Katsuhiro Hayashi

This inventor holds 13 USPTO granted patents and 2 published patent applications and 7 EPO patents. Top assignee: Canon Kabushiki Kaisha. Active years: 2011-2026.

USPTO Granted Patents = 13 (Patent Applications = 2)

% Patents Active = 61.5

EPO Patents = 7 (Patent Applications = 5)

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 43(Granted Patents)

Location History:

Yokohama, JP (2011 - 2018)
Kanagawa, JP (2023)

Company Filing History:

13 out of 92,842

Canon Kabushiki Kaisha

patents

Years Active: 2011-2026

Loading Chart...

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12742083 - Aqueous ink, ink cartridge and ink jet recording method (2026-09-22),

2. 12595386 - Aqueous ink, ink cartridge and ink jet recording method (2026-04-07),

3. 12486416 - Aqueous ink, ink cartridge and ink jet recording method (2025-12-02),

4. 12234363 - Aqueous ink, ink cartridge and ink jet recording method (2025-02-25),

5. 11584864 - Aqueous ink, ink cartridge, ink jet recording method and method for producing aqueous ink (2023-02-21),

6. 11549027 - Aqueous ink, ink cartridge, ink jet recording method and method for producing aqueous ink (2023-01-10),

7. 10131806 - Aqueous ink, ink cartridge, and ink jet recording method (2018-11-20),

8. 9365733 - Ink jet ink and ink jet recording method (2016-06-14),

9. 9260611 - Synthesis method for self-dispersible pigment, self-dispersible pigment, ink jet ink, ink cartridge, and ink jet recording method (2016-02-16),

10. 8889763 - Ink jet ink, ink jet recording method, and ink cartridge (2014-11-18),

11. 8439495 - Ink jet liquid composition, set, liquid cartridge, and ink jet recording method (2013-05-14),

12. 8425027 - Clear ink, ink jet recording method, ink set, ink cartridge, recording unit and ink jet recording apparatus (2013-04-23),

13. 7977409 - Ink jet ink, ink jet recording method, and ink cartridge (2011-07-12),

Title: Katsuhiro Hayashi: Innovator in Aqueous Ink Technology

Introduction

Katsuhiro Hayashi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of ink technology, particularly in the development of aqueous inks for inkjet printing. With a total of 13 patents to his name, Hayashi's work has greatly influenced the quality and performance of inkjet printing systems.

Latest Patents

Hayashi's latest patents focus on the formulation of aqueous inks, ink cartridges, and inkjet recording methods. One of his notable inventions is an aqueous ink designed for inkjet printing that provides excellent abrasion resistance and glossiness. This ink includes a coloring material and a combination of resins, specifically a first polyester resin and a second resin that may be a block copolymer or a second polyester resin with a sulfonic acid group. Additionally, he has developed an ink cartridge that utilizes this innovative aqueous ink, along with a method for ejecting the ink from a recording head to produce high-quality images on various recording media.

Career Highlights

Katsuhiro Hayashi is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to push the boundaries of ink technology, resulting in patents that enhance the performance and reliability of inkjet printers. His inventions are crucial for achieving high-quality prints that meet the demands of both consumers and professionals.

Collaborations

Throughout his career, Hayashi has collaborated with notable colleagues such as Kenji Nishiguchi and Naofumi Shimomura. These collaborations have fostered an environment of innovation and creativity, leading to advancements in ink technology and printing solutions.

Conclusion

Katsuhiro Hayashi's contributions to aqueous ink technology have established him as a key figure in the field of inkjet printing. His innovative patents and work at Canon continue to shape the future of printing technology, ensuring high-quality results for users worldwide.