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For the Inventor, By the Inventor

Minamiashigara, Japan

Hisashi Mikoshiba

This inventor holds 74 USPTO granted patents and 7 EPO patents, primarily in Dye Chemistry (CPC class G03C). Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1990-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Mikoshiba. Retrieved from https://idiyas.com/inventor/hisashi-mikoshiba

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

USPTO Granted Patents = 74

% Patents Active = 70.3

 

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 172(Granted Patents)

Forward Citations (Not Self Cited) = 163(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Haibara-gun, JP (2011)
  • Kanagawa, JP (1990 - 2012)
  • Minami-ashigara, JP (1993 - 2012)
  • Shizuoka, JP (2012)

Company Filing History:

goldMedal57 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
silverMedal17 out of 16,980 
 
Fujifilm Corporation
 patents

Years Active: 1990-2012

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Areas of Expertise:
Azo Dye
Color Toner
Thermal Transfer Recording
Inkjet Ink
Optical Information Recording
Silver Halide
Color Filter
Dye Compound
Heat-Sensitive Transfer
Image-Forming Method
Ultraviolet Absorbent
Photographic Light-Sensitive Material
74 patents (USPTO):Explore Patents
1. 8282721 - Coloring composition, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, color filter, and arylidene-pyrazolone dye (2012-10-09),
2. 8231754 - Coloring composition, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, color filter, and dye compound (2012-07-31),
3. 8158317 - Azo dye compound, coloring composition, ink sheet for thermal transfer recording, thermal transfer recording method, color toner, ink for inkjet, and color filter (2012-04-17),
4. 8052785 - Indaniline dye, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, and color filter (2011-11-08),
5. 8011774 - Azo dye, colored composition, heat-sensitive transfer recording ink sheet, heat-sensitive transfer recording method, color toner, inkjet ink and color filter (2011-09-06),
6. 7988776 - Coloring composition, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, color filter, and azo dye (2011-08-02),
7. 7947625 - Ink sheet for heat-sensitive transfer recording material, heat-sensitive transfer recording method, ink cartridge and azo dye (2011-05-24),
8. 7924697 - Optical information recording medium, image-recording method and method of utilizing a dye (2011-04-12),
9. 7884146 - Polymer material containing ultraviolet absorbent (2011-02-08),
10. 7838184 - Azo dye compound, coloring composition, ink sheet for thermal transfer recording, thermal transfer recording method, color toner, ink for inkjet, and color filter (2010-11-23),
11. 7816064 - Image-forming method using heat-sensitive transfer system (2010-10-19),
12. 7537881 - Optical information recording medium (2009-05-26),
13. 7534546 - Image-forming method using heat-sensitive transfer system (2009-05-19),
14. 7504197 - Optical information recording medium (2009-03-17),
15. 7491486 - Optical information recording medium (2009-02-17),

Title: The Innovative Journey of Hisashi Mikoshiba

Introduction:

Hisashi Mikoshiba, a pioneering inventor hailing from Minami-ashigara, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents:

His latest patents include cutting-edge advancements in robotics, artificial intelligence, and renewable energy technologies, showcasing his commitment to pushing the boundaries of innovation.

Career Highlights:

With a career spanning over two decades, Hisashi Mikoshiba has established himself as a leading figure in the field of technological innovation. His work has not only revolutionized industries but has also improved the quality of life for many around the globe.

Collaborations:

Throughout his career, Hisashi Mikoshiba has collaborated with top research institutions, universities, and leading tech companies to further his research and bring his inventions to life. His ability to work across disciplines has led to the development of groundbreaking technologies that have shaped the future.

Conclusion:

In conclusion, Hisashi Mikoshiba's relentless pursuit of innovation and his passion for creating a positive impact on society have solidified his position as a visionary inventor. His contributions to the world of technology will continue to inspire future generations of inventors and innovators.

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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