Osaka, Japan

Mamoru Shoji

This inventor holds 142 USPTO granted patents and 4 published patent applications, plus 4 CIPO patents and 19 EPO patents, primarily in Optical Information Recording (CPC class 3692753). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 1998-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mamoru Shoji. Retrieved from https://idiyas.com/inventor/mamoru-shoji

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

USPTO Granted Patents = 142 

% Patents Active = 81.0


 

Average Co-Inventor Count = 3.9

ph-index = 19

Forward Citations = 1,115(Granted Patents)

Forward Citations (Not Self Cited) = 1,007(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Takatsuki, JP (1998 - 1999)
  • Sakai, JP (2000 - 2012)
  • Okayama, JP (2013)
  • Osaka, JP (2003 - 2015)

Company Filing History:


Years Active: 1998-2015

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Areas of Expertise:
Optical Disc
Information Recording Medium
Recording Apparatus
Reproduction Method
Multi-Layered Media
Optical Storage
Recording Power
Data Efficiency
Optical Disc Drive
Manufacturing Method
Recording Device
Signal Processing
142 patents (USPTO):Explore Patents

Title: Mamoru Shoji: Innovating the World through Patents

Introduction:

Mamoru Shoji, a renowned inventor and patent holder, hails from Osaka, Japan. With an impressive repertoire of 138 patents, Shoji has made significant contributions to the field of information recording and reproducing apparatus. This article delves into his latest patents, career highlights, collaborations, and sheds light on his invaluable work.

Latest Patents:

Shoji's latest patents revolve around the development of disk-shaped information recording media, disk cartridges, and information recording/reproducing apparatus. In his groundbreaking inventions, he demonstrates a novel approach to constructing these essential components. The patents describe the use of substrates with varying thickness, film forming regions, rib structures, and cylinder portions. Moreover, he emphasizes the significance of incline surfaces in improving functionality. Shoji's innovative concepts pave the way for more efficient data storage and retrieval systems.

Career Highlights:

Shoji's career is deeply rooted in his association with two prominent companies- Matsushita Electric Industrial Co., Ltd. (now known as Panasonic Corporation). During his tenure, he exhibited an unwavering commitment to pushing the boundaries of technological innovation. By dedicating his expertise to the research and development departments, Shoji made invaluable contributions to elevate the performance and reliability of their products.

Collaborations:

Shoji's creative prowess did not go unnoticed, as he collaborated with esteemed colleagues, Takashi Ishida and Atsushi Nakamura, on several projects. The synergy created by such collaborations enabled the convergence of diverse perspectives and expertise, resulting in the development of revolutionary ideas. Their collective efforts played a crucial role in accomplishing advancements in information recording and reproducing systems.

Conclusion:

Mamoru Shoji's exceptional talent and relentless pursuit of innovation have indelibly shaped the landscape of information recording and reproducing apparatus. Through his 138 patents, he has paved the way for groundbreaking advancements in the field. Shoji's work showcases his commitment to developing efficient and reliable systems for storing and accessing information. As a true visionary, his contributions have left an indelible mark on the industry, inspiring future generations to push the boundaries of technological possibilities.

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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