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.

USPTO Granted Patents = 104 (Patent Applications = 2)

% Patents Active = 50.0

CIPO Patents = 4

EPO Patents = 5

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:

Koninklijke Philips Corporation N.v.

patents

10 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.

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):Sort by Forward CitationsExplore 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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