Yokohama, Japan

Yoshiaki Shirato

This inventor holds 31 USPTO granted patents, primarily in Ink Jet Technology. Top assignees: Canon Kabushiki Kaisha, Canon Kabushiki Kaisha Toshitama Hara. Active years: 1977-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Shirato. Retrieved from https://idiyas.com/inventor/yoshiaki-shirato

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 18

Forward Citations = 4,297(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Machida, JP (1987)
  • Yokohama, JP (1980 - 2001)
  • Tokyo, JP (2008)

Company Filing History:


Years Active: 1977-2008

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Areas of Expertise:
Ink Jet Recording
Droplet Generation
Electro-Thermal Transducer
Photoelectric Converting
Thermal Head
Liquid Jet Recording
Recording Apparatus
Facsimile Recording
Electrochromic Device
Thermal Propulsion
Image Reading
Recording Head
31 patents (USPTO):Explore Patents

Title: Yoshiaki Shirato: A Pioneer in Ink Jet Technology

Introduction

Yoshiaki Shirato, a renowned inventor based in Yokohama, Japan, has made significant contributions to the field of inkjet technology. With an impressive portfolio of 31 patents, his innovative work has greatly advanced the capabilities of inkjet recording systems.

Latest Patents

Shirato's latest patents focus on enhancing the efficiency and precision of inkjet printing. One of his notable inventions is an ink jet recording apparatus and method utilizing an ink jet head with U-shaped wiring. This invention involves a recording head featuring multiple discharge openings and liquid passageways, designed to discharge ink effectively. The technology permits individual control over heat generating members using pairs of electrodes, which applies voltage selectively to create thermal energy, resulting in the rapid formation of bubbles that propel the ink.

Another significant patent defines a liquid droplet forming method that employs a multi-part drive signal, optimizing the operation of thermal elements within the recording head. This method ensures that each block of thermal elements operates in a time-division manner, allowing for precise control over droplet ejection and improving print quality.

Career Highlights

Throughout his career, Yoshiaki Shirato has collaborated with prominent companies in the industry, particularly Canon Inc. His experience at Canon Kabushiki Kaisha and Canon Kabushiki Kaisha Toshitama Hara has provided him with a platform to refine his inventive skills and contribute to groundbreaking developments in inkjet technology.

Collaborations

Shirato has worked alongside distinguished colleagues including Yasushi Takatori and Toshitami Hara, contributing to a collaborative environment that fosters creativity and innovation within the realm of inkjet technology. These partnerships underscore the importance of teamwork in driving advancements in printing technology.

Conclusion

Yoshiaki Shirato's contributions to inkjet technology through his 31 patents exemplify his innovative spirit as an inventor. His latest advancements not only enhance the functionality of inkjet systems but also pave the way for future developments in the field. As the technology continues to evolve, Shirato's work remains a vital reference for aspiring inventors and engineers alike in the world of printing technology.

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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