Musashino, Japan

Yasutake Hirachi

This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignees: Fujitsu Corporation, Olympus Optical Company, Ltd.. Active years: 1989-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasutake Hirachi. Retrieved from https://idiyas.com/inventor/yasutake-hirachi

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 = 2.0

ph-index = 5

Forward Citations = 168(Granted Patents)


Location History:

  • Tokyo, JP (1989 - 1999)
  • Musashino, JP (1991 - 2001)

Company Filing History:


Years Active: 1989-2001

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6 patents (USPTO):Explore Patents

Title: Yasutake Hirachi: Innovator in Semiconductor Technology

Introduction

Yasutake Hirachi is a prominent inventor based in Musashino, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of six patents. His work focuses on the integration of semiconductor circuits with antenna elements, particularly for millimeter-wave applications.

Latest Patents

Hirachi's latest patents include a hermetically sealed semiconductor module composed of a semiconductor integrated circuit and an antenna element. This innovative module is designed for use in systems operating within the band of millimeter-waves or quasi-millimeter-waves. The module features a substrate on which both the antenna element and the semiconductor integrated circuit are mounted. The integrated circuit includes transmitter and receiver signal processing circuits, which are essential for processing signals transmitted to and received from the antenna element. The hermetically sealing portion ensures that the antenna element and the integrated circuit are securely enclosed while maintaining the necessary radio wave transmissivity.

Another notable patent is a semiconductor module that incorporates a compact antenna element capable of providing desired directivity. This module employs a convergent lens to improve directivity for millimeter waves, allowing for precise control over the direction of radio wave radiation and reception.

Career Highlights

Throughout his career, Yasutake Hirachi has worked with leading companies in the technology sector, including Fujitsu Corporation and Olympus Optical Company, Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Hirachi has collaborated with notable colleagues such as Toshio Yamamoto and Kohki Hikosaka. Their combined efforts have further advanced the development of semiconductor technologies and applications.

Conclusion

Yasutake Hirachi's contributions to semiconductor technology, particularly in the integration of antenna elements and integrated circuits, have positioned him as a key innovator in the field. His patents reflect a commitment to advancing technology for millimeter-wave applications, showcasing his significant impact on the industry.

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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