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For the Inventor, By the Inventor

Hirakata, Japan

Ryo Akiyama

This inventor holds 8 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1980-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryo Akiyama. Retrieved from https://idiyas.com/inventor/ryo-akiyama-l03ekxuv

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 139(Granted Patents)


Location History:

  • Sakai, JP (1980 - 1982)
  • Hirakata, JP (1989 - 1995)

Company Filing History:

goldMedal8 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1980-1995

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8 patents (USPTO):Explore Patents
1. 5382776 - Combination of an optical-disk and barcode memory medium for use with an (1995-01-17),
2. 5250787 - Optical-disk playback apparatus, method of optical-disk playback and (1993-10-05),
3. 5117410 - Optical disc apparatus with rapid and stable accessing capability (1992-05-26),
4. 5073881 - Optical disc apparatus with rapid and stable accessing capability (1991-12-17),
5. 4864553 - Apparatus for controlling rotation of a run length limited code (1989-09-05),
6. 4809094 - Method of accessing data recorded on a disk at a high speed (1989-02-28),
7. 4360767 - Motor speed control apparatus (1982-11-23),
8. 4211967 - Motor speed adjusting apparatus (1980-07-08),

Title: Ryo Akiyama: Innovator in Optical-Disk Technology

Introduction

Ryo Akiyama is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of optical-disk technology, holding a total of 8 patents. His innovative work has paved the way for advancements in how optical disks and barcodes can be utilized together.

Latest Patents

Akiyama's latest patents focus on the combination of optical disks and barcode memory mediums. One of his notable inventions is an optical-disk playback apparatus that plays back an optical disk containing control programs. These programs define the operations of the playback apparatus and other essential information. The apparatus operates by integrating an optical disk, such as a laser disk or CD, with printed materials featuring barcodes. This innovative approach allows for variable, complex, and flexible playback operations that are not fixed at the initial design stage. By simply tracing the printed barcode, users can control the playback apparatus effectively. Furthermore, Akiyama's design ensures that potential difficulties arising from combining different systems are mitigated by establishing a one-to-one correspondence between the barcode and the optical disk code beforehand.

Career Highlights

Ryo Akiyama has had a successful career at Matsushita Electric Industrial Co., Ltd., where he has been instrumental in developing cutting-edge technologies. His work has not only enhanced the functionality of optical-disk playback systems but has also contributed to the overall advancement of multimedia technology.

Collaborations

Akiyama has collaborated with notable colleagues, including Kouji Arii and Tetsuo Tomimoto. Their combined expertise has further enriched the innovative projects they have undertaken together.

Conclusion

Ryo Akiyama's contributions to optical-disk technology exemplify the spirit of innovation. His patents reflect a deep understanding of the interplay between hardware and software, leading to more versatile playback systems. Akiyama's work continues to influence the field and inspire future advancements in technology.

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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