Hiroharu Satoh

This inventor holds 12 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Nec Corporation. Active years: 1995-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroharu Satoh. Retrieved from https://idiyas.com/inventor/hiroharu-satoh

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

USPTO Granted Patents = 12

% Patents Active = 58.3

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 128(Granted Patents)

Location History:

Hongo, JP (1999)
Tokyo, JP (1995 - 2010)

Company Filing History:

12 out of 53,262

Kabushiki Kaisha Toshiba

where one patent can have more than one assignee

Years Active: 1995-2010

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7817528 - Optical disk medium and optical disk apparatus (2010-10-19),

2. 7492696 - Optical disk medium and optical disk apparatus (2009-02-17),

3. 7453780 - Information recording medium, information recording/reproducing apparatus and information management method (2008-11-18),

4. 7336576 - Optical disk medium and optical disk recording/reproducing apparatus utilizing tilt detection areas having special marks (2008-02-26),

5. 6795381 - Multi-body multi-purpose information processing apparatus (2004-09-21),

6. 5930227 - Optical disk having an evaluation pattern for evaluating the optical disk (1999-07-27),

7. 5903531 - Reproduction device for optical disks (1999-05-11),

8. 5892751 - Optical disk having an evaluation pattern for evaluating the optical disk (1999-04-06),

9. 5848041 - Method and apparatus for recording digital signals medium for recording (1998-12-08),

10. 5719842 - Method and apparatus for recording digital signals, medium for recording (1998-02-17),

11. 5696756 - Optical disk having an evaluation pattern for evaluating the optical disk (1997-12-09),

12. 5475210 - Noise reduction system for optical record and reproduction apparatus (1995-12-12),

Title: Hiroharu Satoh: Innovator in Optical Disk Technology

Introduction

Hiroharu Satoh is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical disk technology, holding a total of 12 patents. His work has been instrumental in advancing the efficiency and functionality of optical disk mediums and apparatuses.

Latest Patents

Among his latest patents, Satoh has developed innovative optical disk mediums and apparatuses. One notable patent addresses the length of a format modulation area in an address segment, limiting it to 25% of the address-segment length or less. Additionally, the position of the format modulation area can be selected from two possible positions. This innovation ensures that, when using a Constant Linear Velocity (CLV) optical disk medium, wobble modulation areas in adjacent recording tracks do not overlap in the radius direction.

Career Highlights

Throughout his career, Hiroharu Satoh has worked with notable companies such as Kabushiki Kaisha Toshiba and NEC Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.

Collaborations

Satoh has collaborated with esteemed colleagues, including Sadanari Fujimoto and Chosaku Noda. Their combined expertise has fostered a creative environment that has led to numerous innovations in the field.

Conclusion

Hiroharu Satoh's contributions to optical disk technology have made a lasting impact on the industry. His innovative patents and collaborations with leading companies and colleagues highlight his role as a key figure in technological 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]