Tatsuki Yamaguchi

This inventor holds 19 USPTO granted patents and 10 published patent applications, plus 2 CIPO patents and 6 EPO patents, primarily in Image Forming Technology. Top assignees: Ricoh Company, Ltd., Tokyo University of Science Foundation. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuki Yamaguchi. Retrieved from https://idiyas.com/inventor/tatsuki-yamaguchi

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

Calculating rank

USPTO Granted Patents = 19 (Patent Applications = 10)

% Patents Active = 73.7

CIPO Patents = 2

EPO Patents = 6 (Patent Applications = 3)

Average Co-Inventor Count = 5.5

ph-index = 1

Forward Citations = 5(Granted Patents)

Location History:

Shizuoka, JP (2016 - 2019)
Kanagawa, JP (2018 - 2024)

Company Filing History:

Tokyo University of Science Foundation

patents

where one patent can have more than one assignee

Years Active: 2016-2025

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Areas of Expertise:

Particulate Poly(Lactic-Co-Glycolic) Acid

Active-Energy-Ray-Curable Composition

Image Forming Apparatus

Artificial Nail Composition

Toner

Cured Material

Nail Decoration Material

Ink Composition

Storage Container

Image Forming Method

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12274788 - Particulate poly(lactic-co-glycolic) acid, method for manufacturing particulate poly (lactic-co-glycolic) acid, and particulate poly(lactic-co-glycolic) acid manufacturing apparatus (2025-04-14),

2. 12023398 - Composition, artificial nail composition, nail decoration material, artificial nail, stored container, image forming apparatus, and image forming method (2024-07-02),

3. 11920045 - Active-energy-ray-curable composition, active-energy-ray-curable ink composition, active-energy-ray-curable inkjet ink composition, composition stored container, two-dimensional or three-dimensional image forming apparatus, two-dimensional or three-dimensional image forming method, cured material, and decorated article (2024-03-05),

4. 11629259 - Active energy ray curable composition, active energy ray curable ink composition, active energy ray curable inkjet ink composition, composition container, image forming device, image forming method, cured matter, and decorated matter (2023-04-18),

5. 11529302 - Composition, artificial nail composition, nail decoration material, artificial nail, stored container, image forming apparatus, and image forming method (2022-12-20),

6. 11479622 - Active energy ray curable composition, active energy ray curable ink, composition accommodating container, two or three dimensional image forming apparatus, two or three dimensional image forming method, cured matter, decorative matter, artificial nail composition, nail decorative material, and artificial nail (2022-10-25),

7. 11208516 - Composition, cured product, storage container, image forming apparatus, and image forming method (2021-12-28),

8. 11096883 - Composition, artificial nail composition, nail decoration material, artificial nail, stored container, image forming apparatus, and image forming method (2021-08-24),

9. 11084940 - Composition, cured product, storage container, image forming apparatus, and image forming method (2021-08-10),

10. 11059985 - Composition, cured product, storage container, image forming apparatus, and image forming method (2021-07-13),

11. 10829631 - Composition, accommodating unit, image forming device, and image forming method (2020-11-10),

12. 10451989 - Toner, toner stored unit, and image forming apparatus (2019-10-22),

13. 10151991 - Toner, toner stored unit, and image forming apparatus (2018-12-11),

14. 9977367 - Toner, toner housing unit, and image forming apparatus (2018-05-22),

15. 9971261 - Toner (2018-05-15),

Title: Innovations by Tatsuki Yamaguchi: A Trailblazer in Polymer Technology

Introduction: Tatsuki Yamaguchi, based in Kanagawa, Japan, is an accomplished inventor with a remarkable portfolio of 21 patents. His work primarily focuses on advancements in polymer technology, particularly in the fields of artificial materials and manufacturing methods.

Latest Patents: Among his latest patented innovations are notable creations like the "Particulate Poly(Lactic-Co-Glycolic) Acid," which offers crucial applications in drug delivery and biocompatible materials. He has also developed a "Method for Manufacturing Particulate Poly(Lactic-Co-Glycolic) Acid" and a sophisticated "Particulate Poly(Lactic-Co-Glycolic) Acid Manufacturing Apparatus." Additionally, his innovations extend to a unique composition for artificial nail products which includes an acrylamide compound and a multifunctional polymerizable compound, emphasizing effectiveness in nail decoration materials.

Career Highlights: Tatsuki has made significant contributions during his tenure at Ricoh Company, Ltd. and the Tokyo University of Science Foundation. His ambitious research has led to breakthroughs that bridge the gap between scientific discovery and practical application in consumer products.

Collaborations: Yamaguchi's innovative journey is supported by collaborations with prominent peers, including Mitsunobu Morita and Soh Noguchi, who have played key roles in developing his patented technologies.

Conclusion: With a strategic focus on enhancing polymer technologies, Tatsuki Yamaguchi has established himself as a prominent inventor. His consistent contributions through patents illustrate his commitment to innovation and the advancement of materials science. As he continues to push the boundaries of technology, Yamaguchi remains an inspiring figure in the realm of intellectual property and innovation.

Profile summary based on public USPTO records.