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For the Inventor, By the Inventor

Kanagawa, Japan

Shoei Kobayashi

This inventor holds 104 USPTO granted patents and 2 published patent applications, plus 4 CIPO patents and 5 EPO patents, primarily in Optical Disc Technology (CPC class 3692753). Top assignees: Sony Corporation, Koninklijke Philips Corporation N.v., Panasonic Corporation. Active years: 1988-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoei Kobayashi. Retrieved from https://idiyas.com/inventor/shoei-kobayashi

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

Calculating rank
USPTO Granted Patents = 104 

% Patents Active = 50.0



Average Co-Inventor Count = 1.9

ph-index = 15

Forward Citations = 844(Granted Patents)

Forward Citations (Not Self Cited) = 749(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Shinagawa, JP (1988)
  • Kanawaga, JP (1998)
  • Shinagawa-Ku, JP (2003 - 2007)
  • Kanagawa, JP (1991 - 2014)
  • Tokyo, JP (2008 - 2014)

Company Filing History:

goldMedal101 out of 58,147 
 
Sony Corporation
 patents
silverMedal14 out of 21,910 
 
Koninklijke Philips Corporation N.v.
 patents
bronzeMedal10 out of 16,454 
 
Panasonic Corporation
 patents
4. 8 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
5. 3 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
6. 2 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
7. 2 out of 8,267 
 
Tdk Corporation
 patents
8. 1 out of 21 
 
Koninklijke Philips Electronics N.v.
 patents
where one patent can have more than one assignee

Years Active: 1988-2014

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Areas of Expertise:
Optical Disc
Recording Method
Playback Apparatus
Information Recorder
Reproduction Method
Manufacturing Method
Recording Medium
Disk Drive
Reproducing Device
Address Information
Evaluation Method
Multi-Layer Medium
104 patents (USPTO):Explore Patents
1. 8913473 - Information recorder, information reproducer, recording media manufacturing system, and information recording media, method and program (2014-12-16),
2. 8811140 - Recordable optical disc, recording device, and recording method (2014-08-19),
3. 8760985 - Manufacturing method for optical disc, optical disc, playback method for optical disc, playback apparatus for optical disc, recording apparatus for optical disc (2014-06-24),
4. 8755261 - Optical information recording medium and optical information recording medium playback apparatus (2014-06-17),
5. 8750084 - Manufacturing method for optical disc, optical disc, playback method for optical disc, playback apparatus for optical disc, recording apparatus for optical disc (2014-06-10),
6. 8724437 - Manufacturing method for optical disc, optical disc, playback method for optical disc, playback apparatus for optical disc, recording apparatus for optical disc (2014-05-13),
7. 8705329 - Manufacturing method for optical disc, optical disc, playback method for optical disc, playback apparatus for optical disc, recording apparatus for optical disc (2014-04-22),
8. 8570847 - Recording medium manufacturing device and method (2013-10-29),
9. 8565055 - Method of, and apparatus for, recording address information to disc medium (2013-10-22),
10. 8553511 - Disk recording medium, disk production method, disk drive apparatus (2013-10-08),
11. 8514682 - Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same (2013-08-20),
12. 8498185 - Manufacturing method for optical disc, optical disc, playback method for optical disc, playback apparatus for optical disc, recording apparatus for optical disc (2013-07-30),
13. 8391123 - Optical recording medium including multiple layers and a pre-write area (2013-03-05),
14. 8379499 - Disc recording medium, disk drive apparatus, reproduction method, and disk manufacturing method (2013-02-19),
15. 8363531 - Recordable optical disk, recording device, recording method, and reproduction device (2013-01-29),

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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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