Chigasaki, Japan

Hideo Arai

This inventor holds 27 USPTO granted patents, primarily in Digital Information Processing. Top assignees: Hitachi, Ltd., Hitachi Consumer Electronics Co., Ltd.. Active years: 1993-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Arai. Retrieved from https://idiyas.com/inventor/hideo-arai

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


% Patents Active = 59.3

Average Co-Inventor Count = 5.6

ph-index = 5

Forward Citations = 103(Granted Patents)


Location History:

  • Yokohama, JP (2003 - 2005)
  • Chigasaki, JP (1993 - 2011)

Company Filing History:


Years Active: 1993-2011

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Areas of Expertise:
Digital Information
Audio Transmission
Video Transmission
Recording Apparatus
Reproducing Apparatus
Signal Processing
Error Correction
Motion Picture
Compressed Data
Digital Recording
Transmission Method
Information Systems
27 patents (USPTO):Explore Patents

Title: Hideo Arai: Innovator in Digital Information Technology

Introduction: Hideo Arai, a prominent inventor based in Chigasaki, Japan, has made significant contributions to the field of digital information technology. With an impressive portfolio of 27 patents, Arai has focused on innovations that enhance the way digital audio and video information is received and transmitted. His work has had a considerable impact on various industries, particularly in the realms of telecommunications and consumer electronics.

Latest Patents: Among Hideo Arai's notable patents are two recent innovations that exemplify his expertise in digital communication systems. The first, titled "Apparatus and Method for Receiving and Recording Digital Information," describes a digital information receiving apparatus designed to process both video and audio signals. This invention utilizes a unique approach by employing different bit-compression methods for video and audio, ensuring optimized transmission and reception. The second patent, "Method for Transmitting Digital Audio and Video Information," outlines a comprehensive process for sending digital audio and video across a transmission path. This method not only compresses these signals but also incorporates error-detection information to enhance reliability.

Career Highlights: Hideo Arai has built a distinguished career within notable companies, including Hitachi, Ltd. and Hitachi Consumer Electronics Co., Ltd. His experience in these firms has undoubtedly influenced his innovative pursuits and allowed him to contribute to advancements in consumer electronics and digital systems.

Collaborations: Throughout his career, Arai has had the opportunity to collaborate with esteemed colleagues, such as Keizo Nishimura and Hitoaki Owashi. These collaborations have enriched his work and fostered an environment of shared knowledge and innovation.

Conclusion: Hideo Arai stands out as a pioneering inventor whose contributions to digital information technology have set new standards in the industry. With a robust portfolio of patents and collaborations with fellow innovators, Arai continues to drive progress in the field, shaping the future of how we receive and transmit digital content.

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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