Shigemi Maeda

This inventor holds 91 USPTO granted patents and 14 published patent applications, plus 6 CIPO patents and 10 EPO patents, primarily in Optical Information Storage (CPC class 369 32). Top assignees: Sharp Kabushiki Kaisha Corporation, Tdk Corporation, Other. Active years: 1982-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigemi Maeda. Retrieved from https://idiyas.com/inventor/shigemi-maeda

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

USPTO Granted Patents = 91 (Patent Applications = 14)

% Patents Active = 59.3

CIPO Patents = 6

EPO Patents = 10 (Patent Applications = 26)

Average Co-Inventor Count = 3.2

ph-index = 15

Forward Citations = 751(Granted Patents)

Forward Citations (Not Self Cited) = 731(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Yamatokohriyama, JP (1991)
Yamatokortyama, JP (1991)
Yamatokooriyama, JP (1994 - 2001)
Nara, JP (1991 - 2004)
Yamatokoriyama, JP (1988 - 2013)
Osaka, JP (2012 - 2015)
Sakai, JP (1982 - 2020)

Company Filing History:

88 out of 25,974

Sharp Kabushiki Kaisha Corporation

3 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1982-2020

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Areas of Expertise:

Optical Information Storage

Signal Processing

Recording Method

Reproducing Device

Magnetic Recording

Information Recording

Optical Recording

Waveform Equalization

Image Watching Glasses

Control Program

Adaptive Evaluation

3D Conversion

91 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10571314 - Signal processing apparatus and signal processing method (2020-02-25),

2. 10480967 - Signal processing device and signal processing method (2019-11-19),

3. 9131203 - Information recording medium, reproduction method and recording method using information recording medium, information recording/reproduction device, and 3D conversion unit and information recording device (2015-09-08),

4. 9066095 - Display control device, display control method, display control program, computer-readable recording medium, recording/playback device equipped with abovementioned display control device, speech output device, and recording/playback device equipped with speech output device (2015-06-23),

5. 8982194 - Image watching glasses identification device, image watching system, pair of image watching glasses, image watching glasses identification program, computer-readable recording medium, and display device (2015-03-17),

6. 8976637 - Optical information storage medium reproduction apparatus and control method of the same (2015-03-10),

7. 8767516 - Optical information storage medium reproduction apparatus and control method of the same (2014-07-01),

8. 8625397 - Optical information storage medium reproduction apparatus and control method of the same (2014-01-07),

9. 8599669 - Reproduced signal quality judging method (2013-12-03),

10. 8582412 - Optical information recording medium and optical information processing apparatus (2013-11-12),

11. 8508875 - Magnetic recording/reproducing apparatus and method for determining magnetic recording condition (2013-08-13),

12. 8503278 - Information reproducing device (2013-08-06),

13. 8441905 - Optical information recording medium and optical information processing apparatus (2013-05-14),

14. 8422345 - Optical information storage medium reproduction apparatus and control method of the same (2013-04-16),

15. 8422344 - Optical information storage medium reproduction apparatus and control method of the same (2013-04-16),

Title: The Innovative Journey of Shigemi Maeda

Introduction: Shigemi Maeda, a pioneering inventor hailing from Yamatokoriyama, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Shigemi Maeda holds several patents in various fields, including technology, healthcare, and automotive industries, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Shigemi Maeda has been recognized for his innovative spirit and problem-solving skills, leading to the development of cutting-edge solutions that have revolutionized the way we live and work.

Collaborations: Shigemi Maeda has collaborated with leading research institutions, universities, and companies worldwide to further his inventions and bring them to market, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: In conclusion, Shigemi Maeda stands as a testament to the power of innovation and the impact that one individual can have on shaping the future. His relentless pursuit of excellence and passion for creating change continue to inspire inventors and innovators around the globe.

Profile summary based on public USPTO records.