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For the Inventor, By the Inventor

Nagano, Japan

Toshifumi Sakai

This inventor holds 42 USPTO granted patents and 6 published patent applications and 6 EPO patents, primarily in Printing Technology. Top assignee: Seiko Epson Corporation. Active years: 2011-2026.

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

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

USPTO Granted Patents = 42 

% Patents Active = 85.7

 

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 31(Granted Patents)


Location History:

  • Shioziri, JP (2011 - 2012)
  • Shiojiri, JP (2011 - 2024)
  • Nagano, JP (2018 - 2024)

Company Filing History:

goldMedal42 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2011-2026

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Areas of Expertise:
Printing System
Printed Matter
Multifunction Device
Display Control
Scanning System
Liquid Ejecting Head
Image Data
Job Execution
Print Management
Two-Color Copying
Machine Learning Model
Receipt Processing
42 patents (USPTO):Explore Patents
1. 12746720 - Printing system and method of producing replica (2026-09-29),
2. 12688630 - Printed matter production system and non-transitory computer-readable storage medium storing signature image production program (2026-07-21),
3. 12456026 - Printing system and printed matter production method (2025-10-28),
4. 12309331 - Method executing function via scanner to display first button causing screen transition to setting screen, second and third buttons causing scanner to perform scan, non-transitory computer-readable storage medium storing program for display function (2025-05-20),
5. 12153842 - Printing device, non-transitory computer- readable storage medium storing program, and printing method (2024-11-26),
6. 12106000 - Printed material production system, printing method, and non-transitory computer-readable storage medium storing printed material production program (2024-10-01),
7. 12008281 - Job execution device (2024-06-11),
8. 11914908 - Print management system and print management method (2024-02-27),
9. 11849096 - Printer for two-color copying (2023-12-19),
10. 11789678 - Printing apparatus and printing system (2023-10-17),
11. 11738566 - Printing program and producing method for print (2023-08-29),
12. 11722612 - Multifunction device, display control method of multifunction device, and non-transitory computer-readable storage medium storing display control program (2023-08-08),
13. 11720293 - Printing apparatus and method of producing printed item (2023-08-08),
14. 11654696 - Printing apparatus (2023-05-23),
15. 11590767 - Printing program and producing method for print (2023-02-28),

Title: Toshifumi Sakai: Pioneering Inventor from Nagano

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

Latest Patents: Sakai's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

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

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

Conclusion: Toshifumi Sakai's dedication to innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and engineers 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]
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