Hiroyuki Tokuda

This inventor holds 77 USPTO granted patents, primarily in Ink Tank Technology (CPC class D18 ). Top assignee: Canon Kabushiki Kaisha. Active years: 1982-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Tokuda. Retrieved from https://idiyas.com/inventor/hiroyuki-tokuda

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

USPTO Granted Patents = 77

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 20

Forward Citations = 1,121(Granted Patents)

Forward Citations (Not Self Cited) = 949(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kawasaki, JP (1982 - 1983)
Kanagawa, JP (1993)
Irvine, CA (US) (2001 - 2002)
Yokohama, JP (1988 - 2017)

Company Filing History:

77 out of 92,901

Canon Kabushiki Kaisha

patents

Years Active: 1982-2017

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Areas of Expertise:

Mammography Apparatus

Ink Tank

Printer

Laser Beam Printer

Ink Cartridge

Printing Head

Ink-Jet Cartridge

Combined Ink Tank Holder

77 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D788309 - Mammography apparatus for medical treatment (2017-05-30),

2. D502501 - Partial right-side panel and rear panel for an ink-jet cartridge (2005-03-01),

3. D464081 - Ink tank for printer (2002-10-09),

4. D462382 - Ink tank for printer (2002-09-04),

5. D460107 - Ink tank for printer (2002-07-10),

6. D456835 - Ink tank for printer (2002-05-08),

7. D451540 - Printer (2001-12-05),

8. D430200 - Ink tank for printer (2000-08-29),

9. D404068 - Ink tank for printer (1999-01-12),

10. D395445 - Ink tank for printer (1998-06-23),

11. D390597 - Printer for electronic computer (1998-02-10),

12. D382582 - Laser beam printer (1997-08-19),

13. D381681 - Ink tank for printer (1997-07-29),

14. D378758 - Ink tank for printer (1997-04-08),

15. D377371 - Ink tank for printer (1997-01-14),

Title: The Innovative Journey of Hiroyuki Tokuda

Introduction: Hiroyuki Tokuda is a pioneering inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroyuki Tokuda holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of what is possible in the modern world.

Career Highlights: With a career spanning over two decades, Hiroyuki Tokuda has worked with some of the leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Hiroyuki Tokuda has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing that has been instrumental in his success as an inventor.

Conclusion: Hiroyuki Tokuda's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his reputation as a visionary inventor in Yokohama, Japan, and beyond. His work continues to inspire future generations of inventors to think outside the box and strive for excellence in all their endeavors.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]