Ashiya, Japan

Tadashi Okamoto

This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Okamoto. Retrieved from https://idiyas.com/inventor/tadashi-okamoto-s7ca0md0

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 = 9.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1977

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2 patents (USPTO):Explore Patents

Title: The Innovations of Inventor Tadashi Okamoto

Introduction

Tadashi Okamoto is a notable inventor based in Ashiya, Japan, recognized for his contributions to the field of organic chemistry. With a focus on the development of pharmaceutical compounds, his innovative work has led to the granting of two patents.

Latest Patents

Okamoto's latest patents include a process for preparing 1,4-benzodiazepines and methods for synthesizing benzodiazepine derivatives. Specifically, one patent details the preparation of various 1,4-benzodiazepine derivatives by reacting specific compounds in the presence of diborane and an inert solvent. Another patent describes the synthesis of a 1-alkyl-1,2,4,5-tetrahydro-3H-1,4-benzodiazepine derivative using a 1-aminoethyl-indole derivative and an appropriate oxidizing agent, providing key compounds useful for their tranquillizing and muscle-relaxant properties.

Career Highlights

Tadashi Okamoto has made significant strides in the industry while working at Sumitomo Chemical Company, Limited. His work not only enhances chemical processes but also contributes to the development of pharmaceuticals that can improve various medical treatments.

Collaborations

Throughout his career, Okamoto has collaborated with esteemed colleagues such as Hisao Yamamoto and Shigeho Inaba. These partnerships have fostered a research environment that promotes innovation and the advancement of chemical applications.

Conclusion

Tadashi Okamoto's contributions to chemical research and patent development reflect a commitment to innovation in the pharmaceutical field. His work continues to play a critical role in the synthesis of important therapeutic compounds, underscoring the significant impact inventors have on medicine and technology.

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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