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For the Inventor, By the Inventor

Yotsukaichi, Japan

Shunichi Higashiyama

This inventor holds 104 USPTO granted patents and 2 published patent applications and 8 EPO patents, primarily in Ink-Jet Technology (CPC class 430138). Top assignees: Brother Kogyo Kabushiki-Kaisha, Pitney Bowes Inc., Brother Kogyo Kabushiki. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunichi Higashiyama. Retrieved from https://idiyas.com/inventor/shunichi-higashiyama

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

USPTO Granted Patents = 104 

% Patents Active = 94.2

 

Average Co-Inventor Count = 3.0

ph-index = 13

Forward Citations = 818(Granted Patents)

Forward Citations (Not Self Cited) = 776(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nagoya, JP (1989 - 1992)
  • Aichi-ken, JP (2008)
  • Yotsukaichi, JP (1991 - 2010)
  • Mie, JP (2010)
  • Yokkaichi, JP (1991 - 2024)

Company Filing History:

goldMedal99 out of 17,897 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal4 out of 2,980 
 
Pitney Bowes Inc.
 patents
bronzeMedal1 out of 10 
 
Brother Kogyo Kabushiki
 patents

Years Active: 1989-2026

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Areas of Expertise:
Ink-Jet Recording
Water-Based Ink
Cleaning Method
Image Forming System
Ink Set
Fluorescent Ink
Magenta Ink
Cyan Ink
Postal Blue Ink
Durability
Reliability
104 patents (USPTO):Explore Patents
1. 12655313 - Water-based ink for ink-jet recording and ink-jet recording apparatus (2026-06-16),
2. 12351725 - Ink set, water-based maintenance fluid, cleaning method, image forming system, and image forming method (2025-07-08),
3. 12030316 - Cleaning liquid, set, ink-jet recording apparatus and cleaning method (2024-07-09),
4. 11897265 - Cleaning liquid, set, ink-jet recording apparatus and cleaning method (2024-02-13),
5. 8746866 - Ink set, ink-jet recording apparatus, and ink-jet recording method (2014-06-10),
6. 8591018 - Ink set and ink-jet recording method (2013-11-26),
7. 8349064 - Water-based ink for ink jet recording (2013-01-08),
8. 8328927 - Water-based ink for ink jet recording (2012-12-11),
9. 8328922 - Postal blue ink with high reliability (2012-12-11),
10. 7972425 - Postal blue ink with improved durability (2011-07-05),
11. 7780285 - Water base ink for ink-jet recording and ink-jet printer accomodating same (2010-08-24),
12. 7753999 - Water based ink for ink jet recording and ink jet recording method (2010-07-13),
13. 7727321 - Magenta ink for ink-jet recording (2010-06-01),
14. 7713343 - Ink set for ink-jet recording (2010-05-11),
15. 7690762 - Water base ink for ink-jet recording (2010-04-06),

As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I'll craft an article about inventor Shunichi Higashiyama based on the provided data.

Title: Unveiling the Ingenious Mind of Shunichi Higashiyama: Pioneering Innovations in Ink-Jet Technology

Introduction:

Shunichi Higashiyama, a distinguished inventor hailing from the vibrant city of Yotsukaichi, JP, has left an indelible mark with his remarkable contributions to the field of ink-jet technology. With an impressive portfolio of 101 patents, Shunichi Higashiyama stands as a beacon of innovation and creativity in the realm of technological advancements.

Latest Patents:

Among his latest patents is a groundbreaking invention in the form of a Cleaning Liquid, Set, Ink-Jet Recording Apparatus, and Cleaning Method. This innovative cleaning liquid is specifically designed for the efficient maintenance and upkeep of ink-jet recording apparatus, incorporating a unique blend of water-soluble organic solvents, nonionic surfactants, and water, ensuring optimal performance and longevity of the equipment.

Career Highlights:

Having showcased his expertise in companies such as Brother Kogyo Kabushiki-kaisha and Pitney Bowes Inc., Shunichi Higashiyama has proven his mettle in translating visionary ideas into tangible technological solutions. His professional journey is adorned with a string of achievements that have revolutionized the ink-jet technology landscape.

Collaborations:

Throughout his illustrious career, Shunichi Higashiyama has collaborated with esteemed colleagues such as Masaya Fujioka and Narumi Koga, fostering a culture of innovation and collaboration that has propelled the boundaries of technological advancement. Together, they have synergized their skills and expertise to drive forward groundbreaking inventions that have reshaped the industry.

Conclusion:

In conclusion, Shunichi Higashiyama's unwavering dedication to innovation, coupled with his relentless pursuit of excellence, has solidified his position as a trailblazing inventor in the realm of ink-jet technology. His pioneering spirit and ingenuity continue to inspire future generations of inventors, underscoring the transformative power of creative thinking and unwavering determination in shaping a brighter technological future.

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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