Kawasaki, Japan

Daisuke Ejima

This inventor holds 19 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Ajinomoto Co., Ltd., Nec Electronics Corporation, Renesas Electronics Corporation. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daisuke Ejima. Retrieved from https://idiyas.com/inventor/daisuke-ejima

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

USPTO Granted Patents = 19 

% Patents Active = 78.9

 

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 176(Granted Patents)


Location History:

  • Kanagawa, JP (2009 - 2013)
  • Kawasaki, JP (1993 - 2024)

Company Filing History:


Years Active: 1993-2025

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19 patents (USPTO):Explore Patents

Title: Spotlight on Inventor Daisuke Ejima: Pioneering Innovations in Kawasaki, JP

Introduction:

Daisuke Ejima is a distinguished inventor based in Kawasaki, JP, with a remarkable track record of 18 patents to his name. His groundbreaking work in the field of biotechnology has revolutionized the way we approach stem cell culture and protein production.

Latest Patents:

Ejima's latest patents include a revolutionary "Medium for Culturing Stem Cells" which involves culture media containing albumin with a reduced amount of fatty acid, enhancing the growth and viability of stem cells. Additionally, his "Method for Preparing Polymeric Protein" demonstrates a novel technique for producing multimeric proteins from monomeric proteins fused with distinct structural elements.

Career Highlights:

Having worked with renowned companies such as Ajinomoto Co., Ltd. and NEC Electronics Corporation, Ejima has honed his expertise and gained invaluable experience in the field of biotechnology. His relentless pursuit of innovation and excellence has led to significant advancements in the industry.

Collaborations:

Throughout his career, Ejima has collaborated with esteemed colleagues such as Tsutomu Arakawa and Ryosuke Yumioka, leveraging their collective knowledge and skills to push the boundaries of scientific discovery. These collaborations have been instrumental in shaping his inventive journey and achieving groundbreaking results.

Conclusion:

Inventor Daisuke Ejima stands as a beacon of innovation in the realm of biotechnology, with his patents reflecting a dedication to pushing the boundaries of scientific knowledge. His contributions have not only advanced the field of stem cell culture and protein production but have also inspired future generations of inventors to continue exploring the frontiers of technological advancement.

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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