Osaka, Japan

Yoko Takahashi

This inventor holds 13 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 1 EPO patent. Top assignees: Sumitomo Dainippon Pharma Co., Ltd., Dainippon Sumitomo Pharma Co., Ltd., Minolta Company, Ltd.. Active years: 2001-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoko Takahashi. Retrieved from https://idiyas.com/inventor/yoko-takahashi

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

USPTO Granted Patents = 13 

% Patents Active = 92.3



Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 31(Granted Patents)


Location History:

  • Toyokawa, JP (2001)
  • Osaka, JP (2001 - 2022)

Company Filing History:


Years Active: 2001-2025

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13 patents (USPTO):Explore Patents

Title: Yoko Takahashi: Innovator in Pharmaceutical Chemistry

Introduction

Yoko Takahashi is a prominent inventor based in Osaka, Japan, known for her significant contributions to pharmaceutical chemistry. With a total of 13 patents to her name, she has made remarkable advancements in the field, particularly in the development of novel compounds for therapeutic use.

Latest Patents

Among her latest patents is a method for producing cis-(-)-flocino piperidol. This innovative method utilizes (+)-dibenzoyl-D-tartaric acid to optically divide (±)-1-methyl-4-(2,4,6-trimethoxyphenyl)-3-piperidinone. By adding an ether-based solvent, she achieves an extremely high yield of (R)-1-methyl-4-(2,4,6-trimethoxyphenyl)-3-piperidinone (+)-dibenzoyl-D-tartrate. The process involves treating a slurry with a base and employing a 'three-dimensionally bulky reducing agent' to produce cis-(−)-flocinopiperidol with surprising selectivity. Another notable patent is for a pyrazole compound, which serves as a novel serotonin reuptake inhibitor exhibiting 5-HT antagonistic action, particularly with antidepressive and anxiolytic effects.

Career Highlights

Yoko has worked with esteemed companies such as Sumitomo Dainippon Pharma Co., Ltd. and Dainippon Sumitomo Pharma Co., Ltd. Her work in these organizations has been instrumental in advancing pharmaceutical research and development.

Collaborations

Throughout her career, Yoko has collaborated with notable colleagues, including Izumi Sasaki and Tomohiro Toyoda. These partnerships have fostered innovation and contributed to her success in the field.

Conclusion

Yoko Takahashi's contributions to pharmaceutical chemistry through her patents and collaborations highlight her as a leading inventor in her field. Her innovative methods and compounds continue to impact the industry positively.

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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