Naoyuki Yokota

This inventor holds 6 USPTO granted patents and 3 published patent applications, plus 2 CIPO patents and 2 EPO patents. Top assignees: Ube Industries, Inc., Daiichi Sankyo Company, Limited. Active years: 1999-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoyuki Yokota. Retrieved from https://idiyas.com/inventor/naoyuki-yokota

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

USPTO Granted Patents = 6 (Patent Applications = 3)

% Patents Active = 100.0

CIPO Patents = 2

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 4.7

ph-index = 1

Forward Citations = 9(Granted Patents)

Location History:

Ube, JP (1999 - 2003)
Yamaguchi, JP (2012)

Company Filing History:

Daiichi Sankyo Company, Limited

patents

where one patent can have more than one assignee

Years Active: 1999-2012

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8193358 - Process for producing high-purity prasugrel and acid addition salt thereof (2012-06-05),

2. 6593488 - 4-fluoro-3-oxocarboxylic esters and process for producing the same (2003-07-15),

3. 6340757 - 6-(1-fluoroalkyl)-4-pyrimidones and processes for producing the same (2002-01-22),

4. 6307091 - Trifluoro-substituted benzoic acid, esters thereof and processes for preparing the same (2001-10-23),

5. 6160171 - Trifluoro-substituted benzoic acid, esters thereof, and process for (2000-12-12),

6. 5874581 - 2-silyloxy-tetrahydrothienopyridine, salt thereof and process for (1999-02-23),

Title: Naoyuki Yokota: Innovator in Pharmaceutical Processes

Introduction

Naoyuki Yokota is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the production of high-purity compounds. With a total of 6 patents to his name, Yokota's work has had a notable impact on the industry.

Latest Patents

One of his latest patents is titled "Process for producing high-purity prasugrel and acid addition salt thereof." This invention focuses on providing prasugrel hydrochloride with a reduced content of OXTP. The method involves dissolving free prasugrel containing OXTP in an inert solvent and adding hydrochloric acid dropwise to the solution for reaction. Another significant patent is for "4-fluoro-3-oxocarboxylic esters and process for producing the same," which further showcases his innovative approach to chemical processes.

Career Highlights

Throughout his career, Naoyuki Yokota has worked with notable companies such as Ube Industries, Inc. and Daiichi Sankyo Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to various advancements in pharmaceutical technology.

Collaborations

Yokota has collaborated with esteemed colleagues, including Kikuo Ataka and Yasuhito Yamamoto. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Naoyuki Yokota's contributions to the pharmaceutical industry through his innovative patents and collaborations highlight his role as a key inventor in the field. His work continues to influence the production of high-purity compounds, showcasing the importance of innovation in pharmaceuticals.

Profile summary based on public USPTO records.