Gifu, Japan

Masahiro Nakajima

This inventor holds 3 USPTO granted patents. Top assignee: Sanwa Kagaku Kenkyusho Co., Ltd.. Active years: 1994-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Nakajima. Retrieved from https://idiyas.com/inventor/masahiro-nakajima-dc2dvug6

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.2

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Gifu, JP (1994)
  • Nagoya, JP (2004)

Company Filing History:


Years Active: 1994-2004

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3 patents (USPTO):Explore Patents

Title: **Innovator Masahiro Nakajima: Advancing Medical Chemistry**

Introduction

Masahiro Nakajima is a prominent inventor based in Gifu, Japan, recognized for his valuable contributions to the field of medical chemistry. With a total of three patents to his name, Nakajima has played a pivotal role in developing groundbreaking therapies aimed at improving patient care and quality of life.

Latest Patents

One of Nakajima's latest inventions is a **polystyrene sulfonate-containing gel preparation**, designed for the treatment of hyperpotassemia. This innovative gel maintains a controlled particle size of polystyrene sulfonate within the range of 5-100 µm. By adjusting the viscosity of its solution with the addition of a thickening agent, the preparation ensures that the polystyrene sulfonate particles remain uniformly dispersed after gelation. Importantly, this formulation minimizes the sensation of foreign matter when ingested, alleviating the need for additional water intake. This is particularly beneficial for patients with renal insufficiency, making it easier for them to manage their water consumption while significantly enhancing their quality of life.

Another noteworthy patent involves a **composition containing an organogermanium compound** along with an immunity adjusting agent. This composition targets the treatment of hepatitis and utilizes a germanium derivative to bolster immune response. By including a high molecular carrier, Nakajima's invention showcases the application of organogermanium compounds in therapeutic interventions.

Career Highlights

Nakajima is associated with **Sanwa Kagaku Kenkyusho Co., Ltd.**, a leading company in the pharmaceutical industry. His work emphasizes the intersection of chemical innovation and patient-centered medical solutions, underscoring his importance in the field.

Collaborations

Throughout his career, Nakajima has collaborated with notable colleagues, including Kiichi Sawai and Masayasu Kurono. These partnerships have fostered an environment of creativity and innovation, resulting in advancements that have the potential to transform patient care.

Conclusion

Masahiro Nakajima stands out as a key inventor in the realm of medical chemistry, dedicated to improving therapeutic methods for patients. His recent patents reflect a commitment to innovation and patient wellbeing, ensuring that his work will continue to have a positive impact in medical treatments for years to come.

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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