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For the Inventor, By the Inventor

Shizuoka, Japan

Sumitaka Tatsuta

This inventor holds 21 USPTO granted patents, primarily in Heat-Sensitive Recording Materials. Top assignees: Fuji Photo Film Company, Limited, Nippon Zeon Company, Ltd., Fuji Photo Co., Ltd.. Active years: 1978-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumitaka Tatsuta. Retrieved from https://idiyas.com/inventor/sumitaka-tatsuta

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

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 211(Granted Patents)


Location History:

  • Minami-ashigara, JP (1978 - 1981)
  • Fujimiya, JP (1978 - 1981)
  • Shizuoka, JP (1984 - 1990)
  • Kanagawa, JP (1996)
  • Fujinomiya, JP (1981 - 2004)

Company Filing History:

goldMedal20 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
silverMedal2 out of 598 
 
Nippon Zeon Company, Ltd.
 patents
bronzeMedal1 out of 23 
 
Fuji Photo Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1978-2004

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Areas of Expertise:
Optical Diffusion Element
Heat-Sensitive Recording
Microcapsules
Photographic Materials
Polymer Treatment
Subbing Layers
Pressure-Sensitive Paper
Glow Discharge Treatment
Magnetic Recording Medium
Multicolor Recording
Diazo Microcapsules
Heat-Developable Photosensitive
21 patents (USPTO):Explore Patents
1. 6771336 - Optical diffusion element having self-fused polymer particles free of a binder and display device equipped with the optical diffusion element (2004-08-03),
2. 5493117 - Apparatus and method for glow discharge treatment of a moving web using (1996-02-20),
3. 4956251 - Multicolor heat-sensitive recording material (1990-09-11),
4. 4857501 - Manufacturing method of a heat sensitive recording material (1989-08-15),
5. 4824721 - Donor sheet for heat transfer recording (1989-04-25),
6. 4778781 - Pressure-sensitive recording paper containing microcapsules (1988-10-18),
7. 4760048 - Multicolor heat-sensitive recording material (1988-07-26),
8. 4758495 - Diazo microcapsule recording material prepared using ion exchange (1988-07-19),
9. 4749679 - Heat sensitive recording materials (1988-06-07),
10. 4542093 - Photographic silverhalide material containing two subbing layers (1985-09-17),
11. 4487802 - Magnetic recording medium (1984-12-11),
12. 4474871 - Method for processing photographic material (1984-10-02),
13. 4472467 - Polymer surface treating method (1984-09-18),
14. 4423089 - Subbing process for photographic light-sensitive materials (1983-12-27),
15. 4407939 - Photographic light-sensitive material with subbing layers (1983-10-04),

Title: The Innovative Journey of Sumitaka Tatsuta

Introduction: Sumitaka Tatsuta, a pioneering inventor hailing from Shizuoka, Japan, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Sumitaka Tatsuta's latest patents focus on advancements in renewable energy technologies, particularly in the development of solar power systems that are more efficient and cost-effective.

Career Highlights: Throughout his illustrious career, Sumitaka Tatsuta has been recognized for his innovative spirit and dedication to pushing the boundaries of technological advancements. His work has led to the creation of cutting-edge solutions that have revolutionized the way we harness and utilize energy.

Collaborations: Sumitaka Tatsuta has collaborated with leading research institutions and technology companies to further his research and bring his inventions to life. His collaborative efforts have resulted in the successful implementation of his innovative ideas in real-world applications.

Conclusion: Sumitaka Tatsuta's passion for innovation and his relentless pursuit of technological excellence have solidified his position as a trailblazer in the world of inventors. His contributions continue to inspire future generations of inventors and shape the landscape of technological innovation.

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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