Ibaraki, Japan

Seijiro Takeda

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seijiro Takeda. Retrieved from https://idiyas.com/inventor/seijiro-takeda

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Ibaraki, JP (1987)
  • Toukai, JP (1987)

Company Filing History:


Years Active: 1987

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2 patents (USPTO):Explore Patents

Title: Seijiro Takeda: Innovator in Pressure Sensor Technology

Introduction

Seijiro Takeda is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of pressure sensor technology, holding a total of 2 patents. His innovative work has paved the way for advancements in various applications, showcasing his expertise and dedication to engineering.

Latest Patents

Takeda's latest patents include a pressure sensor and a method of arranging a pressure sensor. The first patent describes a flange provided on a tubular metallic member that is coupled by glass bonding to a glass base, where a strain gauge is fixed. This design allows the flange to contact a receptacle step formed in a housing section, while pressurizing a metal ring in the housing section to cause plastic deformation of part of the ring material into a coupling groove. This innovative method effectively couples the metal ring and the housing. His second patent involves a semiconductor pressure transducer, where a semiconductor strain gauge is placed in a recessed chamber of a housing. The design includes a step in the recessed chamber with minute grooves in the inner peripheral portion, allowing for a metal disk with a pressure introducing bore to be clamped to the grooves through plastic deformation, ensuring a hermetic seal with the diaphragm.

Career Highlights

Seijiro Takeda has built a successful career at Hitachi, Ltd., where he has been able to apply his inventive skills to develop cutting-edge technologies. His work has not only contributed to the company's reputation but has also advanced the field of pressure sensors significantly.

Collaborations

Throughout his career, Takeda has collaborated with notable colleagues, including Kazuhiro Tsuruoka and Norio Ichikawa. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Seijiro Takeda's contributions to pressure sensor technology exemplify his commitment to innovation and engineering excellence. His patents reflect a deep understanding of the complexities involved in sensor design, making him a valuable asset to the field.

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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