Company Filing History:

33 out of 730

Kyowa Hakko Kogyo Co., Ltd.

patents

8 out of 45

Kyowa Hakko Kogyo Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1981-2001

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41 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 6197998 - Process for producing N-glycyltyrosine and its crystal structure (2001-03-06),

2. 5952355 - Propenone derivatives (1999-09-14),

3. 5780677 - Process for producing glutamine derivative (1998-07-14),

4. 5756823 - Glutathione monoester sulfonate (1998-05-26),

5. 5585488 - Process for producing indolocarbazole derivatives (1996-12-17),

6. 5550283 - Process for producing alanylglutamine (1996-08-27),

7. 5539112 - 5-aminoflavone derivatives (1996-07-23),

8. 5468474 - N-acylglutamine derivatives and cosmetic compositions (1995-11-21),

9. 5380934 - Process for producing alanylgutamine (1995-01-10),

10. 5344938 - Indole 3-carboxylic acid derivatives (1994-09-06),

11. 5334611 - 6-ethyl mitomycin derivatives (1994-08-02),

12. 5256685 - Mitomycin derivatives (1993-10-26),

13. 5220026 - Pyrazoloacridone derivatives (1993-06-15),

14. 5218126 - Halogen substituted mitomycin derivatives (1993-06-08),

15. 5180825 - Mitomycin derivatives (1993-01-19),

Title: Innovations of Masaji Kasai: A Pioneer in Chemical Patents

Introduction

Masaji Kasai, an accomplished inventor located in Fujisawa, Japan, is known for his remarkable contributions to the field of chemistry with a total of 41 patents to his name. His innovative work primarily focuses on the development of pharmaceutical compounds and chemical processes, which have significantly impacted the industry.

Latest Patents

Among his latest patents, two notable inventions stand out: the "Process for producing N-glycyltyrosine and its crystal structure" and a series of "Propenone derivatives." The former describes an efficient method for producing high purity N-glycyltyrosine, essential for various pharmaceutical applications. The latter relates to propenone derivatives, which are represented by specific chemical formulas, detailing various substituents and their potential therapeutic applications.

Career Highlights

Masaji Kasai has had a distinguished career, with significant contributions while working at renowned companies such as Kyowa Hakko Kogyo Co., Ltd. and Kyowa Hakko Kogyo Kabushiki Kaisha. His innovative spirit and dedication to research have established him as a prominent figure in the field of chemical innovations.

Collaborations

Throughout his career, Kasai has collaborated with notable professionals in the industry, including Tadashi Ashizawa and Makoto Morimoto. These partnerships have fostered a collaborative environment that has led to groundbreaking advancements in chemical research and innovation.

Conclusion

In summary, Masaji Kasai's dedication to innovation and excellence in the field of chemistry is evident through his extensive patent portfolio and collaborations with esteemed colleagues. His ongoing contributions continue to pave the way for future advancements in pharmaceuticals and chemical processes, solidifying his legacy as a pioneering inventor.

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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.