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For the Inventor, By the Inventor

Nagoya, Japan

Masaaki Sakamoto

This inventor holds 68 USPTO granted patents, primarily in Sliding Bearings (CPC class 4286). Top assignees: Daido Metal Company Ltd., C.uyemura Co., Ltd., Daido Metal Corporation, Ltd.. Active years: 1990-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Sakamoto. Retrieved from https://idiyas.com/inventor/masaaki-sakamoto

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

USPTO Granted Patents = 68

% Patents Active = 97.1

Average Co-Inventor Count = 4.1

ph-index = 11

Forward Citations = 463(Granted Patents)

Forward Citations (Not Self Cited) = 391(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nagoya, JP (1990 - 2006)
  • Aichi, JP (2004 - 2007)
  • Inuyama, JP (2006 - 2010)

Company Filing History:

goldMedal66 out of 436 
 
Daido Metal Company Ltd.
 patents
silverMedal1 out of 125 
 
C.uyemura Co., Ltd.
 patents
bronzeMedal1 out of 1 
 
Daido Metal Corporation, Ltd.
 patent
4. 1 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1990-2010

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Areas of Expertise:
Plain Bearing
Sliding Member
Aluminum Alloy
Copper-Lead Alloy
High-Temperature Application
Wear Resistant
Fretting Property
Corrosion Resistance
Fatigue Resistance
Sintered Bearing
Composite Plating Film
Overlay Material
68 patents (USPTO):Explore Patents
1. 7771120 - Plain bearing for internal combustion engines (2010-08-10),
2. 7572060 - Sliding bearing (2009-08-11),
3. 7234870 - Plain bearing (2007-06-26),
4. RE39613 - Half bearing with grooves preventing leakage of lubricating oil (2007-05-07),
5. 7128981 - Sliding member (2006-10-31),
6. 7074496 - Multilayer aluminum-base alloy slide member (2006-07-11),
7. 7063897 - Slide member (2006-06-20),
8. 7041387 - Multi-layered aluminum-base bearing (2006-05-09),
9. 6997612 - Sliding member (2006-02-14),
10. 6875290 - Aluminum bearing-alloy (2005-04-05),
11. 6863441 - Sliding member (2005-03-08),
12. 6740426 - Sliding member with composite plating film (2004-05-25),
13. 6695482 - Half bearing with grooves preventing leakage of lubricating oil (2004-02-24),
14. 5906311 - Secondary coil plate for linear motor and producing method of the same (1999-05-25),
15. 5895516 - Bearing alloy for high-temperature application (1999-04-20),

Title: The Innovative Journey of Masaaki Sakamoto

Introduction: Masaaki Sakamoto, a pioneering inventor hailing from Nagoya, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Sakamoto's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of innovation in these fields.

Career Highlights: With a career spanning over two decades, Sakamoto has established himself as a leading figure in the tech industry. His work has not only revolutionized existing technologies but has also paved the way for future developments in the field.

Collaborations: Throughout his career, Sakamoto has collaborated with top research institutions and leading tech companies to bring his inventions to life. His ability to work in multidisciplinary teams has led to the successful implementation of cutting-edge technologies.

Conclusion: Masaaki Sakamoto's relentless pursuit of innovation and his passion for creating technologies that shape the future make him a true visionary in the world of inventions. His impact on the tech industry is profound, and his legacy will continue to inspire generations of inventors to come.

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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