Osaka, Japan

Shizuo Okamoto

This inventor holds 2 USPTO granted patents. Top assignees: Dainippon Pharmaceutical Company, Limited, Dainippon Sumitomo Pharma Co., Ltd.. Active years: 1987-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuo Okamoto. Retrieved from https://idiyas.com/inventor/shizuo-okamoto

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 4.4

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Amagasaki, JP (1987)
  • Osaka, JP (2012)

Company Filing History:


Years Active: 1987-2012

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2 patents (USPTO):Explore Patents

Title: Innovations by Shizuo Okamoto: A Spotlight on His Patents

Introduction: Shizuo Okamoto is an inventive mind hailing from Osaka, Japan. With a rich career characterized by creativity and dedication, he has secured two notable patents that reflect his expertise in pharmaceutical innovations. His contributions aim at improving medication experience and formulation stability.

Latest Patents: Among his latest patents is the invention of a medicament-containing particle designed to alleviate the unpleasant taste of certain medications. This innovative formulation is achieved by mixing and granulating three key ingredients: the medicament with an unpleasant taste, methylcellulose, and mannitol. This invention not only masks the unpleasant taste when administered but also enhances the drug's dissolvability in the gastrointestinal tract. Another significant patent involves a novel sugar-coated pharmaceutical composition that incorporates pullulan in the sugar layer. This composition aims to prevent brownish color changes over time, ensuring both aesthetic and functional integrity.

Career Highlights: Shizuo Okamoto has made significant strides in the pharmaceutical field while working with prominent companies such as Dainippon Pharmaceutical Company, Limited, and Dainippon Sumitomo Pharma Co., Ltd. His experience in these well-respected organizations has contributed to his development as a leading inventor in pharmaceutical technology.

Collaborations: Throughout his career, Okamoto has collaborated with esteemed individuals in the field, including Kiyomi Sogo and Yasuo Izutsu. These partnerships have fostered innovative ideas and facilitated advancements in pharmaceutical formulations.

Conclusion: Shizuo Okamoto's inventive contributions in the pharmaceutical sector emphasize the importance of innovation in enhancing medication experience and stability. His patents not only address practical challenges related to taste and formulation but also underline his commitment to improving patient care through better pharmaceutical solutions. As he continues to innovate, Okamoto remains a key figure in modern pharmaceutical advancements.

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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