logo

For the Inventor, By the Inventor

Tokyo, Japan

Masayuki Sakai

This inventor holds 78 USPTO granted patents and 6 published patent applications and 10 EPO patents, primarily in Magnetic Gear Technology (CPC class H04N). Top assignees: Fujifilm Corporation, Canon Kabushiki Kaisha, Fuji Photo Film Company, Limited. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Sakai. Retrieved from https://idiyas.com/inventor/masayuki-sakai

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

USPTO Granted Patents = 78 

% Patents Active = 94.9

 

Average Co-Inventor Count = 1.3

ph-index = 13

Forward Citations = 544(Granted Patents)

Forward Citations (Not Self Cited) = 445(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Toyko, JP (2006)
  • Minato-ku, JP (2013 - 2014)
  • Yokohama, JP (2017 - 2020)
  • Tokyo, JP (1996 - 2024)
  • Kanagawa, JP (2011 - 2024)
  • Saitama, JP (2014 - 2024)
  • Ashigarakami-gun, JP (2024)

Company Filing History:

goldMedal46 out of 16,916 
 
Fujifilm Corporation
 patents
silverMedal13 out of 92,901 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal9 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
4. 6 out of 4,741 
 
Mitsubishi Heavy Industries Limited
 patents
5. 2 out of 172 
 
Mitsubishi Heavy Industries Thermal Systems, Ltd.
 patents
6. 1 out of 1,057 
 
Clarion Co
 patents
7. 1 out of 1,816 
 
Mitsui Chemicals, Inc.
 patents

Years Active: 1996-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Magnetic Geared Electrical Machine
Power Generation System
Vehicle Air Conditioning
Electric Fan
Digital Camera
Instant Camera
Scroll Compressor
Strobe Light
Printer
Camera Design
Magnetic Gear
Fin Arrangement
78 patents (USPTO):Explore Patents
1. 12747029 - Electric propulsion device with hollow shaft and cooling blades and support body with heat member on outer surface (2026-09-29),
2. 12703190 - Printer (2026-08-11),
3. 12609594 - Magnetic geared electrical machine, power generation system, and drive system (2026-04-21),
4. 12447799 - Vehicle air conditioning system and vehicle air conditioning method (2025-10-21),
5. 12431781 - Magnetic geared electrical machine and power generation system (2025-09-30),
6. 12413129 - Magnetic geared electrical machine and power generation system using the same (2025-09-09),
7. 12384554 - Electric fan and electric aircraft (2025-08-12),
8. 12355925 - Digital camera with printer (2025-07-08),
9. 12332584 - Image forming apparatus having toner replenishment (2025-06-17),
10. 12206311 - Outer diameter side magnet field and magnetic gear (2025-01-21),
11. 12123415 - Scroll compressor housing with fin arrangement (2024-10-22),
12. 12099323 - Power supply apparatus for supplying various voltages and image forming apparatus operating on voltage supplied from power supply apparatus (2024-09-24),
13. 12032308 - Image forming apparatus (2024-07-09),
14. 12023943 - Printer (2024-07-02),
15. 11985275 - Digital camera with printer (2024-05-14),

Title: The Innovative Mind of Masayuki Sakai

Introduction: Masayuki Sakai is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masayuki Sakai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Masayuki Sakai has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Masayuki Sakai has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Masayuki Sakai's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and entrepreneurs worldwide.

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]
Loading…