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For the Inventor, By the Inventor

Yokohama, Japan

Takeho Miyashita

This inventor holds 54 USPTO granted patents and 22 published patent applications and 14 EPO patents, primarily in Liquid Ejection Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeho Miyashita. Retrieved from https://idiyas.com/inventor/takeho-miyashita

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

USPTO Granted Patents = 54 

% Patents Active = 96.3

 

Average Co-Inventor Count = 6.5

ph-index = 15

Forward Citations = 571(Granted Patents)

Forward Citations (Not Self Cited) = 300(Dec 10, 2025)


Location History:

  • Kawasaki, JP (2013)
  • Machida, JP (2013 - 2015)
  • Tokyo, JP (2020)
  • Yokohama, JP (2017 - 2023)
  • Kanagawa, JP (2023)

Company Filing History:

goldMedal52 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 2013-2026

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Areas of Expertise:
Liquid Ejection Head
Ink Cartridge
Printing Apparatus
Liquid Discharge Head
Liquid Storage Container
Recording Apparatus
Liquid Supplying Mechanism
Blow Bottle
Pad Electrode
Air Communication Passage
Liquid Container Unit
Notification Device
54 patents (USPTO):Explore Patents
1. 12661902 - Liquid ejection head and liquid ejection apparatus (2026-06-23),
2. 12558907 - Print head, head cartridge, and printing apparatus (2026-02-24),
3. 12454136 - Liquid ejection head and liquid ejection apparatus (2025-10-28),
4. 12415365 - Liquid ejection head and liquid ejection apparatus (2025-09-16),
5. 12415364 - Liquid ejection head and liquid ejection apparatus (2025-09-16),
6. 12397559 - Liquid discharge head and liquid discharge apparatus (2025-08-26),
7. 12384160 - Liquid ejection head and liquid ejection apparatus (2025-08-12),
8. 12285955 - Liquid ejection head and liquid ejection apparatus (2025-04-29),
9. 12134273 - Liquid discharge head (2024-11-05),
10. 12115796 - Member including pad electrode, ink cartridge, recording apparatus (2024-10-15),
11. 11833834 - Member including pad electrode, ink cartridge, recording apparatus (2023-12-05),
12. 11787189 - Liquid ejecting head and liquid ejecting apparatus (2023-10-17),
13. 11685163 - Member including pad electrode, ink cartridge and recording apparatus (2023-06-27),
14. 11642892 - Member including pad electrode, ink cartridge, recording apparatus (2023-05-09),
15. 11623453 - Liquid storage container and liquid ejection apparatus (2023-04-11),

Title: Takeho Miyashita: Innovator in Print Technology

Introduction

Takeho Miyashita is a prolific inventor based in Yokohama, Japan, holding an impressive total of 43 patents. His work primarily revolves around innovations in print technology, particularly in design elements that enhance the functionality of printing devices.

Latest Patents

Among his recent inventions are groundbreaking patents that focus on components integral to recording apparatuses. One notable patent describes a member that includes pad electrodes and is designed to be mountable to a portion equipped with an ink receiving tube and multiple electrical connecting portions. The design features a first portion with an outwardly facing surface and an inserting portion for the ink receiving tube. This innovative member streamlines the connection of pad electrodes with electrical components, thereby improving operational efficiency in recording devices.

Career Highlights

Takeho Miyashita's career spans several years with Canon Kabushiki Kaisha, a leading company in imaging and printing solutions. His extensive portfolio of patents reflects his dedication to advancing the technology in his field and his commitment to innovation in print mechanisms. His contributions have significantly impacted the functionality and usability of modern printers.

Collaborations

In his journey as an inventor, Miyashita has worked alongside esteemed colleagues, including Yasuo Kotaki and Tetsuya Ohashi. Their collaborative efforts have led to the development of cutting-edge technologies that continuously push the boundaries of what's possible in the printing industry.

Conclusion

In summary, Takeho Miyashita stands out as a key figure in the printing technology sector. His impressive number of patents showcases his innovative spirit and commitment to refining the ways we interact with printing devices. The ongoing contributions of inventors like Miyashita are essential in driving the future of technology and enhancing user experiences across various applications.

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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