Company Filing History:

5 out of 677

Eisai Company, Limited

patents

4 out of 527

Eisai R&d Management Co., Ltd.

patents

Years Active: 2003-2011

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7956222 - Methods for producing dibromofluorobenzene derivatives (2011-06-07),

2. 7772226 - Condensed imidazole derivatives (2010-08-10),

3. 7524847 - Fused 1,3-dihydro-imidazole ring compounds (2009-04-28),

4. 7238720 - Pharmaceutical use of N-carbamoylazole derivatives (2007-07-03),

5. 7112593 - N-aryl-substituted cyclic amine derivative and medicine containing the same as active ingredient (2006-09-26),

6. 7074798 - Xanthine derivative and DPPIV inhibitor (2006-07-11),

7. RE39112 - Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes (2006-05-29),

8. 6841549 - Condensed imidazole compounds and a therapeutic agent for diabetes mellitus (2005-01-11),

9. 6579868 - Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes (2003-06-17),

Title: Seiji Yoshikawa: Innovator in Chemical Production

Introduction

Seiji Yoshikawa is a notable inventor based in Kashima-gun, Japan. He has made significant contributions to the field of chemical production, holding a total of 9 patents. His work primarily focuses on the development of novel compounds and methods that have practical applications in various industries.

Latest Patents

Yoshikawa's latest patents include innovative methods for producing dibromofluorobenzene derivatives. These methods involve a reaction of specific compounds in a solvent with a brominating reagent. Additionally, he has developed condensed imidazole derivatives, which are novel compounds exhibiting excellent DPPIV-inhibiting activity. These advancements highlight his commitment to enhancing chemical processes and creating valuable compounds.

Career Highlights

Throughout his career, Seiji Yoshikawa has worked with prominent companies such as Eisai Company, Limited and Eisai R&D Management Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant projects in the pharmaceutical and chemical sectors.

Collaborations

Yoshikawa has collaborated with esteemed colleagues, including Nobuyuki Yasuda and Hironori Ikuta. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Seiji Yoshikawa's contributions to chemical production and his impressive portfolio of patents underscore his role as a leading inventor in his field. His work continues to influence the development of new compounds and methods that benefit various industries.

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