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For the Inventor, By the Inventor

Tsurugashima, Japan

Yoshiaki Moriyama

This inventor holds 85 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Information Recording (CPC class H04N5-91). Top assignees: Pioneer Electronic Corporation, Pioneer Corporation, Pioneer Electric Corporation. Active years: 1985-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Moriyama. Retrieved from https://idiyas.com/inventor/yoshiaki-moriyama

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

USPTO Granted Patents = 85 

% Patents Active = 82.4


Average Co-Inventor Count = 3.3

ph-index = 25

Forward Citations = 2,419(Granted Patents)

Forward Citations (Not Self Cited) = 2,399(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tusurgashima, JP (1998)
  • Takorozawa, JP (1999 - 2000)
  • Saitama-ken, JP (1999 - 2008)
  • Tokorozawa, JP (1985 - 2010)
  • Tsurugashima, JP (1995 - 2010)
  • Hidaka, JP (2011)
  • Saitama, JP (1986 - 2012)

Company Filing History:

goldMedal61 out of 2,861 
 
Pioneer Electronic Corporation
 patents
silverMedal13 out of 2,678 
 
Pioneer Corporation
 patents
bronzeMedal5 out of 66 
 
Pioneer Electric Corporation
 patents
4. 4 out of 42,726 
 
Hitachi, Ltd.
 patents
5. 3 out of 30 
 
Pioneer Electronics Corporation
 patents
6. 2 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
7. 2 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
8. 2 out of 3 
 
Pioneer Ldc, Inc.
 patents
9. 2 out of 58,145 
 
Sony Corporation
 patents
10. 1 out of 3 
 
Pioneer Electronic Coporation
 patents
11. 2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2012

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Areas of Expertise:
Information Recording Medium
Digital Watermarking
Electronic Device Control
Data Transmission
Copy Protection
Navigation Information
Copy Control
Signal Generation
Reproduction Control
Information Output
Data Embedding
High-Speed Distribution
85 patents (USPTO):Explore Patents
1. 8139877 - Image processing apparatus, image processing method, and computer-readable recording medium including shot generation (2012-03-20),
2. RE42506 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2011-06-27),
3. 7840117 - Information recording medium, apparatus for recording the same and apparatus for reproducing the same (2010-11-23),
4. 7783158 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2010-08-24),
5. 7706224 - Information recording medium, information reading apparatus and information recording apparatus (2010-04-27),
6. 7684569 - Electronic device control system and method and electronic device, and control apparatus (2010-03-23),
7. 7653290 - Information outputting apparatus and information outputting method, information recording apparatus and information recording method, information outputting recording system and information recording medium (2010-01-26),
8. 7587048 - Information output/recording apparatus/method for outputting recording information together with copy control information and recording the information therein in a high speed distribution environment (2009-09-08),
9. 7424128 - Electronic watermark embedding apparatus, electronic watermark embedding method, record medium having electronic watermark and manufacturing method of record medium (2008-09-09),
10. 7398010 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2008-07-08),
11. RE40312 - Digital data transmitting method (2008-05-12),
12. 7346270 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2008-03-18),
13. 7295762 - Information record medium having first and second recording layers in which mid areas are recorded respectively, and apparatus for recording the same (2007-11-13),
14. 7280983 - Information recording medium having reproduction control program recorded thereon and reproduction control program (2007-10-09),
15. 7242848 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2007-07-10),

Title: The Innovative Mind of Yoshiaki Moriyama

Introduction

Yoshiaki Moriyama, a prominent inventor based in Tsurugashima, Japan, has made significant contributions to the field of image processing. With an impressive portfolio of 85 patents, his work continues to influence technology and innovation.

Latest Patents

Moriyama's recent patents showcase his expertise in image processing applications. One notable invention is an image processing apparatus that features a shot splitting unit, shot detecting unit, and multiple shot-generating units to enhance encoding efficiency. This invention splits moving images into multiple shots and utilizes a unique method for correcting and encoding these shots effectively. Another significant patent is for an information recording apparatus, which manages signal processes and records information efficiently on mediums. This apparatus not only generates recording position information but also multiplexes processed information to optimize recording on various reproduction units.

Career Highlights

Throughout his career, Yoshiaki Moriyama has worked with esteemed companies, including Pioneer Electronics Corporation and Pioneer Corporation. His innovative work at these organizations has propelled advancements in audio-visual technology and established him as a leading figure in the industry.

Collaborations

Moriyama has collaborated with notable colleagues such as Takao Sawabe and Junichi Yoshio. These partnerships have fostered creative ideas and advancements, further enhancing the impact of their collective work in image processing and information technology.

Conclusion

Yoshiaki Moriyama's dedication to innovation and his impressive patent portfolio underscore his significant role in advancing image processing technology. As he continues to push the boundaries of the field, his contributions will undoubtedly inspire future generations of inventors and technologists.

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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