Sadayuki Sugama

This inventor holds 113 USPTO granted patents, plus 5 CIPO patents and 12 EPO patents, primarily in Ink Jet Technology (CPC class B41J2-175). Top assignees: Canon Kabushiki Kaisha, Oji Paper Co., Ltd.. Active years: 1996-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadayuki Sugama. Retrieved from https://idiyas.com/inventor/sadayuki-sugama

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

Calculating rank

USPTO Granted Patents = 113

% Patents Active = 61.1

CIPO Patents = 5

EPO Patents = 12 (Patent Applications = 4)

Average Co-Inventor Count = 4.9

ph-index = 29

Forward Citations = 2,324(Granted Patents)

Forward Citations (Not Self Cited) = 2,131(Dec 10, 2025)

Inventors with similar research interests:

🔬 See more inventors

Location History:

Ibaraki-Ken, JP (2005)
Tokyo, JP (2011)
Tsukuba, JP (1996 - 2013)
Ibaraki, JP (2002 - 2013)

Company Filing History:

112 out of 93,136

Canon Kabushiki Kaisha

Years Active: 1996-2013

Loading Chart...

Areas of Expertise:

Ink Container

Aqueous Ink

Ink Jet Recording

Waste Ink Management

Laser Cutting

Pigment Dispersion

Recording Medium

Image Formation

Fluorescent Ink

Ink Cartridge

Solid Semiconductor Element

Surface Treatment

113 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8425022 - Ink container for ink jet printer, holder for the container, carriage for the holder, and ink jet printer (2013-04-23),

2. 8353573 - Waste ink absorbent member, and waste ink container and ink jet recording apparatus equipped with waste ink absorbent member (2013-01-15),

3. 8252393 - Surface-modified inorganic pigment, colored surface-modified inorganic pigment, recording medium and production processes thereof, and image forming method and recorded image (2012-08-28),

4. 8163360 - Pigment dispersion and inkjet recording medium using the same (2012-04-24),

5. 8152273 - Waste ink absorbent member, and waste ink container and ink jet recording apparatus equipped with waste ink absorbent member (2012-04-10),

6. 8118069 - Method for loading liquid, liquid container and head cartridge (2012-02-21),

7. 8108998 - Laser cutting method (2012-02-07),

8. 8093530 - Laser cutting apparatus and laser cutting method (2012-01-10),

9. 8016406 - Aqueous ink, aqueous ink set, ink cartridge, ink-jet recording apparatus, ink-jet recording method, and image-forming method (2011-09-13),

10. 7923081 - Recording medium for water-based ink and method for determining ink absorbing characteristic thereof (2011-04-12),

11. 7922274 - Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method (2011-04-12),

12. 7914137 - Ink container for ink jet printer, holder for the container, carriage for the holder, and ink jet printer (2011-03-29),

13. 7807940 - Laser processing apparatus and laser processing method (2010-10-05),

14. 7791001 - Automatic focusing apparatus, laser processing apparatus, and laser cutting apparatus (2010-09-07),

15. 7752058 - Portable terminal and health management method and system using portable terminal (2010-07-06),

As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I can provide information about inventor Sadayuki Sugama based on the data provided.

Title: The Inventor Profile: Sadayuki Sugama

Introduction: Sadayuki Sugama is a prolific inventor based in Tsukuba, Japan, with an impressive portfolio of 113 patents to his name. He is known for his innovative contributions in the field of inkjet printing technology.

Latest Patents:

1. Ink Container for Inkjet Printer: An ink container designed for supplying ink to an inkjet head, featuring an ink supply port, an air vent, a claw-like projection, and a latching lever for secure attachment to the printer.

2. Waste Ink Absorbent Member: A waste ink absorbing tank with an absorbent member capable of efficiently absorbing ink with high coagulating properties.

3. Holder for the Container: A holder designed to securely hold the ink container in place.

4. Carriage for the Holder: A carriage mechanism for easy movement of the ink container within the printer.

5. Inkjet Printer: An innovative inkjet printer integrating the aforementioned components for enhanced printing performance.

Career Highlights: Sadayuki Sugama is associated with Canon Kabushiki Kaisha, a leading technology company in the printing and imaging industry. His work at Canon has been instrumental in advancing inkjet printing technology, revolutionizing the way ink is supplied and managed in printers.

Collaborations: Throughout his career, Sadayuki Sugama has collaborated with esteemed colleagues such as Hiroyuki Ishinaga and Mikio Sanada. Together, they have worked on various projects aimed at enhancing inkjet printing efficiency and performance.

Conclusion: Sadayuki Sugama's dedication to innovation and his remarkable contributions to inkjet printing technology have solidified his reputation as a visionary inventor. His patents continue to shape the future of printing technology, making him a valuable asset to Canon Kabushiki Kaisha and the industry as a whole.

Profile summary based on public USPTO records.