logo

For the Inventor, By the Inventor

Kanagawa, Japan

Ryuichiro Hisamatsu

This inventor holds 3 USPTO granted patents. Top assignee: Sony Corporation. Active years: 2008-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuichiro Hisamatsu. Retrieved from https://idiyas.com/inventor/ryuichiro-hisamatsu

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

USPTO Granted Patents = 3

Average Co-Inventor Count = 5.1

ph-index = 2

Forward Citations = 38(Granted Patents)


Company Filing History:

goldMedal3 out of 58,145 
 
Sony Corporation
 patents

Years Active: 2008-2011

Loading Chart...
3 patents (USPTO):Explore Patents
1. 8074254 - Recording device, playback device, recording method and playback method (2011-12-06),
2. 7493648 - Data transmission device, data receiving device, data transmitting method, data receiving method, recording device, playback device, recording method, and playback method (2009-02-17),
3. 7467097 - Business management method, business management apparatus and data broadcast delivery method (2008-12-16),

Title: Ryuichiro Hisamatsu: Innovator in Data Transmission Technology

Introduction

Ryuichiro Hisamatsu is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of data transmission technology, holding a total of 3 patents. His work primarily focuses on enhancing the efficiency and functionality of recording and playback devices.

Latest Patents

Hisamatsu's latest patents include innovative technologies related to recording devices, playback devices, and methods for both recording and playback. One of his key inventions involves a data transmission device that utilizes a narrow unused broadcasting band in digital broadcasts. This device allows for the recording of data broadcasts on the receiving side, enabling playback after the data stream has been fully recorded. The transmission device generates a first data stream, which is recorded on a medium, and a second data stream that includes audio and video data, transmitted as a broadcasting program. Hisamatsu's technology ensures that the transmission rate for the multiplexed data stream does not exceed the maximum transmission rate, optimizing the efficiency of data transmission.

Career Highlights

Ryuichiro Hisamatsu is currently employed at Sony Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of data transmission and recording technologies, making significant impacts in the industry.

Collaborations

Hisamatsu has collaborated with notable colleagues, including Takamichi Mitsuhashi and Tadashi Saito. These collaborations have further enriched his work and contributed to the development of cutting-edge technologies in data transmission.

Conclusion

Ryuichiro Hisamatsu is a prominent figure in the field of data transmission technology, with a focus on improving recording and playback methods. His innovative patents and contributions to Sony Corporation highlight his commitment to advancing technology in this area.

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]
Loading…