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For the Inventor, By the Inventor

Hotaka-machi, Japan

Yoshie Asakawa

USPTO Granted Patents = 40


Average Co-Inventor Count = 5.9

ph-index = 8

Forward Citations = 427(Granted Patents)


Location History:

  • Nagano, JP (2000 - 2001)
  • Hotaka-machi, JP (1999 - 2003)
  • Matsumoto, JP (1999 - 2004)
  • Tokyo, JP (2004)
  • Nagano-ken, JP (2000 - 2005)

Company Filing History:

goldMedal39 out of 90,753 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 832,880 
Other
 patents

Years Active: 1999-2005

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Areas of Expertise:
Liquid Ejection
Liquid Discharging
Ink-Jet Printing
Head Cartridge
Manufacturing Method
Printing System
Discharge State Detection
Flow Path Structure
Textile Printing
Gas Bubble Control
Movable Member Technology
Recovery Method
40 patents (USPTO):Explore Patents
1. 6851779 - Liquid ejection method and liquid ejection head therefor (2005-02-08),
2. 6773092 - Liquid discharging head and liquid discharging device (2004-08-10),
3. 6709090 - Liquid ejection method and liquid ejection head therefor (2004-03-23),
4. 6663230 - Liquid ejection head, apparatus and recovery method for them (2003-12-16),
5. 6582065 - Liquid ejection method, head and apparatus (2003-06-24),
6. 6554383 - Liquid ejecting head and head cartridge capable of adjusting energy supplied thereto, liquid ejecting device provided with the head and head cartridge, and recording system (2003-04-29),
7. 6523941 - Liquid discharging method and liquid discharging head (2003-02-25),
8. 6516509 - Method of manufacturing a liquid jet head having a plurality of movable members (2003-02-11),
9. 6505915 - Liquid ejection head, apparatus and recovery method for them (2003-01-14),
10. 6488365 - Liquid discharging head (2002-12-03),
11. 6474791 - Method and apparatus for discharging liquid by a gas bubble controlled by a movable member to communicate with the atmosphere (2002-11-05),
12. 6447093 - Liquid discharge head having a plurality of liquid flow channels with check valves (2002-09-10),
13. 6390604 - Liquid discharge method and apparatus employing a movable inelastic separation film (2002-05-21),
14. 6318848 - Liquid jet head with a movable member, head cartridge using the liquid jet head, liquid jet apparatus and liquid discharging method (2001-11-20),
15. 6302519 - Ink-jet textile printing method and apparatus therefor (2001-10-16),

Title: Innovations of Yoshie Asakawa: A Pioneer in Liquid Ejection Technologies

Introduction

Yoshie Asakawa, based in Hotaka-machi, Japan, is a prominent inventor with a remarkable portfolio of 40 patents to his name. His innovations primarily focus on liquid ejection methods, an essential area in various industries including printing and manufacturing.

Latest Patents

Among his latest patents, the "Liquid Ejection Method and Liquid Ejection Head Therefor" stands out. This invention details a sophisticated liquid ejecting method wherein a bubble is generated in the liquid to facilitate its ejection. It describes a liquid ejecting head equipped with an ejection outlet designed for precision and efficiency. The method further involves displacing a movable member to direct the generated bubble towards the ejection outlet, optimizing the liquid ejection process. Additionally, he has developed a "Liquid Discharging Head and Liquid Discharging Device," which integrates a heat generating member with a coherent bubbling region that enhances bubble generation efficiency.

Career Highlights

Yoshie Asakawa has contributed significantly to the field through his work at Canon Kabushiki Kaisha, among other companies. His extensive work on liquid ejection technologies has paved the way for advancements that benefit various sectors, particularly those involving printing and fluid handling processes.

Collaborations

Throughout his career, Yoshie has collaborated with notable professionals in the field, including Toshio Kashino and Kiyomitsu Kudo. Their combined efforts have further propelled innovations in liquid ejection technologies, demonstrating the power of teamwork in driving progress.

Conclusion

Yoshie Asakawa's contributions to the realm of liquid ejection technologies underscore his status as a leading inventor. With 40 patents that showcase his innovative spirit, he continues to influence industries reliant on effective liquid handling solutions. His advancements not only reflect his ingenuity but also mark significant milestones in technology that will shape the future.

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