Yoshiki Sasai

This inventor holds 37 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 24 EPO patents, primarily in Retinal Tissue Engineering. Top assignees: Riken Corporation, Sumitomo Chemical Company, Limited, Sumitomo Pharma Co., Ltd.. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiki Sasai. Retrieved from https://idiyas.com/inventor/yoshiki-sasai

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

Calculating rank

USPTO Granted Patents = 37 (Patent Applications = 2)

% Patents Active = 94.6

CIPO Patents = 1

EPO Patents = 24 (Patent Applications = 19)

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 43(Granted Patents)

Location History:

Kyoto, JP (2012)
(2019)
Hyogo, JP (2020)
Kobe, JP (2011 - 2023)
Wako, JP (2018 - 2024)

Company Filing History:

Sumitomo Chemical Company, Limited

patents

4 out of 66

Sumitomo Pharma Co., Ltd.

patents

4. 2 out of 110

Sumitomo Dainippon Pharma Co., Ltd.

Sumitomo Bakelite Company Limited

patents

where one patent can have more than one assignee

Years Active: 2011-2026

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Areas of Expertise:

Retinal Tissue

Stem Cell Culture

Nerve Tissue

Differentiation Induction

Ciliary Marginal Zone

Pluripotent Stem Cells

Adenohypophysis

Cryopreservation

Cultured Stem Cells

Anterior Eye Segment

Retinal Pigment Epithelium

Embryonic Stem Cells

37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12582677 - Methods for producing retinal tissue and retina-related cell (2026-03-24),

2. 12534706 - Method for maturation of retinal tissue containing continuous epithelium (2026-01-27),

3. 12492373 - Production method for nerve tissue (2025-12-09),

4. 12385008 - Method for producing retinal tissue (2025-08-12),

5. 12378520 - Method for producing retinal tissue and retina-related cells (2025-08-05),

6. 12291720 - Production method for retinal tissue (2025-05-06),

7. 12116593 - Method for producing adenohypophysis or precursor tissue thereof (2024-10-15),

8. 12091680 - Method for differentiation induction in cultured stem cells (2024-09-17),

9. 12090252 - Method for producing retinal tissues (2024-09-17),

10. 11898161 - Stem cell culture medium and method (2024-02-13),

11. 11834672 - Method for producing hypophysis precursor tissue (2023-12-05),

12. 11724005 - Method for manufacturing ciliary margin stem cells (2023-08-15),

13. 11542471 - Method for producing ciliary marginal zone-like structure (2023-01-03),

14. 11473056 - Method for producing retinal tissue and retina-related cells (2022-10-18),

15. 11371016 - Method for producing retinal tissue (2022-06-28),

Title: Yoshiki Sasai - Innovative Inventor from Kobe, Japan

Introduction: Yoshiki Sasai was a renowned male inventor born in Kobe, Japan, known for his groundbreaking contributions to the field of stem cell research and regenerative medicine.

Latest Patents: Yoshiki Sasai held several patents related to stem cell technologies and regenerative medicine, focusing on novel methods for cell reprogramming and tissue engineering.

Career Highlights: Throughout his illustrious career, Sasai made significant advancements in the understanding of stem cells and their potential applications in treating various medical conditions. He was a key figure in the development of organoid technology, which allows for the growth of miniature organs in the laboratory for research purposes.

Collaborations: Yoshiki Sasai collaborated with leading scientists and research institutions worldwide, fostering a culture of innovation and knowledge-sharing in the scientific community. His collaborative efforts resulted in numerous publications and patents that have had a lasting impact on the field of regenerative medicine.

Conclusion: Yoshiki Sasai's pioneering work in stem cell research and regenerative medicine continues to inspire future generations of inventors and scientists. His legacy serves as a testament to the power of innovation and collaboration in advancing scientific knowledge and improving human health.

Profile summary based on public USPTO records.