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For the Inventor, By the Inventor

Tokyo, Japan

Soichi Hiramatsu

This inventor holds 73 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Ink Jet Printing (CPC class 2711). Top assignee: Canon Kabushiki Kaisha. Active years: 1987-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Soichi Hiramatsu. Retrieved from https://idiyas.com/inventor/soichi-hiramatsu

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

USPTO Granted Patents = 73

% Patents Active = 91.8



Average Co-Inventor Count = 3.5

ph-index = 25

Forward Citations = 1,919(Granted Patents)

Forward Citations (Not Self Cited) = 1,858(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (1992)
  • Yokohama, JP (1987 - 2001)
  • Hachioji, JP (1996 - 2003)
  • Hachiohji, JP (1997 - 2008)
  • Tokyo, JP (1993 - 2013)

Company Filing History:

goldMedal73 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1987-2013

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Areas of Expertise:
Ink Container
Ink Jet Printer
Recording Apparatus
Image Recording
Feeding Device
Cleaning Mechanism
Detection System
Sheet Supply
Wiping Mechanism
Drive Switching
Refilling System
Recording Speed
73 patents (USPTO):Explore 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. 7914137 - Ink container for ink jet printer, holder for the container, carriage for the holder, and ink jet printer (2011-03-29),
3. 7407275 - Ink container for ink jet printer, holder for the container, carriage for the holder and ink jet printer (2008-08-05),
4. 7407274 - Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer (2008-08-05),
5. 7401909 - Ink container for ink jet printer, holder for the container, carriage for the holder and ink jet printer (2008-07-22),
6. 6789882 - Recording apparatus (2004-09-14),
7. 6769683 - Image recording apparatus (2004-08-03),
8. 6685370 - Recording member feeding device with detecting means for improved precision and image forming apparatus containing same (2004-02-03),
9. 6619795 - Ink jet recording apparatus (2003-09-16),
10. 6575568 - Recording apparatus (2003-06-10),
11. 6532025 - Ink jet recording apparatus provided with an improved cleaning mechanism (2003-03-11),
12. 6464328 - Ink jet recording apparatus (2002-10-15),
13. 6367906 - Ink jet recording apparatus (2002-04-09),
14. 6361158 - Ink container for ink jet printing, holder for the container, carriage for the holder and ink jet printer (2002-03-26),
15. 6361136 - Detection system, liquid-jet printing apparatus and liquid container (2002-03-26),

Title: Innovations by Soichi Hiramatsu: A Pioneer in Ink Jet Technology

Introduction

Soichi Hiramatsu, based in Tokyo, JP, is a prolific inventor known for his significant contributions to ink jet technology. With an impressive portfolio of 73 patents, Hiramatsu has been at the forefront of innovations that enhance the efficiency and functionality of ink jet printers. His work continues to influence the industry, making printing more accessible and effective for consumers and businesses alike.

Latest Patents

Among Hiramatsu's latest patents is a series related to ink containers for ink jet printers. These inventions include an ink container designed for supplying ink to an ink jet head. The container is detachably mountable and features an ink supply port for effective ink delivery, an air vent that allows fluid communication with the environment, a claw-like projection for secure attachment, and a latching lever that is resiliently supported on the container. This latching mechanism enhances the ease of use and reliability of ink supply systems, showcasing Hiramatsu's dedication to improving printer technology.

Career Highlights

Hiramatsu's career includes a notable association with Canon Kabushiki Kaisha, where he has contributed to various advancements in printing technology. His innovative spirit and commitment to research have not only resulted in numerous patents but have also significantly improved the functionality of consumer printers. His recognition as an industry expert emphasizes the importance of his work in shaping modern printing solutions.

Collaborations

Throughout his career, Hiramatsu has collaborated with esteemed coworkers such as Takashi Nojima and Hideaki Kawakami. These partnerships have fostered an environment of creativity and innovation, enabling them to pursue groundbreaking projects that elevate ink jet technology. Their combined expertise has played a crucial role in the successful development and implementation of various printing technologies.

Conclusion

Soichi Hiramatsu stands out as a leading figure in the realm of ink jet technology, with a remarkable number of patents that demonstrate his ingenuity and dedication to innovation. His contributions continue to leave a lasting impact on the printing industry, making him a respected inventor in the field. As the demand for efficient printing solutions grows, the advancements pioneered by Hiramatsu will undoubtedly play a significant role in shaping the future of printing technology.

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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