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For the Inventor, By the Inventor

Yokohama, Japan

Hirokazu Komuro

This inventor holds 90 USPTO granted patents and 3 EPO patents, primarily in Inkjet Technology (CPC class 346140R). Top assignee: Canon Kabushiki Kaisha. Active years: 1988-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Komuro. Retrieved from https://idiyas.com/inventor/hirokazu-komuro

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

USPTO Granted Patents = 90

% Patents Active = 66.7


Average Co-Inventor Count = 2.1

ph-index = 19

Forward Citations = 1,255(Granted Patents)

Forward Citations (Not Self Cited) = 1,124(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Hiratsuka, JP (1988 - 1996)
  • Yokahama, JP (1997)
  • Tokyo, JP (2003)
  • Kanagawa, JP (2003 - 2007)
  • Yokohama, JP (1990 - 2022)

Company Filing History:

goldMedal90 out of 92,901 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1988-2022

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Areas of Expertise:
Inkjet Recording Head
Liquid Discharge Head
Manufacturing Method
Ejection Element Substrate
Recording Element Substrate
Liquid Ejection Head
Ink Jet Head
Substrate Manufacturing
Liquid Discharging Apparatus
Silicon Substrate Processing
Nozzle Plate Manufacturing
90 patents (USPTO):Explore Patents
1. 11345149 - Ink jet recording head and ink jet recording apparatus (2022-05-31),
2. 11345148 - Inkjet recording head (2022-05-31),
3. 11110705 - Liquid-discharging-head substrate, liquid discharging head, liquid discharging apparatus, method of manufacturing liquid-discharging-head substrate (2021-09-07),
4. 10166772 - Liquid-discharging-head substrate, liquid discharging head, liquid discharging apparatus, method of manufacturing liquid-discharging-head substrate (2019-01-01),
5. 9333746 - Ink jet recording head substrate, method for manufacturing the same, and ink jet recording head (2016-05-10),
6. 9266331 - Manufacturing method of substrate for liquid ejection head (2016-02-23),
7. 9150019 - Liquid ejection head body and method of manufacturing the same (2015-10-06),
8. 9120310 - Recording element substrate, method of manufacturing the recording element substrate, and liquid ejection head (2015-09-01),
9. 9056461 - Method for driving liquid discharge head, liquid discharge head, and liquid discharge apparatus (2015-06-16),
10. 8691101 - Method for manufacturing ejection element substrate (2014-04-08),
11. 8613862 - Method for manufacturing liquid discharge head substrate (2013-12-24),
12. 8449080 - Base for liquid discharge head, and liquid discharge head using the same (2013-05-28),
13. 8445298 - Process of producing liquid discharge head base material (2013-05-21),
14. 8322829 - Liquid discharge head substrate and manufacturing method thereof, and liquid discharge head using liquid discharge head substrate and manufacturing method thereof (2012-12-04),
15. 8312628 - Liquid discharge head and method for manufacturing the same (2012-11-20),

Title: Innovations of Hirokazu Komuro – A Pioneer in Inkjet Technology

Introduction

Hirokazu Komuro is a renowned inventor from Yokohama, Japan, who has made significant contributions to the field of inkjet printing technology. With a remarkable portfolio of 90 patents, he has been at the forefront of innovations that enhance image quality and printing efficiency in contemporary inkjet printers.

Latest Patents

Among his recent innovations, Komuro has developed several patents focusing on inkjet recording heads. One notable patent describes an inkjet recording head featuring an ejection chip with ejection orifices, an external wiring board for applying electrical signals, and a unique electrical joining portion. This invention incorporates a resin-sealed section for protecting sensitive components, including innovative spacers to optimize electrical joining. Another of his latest patents details the design of an inkjet recording head that includes a chamfered corner on the external wiring board, which enhances the integration with the ejection chip while maintaining alignment with the ejection orifice arrangement.

Career Highlights

Hirokazu Komuro's career is closely associated with Canon Kabushiki Kaisha (Canon Inc.), where he has been instrumental in pioneering advances in inkjet technology. His dedication to innovation has not only helped Canon maintain its competitive edge but has also played a vital role in the evolution of printing technology worldwide.

Collaborations

Throughout his career, Komuro has collaborated with notable coworkers, including Takuya Hatsui and Makoto Shibata. Their collective expertise and teamwork have resulted in numerous innovative projects that push the boundaries of what is achievable in inkjet printing and related fields.

Conclusion

Hirokazu Komuro's contributions to the field of inkjet technology are remarkable and continue to influence modern printing solutions. With an impressive collection of patents, his work exemplifies the spirit of innovation and dedication to improving the conceptual and practical applications of inkjet technology. His collaboration with talented colleagues further reflects the importance of teamwork in the creative process, ensuring ongoing advancements in the industry.

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]
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