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For the Inventor, By the Inventor

Kanagawa, Japan

Shoji Shiba

USPTO Granted Patents = 58


Average Co-Inventor Count = 4.1

ph-index = 17

Forward Citations = 698(Granted Patents)

Forward Citations (Not Self Cited) = 627(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa-ken, JP (2001)
  • Sagamihara, JP (1994 - 2010)
  • Kawasaki, JP (2009 - 2011)
  • Kanagawa, JP (2001 - 2012)
  • Yokohama, JP (2012 - 2021)

Company Filing History:

goldMedal58 out of 90,753 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1994-2021

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Areas of Expertise:
Aqueous Ink
Ink Cartridge
Liquid Ejection Head
Hydrophilic Coating
Photosensitive Resin Composition
Color Filter
Liquid Crystal Display
Ink Jet Recording Head
Micro Structure
Cationic Photopolymerizable Epoxy Resin
Optical Element
Liquid Jet Printing
58 patents (USPTO):Explore Patents
1. 11072720 - Aqueous ink, ink cartridge and ink jet recording method (2021-07-27),
2. 10363740 - Liquid ejection head and method for manufacturing the same (2019-07-30),
3. 9798236 - Method for forming pattern having hollow structure (2017-10-24),
4. 9254660 - Process for producing a liquid ejection head (2016-02-09),
5. 8673546 - Process for forming a hydrophilic coating and hydrophilic coating, and process for forming an ink jet recording head and ink jet recording head (2014-03-18),
6. 8444253 - Inkjet head and method of manufacturing inkjet head (2013-05-21),
7. 8409454 - Production process for structure and production process for liquid discharge head (2013-04-02),
8. 8304177 - Process for producing ink jet head (2012-11-06),
9. 8227043 - Liquid discharge head manufacturing method, and liquid discharge head obtained using this method (2012-07-24),
10. 8124791 - Active energy ray curable liquid composition and liquid cartridge (2012-02-28),
11. 8017307 - Method for manufacturing minute structure, method for manufacturing liquid discharge head, and liquid discharge head (2011-09-13),
12. 7971964 - Liquid discharge head and method for manufacturing the same (2011-07-05),
13. 7854065 - Liquid discharge head manufacturing method (2010-12-21),
14. 7670757 - Photosensitive resin composition, method of forming level difference pattern using the photosensitive resin composition, and method of producing ink jet head (2010-03-02),
15. 7629111 - Liquid discharge head manufacturing method, and liquid discharge head obtained using this method (2009-12-08),

Title: **Shoji Shiba: A Pioneer in Ink Jet Technology**

Introduction

Shoji Shiba, an innovative inventor based in Kanagawa, Japan, has made significant contributions to the field of ink jet technology. With an impressive portfolio of 58 patents, Shiba has become a key figure in developing advanced ink solutions for printing applications.

Latest Patents

Among his latest patents are groundbreaking advancements such as an **aqueous ink, ink cartridge, and ink jet recording method**. This invention provides an aqueous ink of active energy ray curable type optimized for ink jet applications. The aqueous ink comprises resin particles and a photo acid generator, featuring a reactive group-containing resin with various reactive groups. In addition, Shiba has developed a **liquid ejection head and method for manufacturing the same**, which includes a substrate with an energy generating element designed for liquid ejection. This ejection head is characterized by a flow channel member containing a crosslinked cured product of a multifunctional epoxy resin and a polyhydric alcohol, enhancing performance and reliability in liquid dispensing.

Career Highlights

Shoji Shiba has established a commendable career at Canon Kabushiki Kaisha, where he applies his expertise in printing technology. His work has been instrumental in pushing the boundaries of ink jet printing, providing solutions that improve quality, efficiency, and functionality.

Collaborations

Throughout his career, Shiba has collaborated with fellow innovators, including Akio Kashiwazaki and Katsuhiro Shirota. These partnerships have facilitated the development of cutting-edge technologies within the printing sector.

Conclusion

With a remarkable number of patents and significant advancements in ink jet technology, Shoji Shiba continues to influence the industry at Canon. His innovations not only enhance printing capabilities but also provide a foundation for future developments in the field.

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