Masayo Date

This inventor holds 15 USPTO granted patents and 2 published patent applications, plus 3 CIPO patents and 5 EPO patents. Top assignee: Ajinomoto Co., Ltd.. Active years: 1997-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayo Date. Retrieved from https://idiyas.com/inventor/masayo-date

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

USPTO Granted Patents = 15 (Patent Applications = 2)

% Patents Active = 73.3

CIPO Patents = 3

EPO Patents = 5 (Patent Applications = 4)

Average Co-Inventor Count = 4.5

ph-index = 4

Forward Citations = 48(Granted Patents)

Company Filing History:

15 out of 1,953

Ajinomoto Co., Ltd.

patents

Years Active: 1997-2025

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12454548 - Method for producing refolded protein by using flow microreactor, and protein refolding apparatus (2025-10-28),

2. 11859205 - Medium for culturing stem cells (2024-01-02),

3. 10463594 - Cosmetic composition (2019-11-05),

4. 10308969 - Method for preparing polymeric protein composed of monomeric protein produced by fusing protein having immunoglobulin fold structure to protein capable of serving as subunit structure (2019-06-04),

5. 9062291 - Transglutaminase having disulfide bond introduced therein (2015-06-23),

6. 8597907 - Method of producing proteins (2013-12-03),

7. 8580537 - Thermotolerant transglutaminase originating in actinomyces (2013-11-12),

8. 8187835 - Method for producing protein (2012-05-29),

9. 8105802 - Method of producing microbial transglutaminase (2012-01-31),

10. 7972829 - Process for producing transglutaminase (2011-07-05),

11. 7723067 - Process for producing transglutaminase (2010-05-25),

12. 7704707 - Method of producing microbial transglutaminase (2010-04-27),

13. 7252972 - Methods for secretory production of proteins (2007-08-07),

14. 6806049 - Method for analyzing gene expression frequency (2004-10-19),

15. 5610284 - Method of purification of human BCDF (1997-03-11),

Title: Masayo Date: Innovator in Protein Refolding and Stem Cell Culture

Introduction

Masayo Date is a prominent inventor based in Kawasaki, Japan. She has made significant contributions to the fields of protein refolding and stem cell culture. With a total of 15 patents to her name, her work has had a substantial impact on biotechnology.

Latest Patents

Among her latest patents are two notable inventions. The first is a method for producing refolded protein using a flow microreactor. This method involves mixing a buffer and a solubilization solution for proteins that have lost their higher-order structure or become insoluble. The second patent focuses on a medium for culturing stem cells. This culture media contains albumin with a reduced amount of fatty acid, which is beneficial for stem cell cultivation.

Career Highlights

Masayo Date is currently employed at Ajinomoto Co., Ltd., a leading company in the food and biotechnology sectors. Her innovative approaches have positioned her as a key figure in her field, contributing to advancements in protein engineering and regenerative medicine.

Collaborations

Throughout her career, Masayo has collaborated with esteemed colleagues, including Keiichi Yokoyama and Yoshimi Kikuchi. These partnerships have fostered a collaborative environment that enhances research and development in their respective areas of expertise.

Conclusion

Masayo Date's contributions to protein refolding and stem cell culture exemplify her innovative spirit and dedication to advancing biotechnology. Her work continues to inspire future developments in these critical fields.

Profile summary based on public USPTO records.