current through the damaged phase, enabling vehicles to run in limp mode. Another significant patent is for inert gas arc welding wire specifically designed for high chromium ferritic heat-resisting steel.

Career Highlights

Throughout his career, Tanaka has worked with prominent companies such as Nippon Steel Corporation and Toyota Motor Corporation. His experience in these leading organizations has contributed to his expertise and innovative capabilities in engineering and technology.

Collaborations

Tanaka has collaborated with esteemed colleagues, including Yutaka Sadano and Mikio Yamanaka. Their joint efforts have further advanced the development of technologies in their respective fields.

Conclusion

Takashi Tanaka's contributions to innovation in motor drive technology and welding materials highlight his importance as an inventor. His patents reflect a commitment to enhancing efficiency and reliability in engineering applications.

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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