Toyonori Sasaki

This inventor holds 184 USPTO granted patents, plus 5 CIPO patents and 20 EPO patents, primarily in Ink Cartridge Technology (CPC class 1802-). Top assignees: Brother Kogyo Kabushiki-Kaisha, Brother Industries, Ltd.. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyonori Sasaki. Retrieved from https://idiyas.com/inventor/toyonori-sasaki

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

USPTO Granted Patents = 184

% Patents Active = 90.8

CIPO Patents = 5

EPO Patents = 20 (Patent Applications = 8)

Average Co-Inventor Count = 1.9

ph-index = 19

Forward Citations = 1,319(Granted Patents)

Forward Citations (Not Self Cited) = 1,193(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Anjyo, JP (2002 - 2007)
Anjou, JP (1999 - 2008)
Aichi-ken, JP (2004 - 2009)
Kariya, JP (2009)
Nagoya, JP (1989 - 2010)
Anjo, JP (1993 - 2024)

Company Filing History:

118 out of 17,897

Brother Kogyo Kabushiki-Kaisha

patents

66 out of 999

Brother Industries, Ltd.

patents

Years Active: 1989-2026

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Areas of Expertise:

Ink Cartridges

Fluid Cartridges

Leakage Reduction

Printing-Fluid Devices

Cartridge Manufacturing

Ink Supply Systems

Print Fluid Supply

Ink Jet Printers

Valve Chambers

Air Communication Portions

Fluid Amount Detection

184 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12533888 - Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber (2026-01-27),

2. 11897267 - Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber (2024-02-13),

3. 11707934 - Printing-fluid containing device including printing-fluid cartridge and adaptor (2023-07-25),

4. 11077669 - Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber (2021-08-03),

5. 10940692 - Printing-fluid containing device including printing-fluid cartridge and adaptor (2021-03-09),

6. 10688795 - Printing-fluid containing device and adaptor (2020-06-23),

7. 10493765 - Liquid cartridge capable of reducing leakage of liquid from liquid storage chamber (2019-12-03),

8. 10350899 - Printing-fluid containing device including printing-fluid cartridge and adaptor (2019-07-16),

9. 10286673 - Liquid cartridge having engaging portion, and liquid-consuming device using the same (2019-05-14),

10. 10022974 - Printing-fluid containing device and adaptor (2018-07-17),

11. 9315034 - Liquid cartridge having valve chamber in which movable body is disposed (2016-04-19),

12. 9126415 - Print fluid cartridge having print fluid supply portion, and print fluid supplying apparatus (2015-09-08),

13. 9022539 - Ink cartridge provided with air communication portion (2015-05-05),

14. 8985743 - Printing fluid supply device and printing fluid cartridge (2015-03-24),

15. 8616687 - Cartridge and method of manufacturing thereof (2013-12-31),

As an AI assistant specialized in innovations, inventions, inventors, patent attorneys, assignees, and patents, I will provide you with an article about inventor Toyonori Sasaki based on the data provided.

Title: The Ingenious Mind of Toyonori Sasaki: A Prolific Inventor from Anjo, JP

Introduction:

Toyonori Sasaki hails from Anjo, JP, and is a renowned inventor with an impressive portfolio of 183 patents to his name. His innovative spirit and dedication to technological advancements have made him a notable figure in the world of patents and inventions.

Latest Patents:

Among Toyonori Sasaki's latest patents is a groundbreaking invention titled "Liquid Cartridge Capable of Reducing Leakage of Liquid from Liquid Storage Chamber." This patent showcases his expertise in developing solutions to enhance the efficiency and functionality of liquid cartridges, featuring intricate designs to prevent leakage and optimize performance. Another notable invention is the "Printing-Fluid Containing Device Including Printing-Fluid Cartridge and Adaptor," highlighting his vision for improving printing technologies through innovative cartridge designs and adaptors.

Career Highlights:

Throughout his career, Toyonori Sasaki has made significant contributions to the industry through his groundbreaking inventions. He has worked with esteemed companies such as Brother Kogyo Kabushiki-kaisha and Brother Industries, Ltd., where he played a pivotal role in driving innovation and technological advancements in the field of printing and liquid storage solutions.

Collaborations:

Toyonori Sasaki's collaborative efforts with industry peers, including coworkers like Shingo Hattori and Tomohiro Kanbe, have been instrumental in bringing his inventive ideas to life. Through teamwork and shared expertise, they have successfully developed cutting-edge products that have redefined standards in their respective fields.

Conclusion:

In conclusion, Toyonori Sasaki stands as a testament to the power of innovation and dedication in the world of patents and inventions. His exceptional creativity and problem-solving skills have led to the creation of numerous groundbreaking technologies that have left a lasting impact on the industry. Toyonori Sasaki's legacy as a prolific inventor continues to inspire future generations to push the boundaries of what is possible in the realm of technological advancements.

Profile summary based on public USPTO records.