Company Filing History:

10 out of 439

Suntory Limited

patents

2 out of 23

Daiichi Suntory Pharma Co., Ltd.

patents

2 out of 516

Nippon Soda Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1991-2005

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6867297 - Process for synthesizing 4-substituted azetidinone derivatives (2005-03-15),

2. 6734180 - NF-&kgr;B inhibitor comprising an indan derivative as an active ingredient (2004-05-11),

3. 6051569 - 1'S, 5R, 6R-carbapenem derivatives and antimicrobial agents comprising (2000-04-18),

4. 6049009 - Production method of optically active trans-vinylsulfide alcohol (2000-04-11),

5. 5885981 - Antibacterial penem esters derivatives (1999-03-23),

6. 5830889 - Antibacterial penem esters derivatives (1998-11-03),

7. 5821362 - Method of desilylating silylether compounds (1998-10-13),

8. 5703068 - Penem compounds (1997-12-30),

9. 5506225 - Antibacterial penem compounds (1996-04-09),

10. 5026844 - Process for the preparation of 4-acyloxy-2-azetidinone derivatives (1991-06-25),

11. 4997829 - Penem compounds, and use thereof (1991-03-05),

12. 4985575 - Process for preparing optically active tetrahydro-2-furoic acid (1991-01-15),

Title: The Ingenious Mind of Takashi Nakatsuka: Innovator from Osaka

Introduction

Takashi Nakatsuka, a distinguished inventor based in Osaka, Japan, has made significant contributions to the field of chemistry through his innovative ideas and patented inventions. With a remarkable portfolio of 12 patents, Nakatsuka has established himself as a leading figure in his domain, particularly known for his work in organic synthesis.

Latest Patents

Among his latest patents, one stands out for its intricate process: the development of a method for synthesizing 4-substituted azetidinone derivatives. This novel approach involves the reaction of an azetidinone derivative—characterized by a general formula with various substituents—with an ester compound. The process utilizes zinc and copper compounds to yield a 4-substituted azetidinone derivative, showcasing Nakatsuka's proficiency in synthetic chemistry. Additionally, he has developed an NF-κB inhibitor that comprises an indan derivative as an active ingredient, highlighting his innovative contributions to pharmacology and therapeutic applications.

Career Highlights

Takashi Nakatsuka’s career has been marked by his association with prominent companies such as Suntory Limited and Daiichi Suntory Pharma Co., Ltd. His work in these respected institutions has allowed him to explore the boundaries of pharmaceutical innovation and chemical synthesis, leading to groundbreaking developments that benefit various industries.

Collaborations

Throughout his career, Nakatsuka has collaborated with talented individuals, including Masaji Ishiguro and Hiromitsu Iwata. These partnerships have enriched his research experience and fostered an environment conducive to innovation, facilitating the exchange of ideas and expertise that have culminated in his numerous patents.

Conclusion

In conclusion, Takashi Nakatsuka's inventive spirit and dedication to his craft have positioned him as a notable inventor within the realm of chemical synthesis and pharmaceuticals. His contributions, underscored by a robust portfolio of patents, continue to impact various fields, solidifying his legacy as an influential figure in modern innovation.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.