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For the Inventor, By the Inventor

Yokohama, Japan

Hiroyuki Hayakawa

This inventor holds 7 USPTO granted patents. Top assignees: Hitachi, Ltd., Other. Active years: 1999-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hayakawa. Retrieved from https://idiyas.com/inventor/hiroyuki-hayakawa

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 5

Forward Citations = 138(Granted Patents)


Location History:

  • Yokohama, JP (1999 - 2004)
  • Tokyo, JP (2007)

Company Filing History:

goldMedal6 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 834,570 
Other
 patents

Years Active: 1999-2007

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7 patents (USPTO):Explore Patents
1. 7196986 - Digital information processing method (2007-03-27),
2. 6816444 - Method and apparatus for digital information processing (2004-11-09),
3. 6445654 - Recording/reproducing method and device with supplementary data storage and output (2002-09-03),
4. 6363210 - Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signal (2002-03-26),
5. 6249532 - Interactive chargeable communication system with billing system therefor (2001-06-19),
6. 6002694 - Interactive chargeable communication system with billing system therefor (1999-12-14),
7. 5903704 - Apparatus for selectively recording and reproducing received analog and (1999-05-11),

Title: Hiroyuki Hayakawa: Innovator in Digital Information Processing

Introduction

Hiroyuki Hayakawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of digital information processing, holding a total of 7 patents. His innovative work has paved the way for advancements in content access methods and apparatuses.

Latest Patents

Hayakawa's latest patents include a digital information processing method that features a content access method and apparatus. This method involves decompressing an input stream read from a storage medium to produce an output signal. The output signal is then multiplexed with timing information that differs from the timing information contained in the input stream. This innovative approach enhances the efficiency and effectiveness of digital information processing.

Career Highlights

Throughout his career, Hayakawa has worked with notable companies, including Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the digital realm.

Collaborations

Hayakawa has collaborated with esteemed colleagues such as Hitoaki Owashi and Kyoichi Hosokawa. These partnerships have fostered a creative environment that has led to the development of innovative solutions in digital information processing.

Conclusion

Hiroyuki Hayakawa's contributions to digital information processing are noteworthy and impactful. His patents and collaborations reflect his dedication to innovation in technology. His work continues to influence the field and inspire future advancements.

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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