Company Filing History:

3 out of 1,379

Mitsui Toatsu Chemicals, Incorporated

Rational Drug Design Laboratories

Years Active: 1987-2003

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6565890 - Antiviral drugs containing heteropolyanions (2003-05-20),

2. 6403568 - 4′-C-ethynyl pyrimidine nucleosides and pharmaceutical compositions thereof (2002-06-11),

3. 6291670 - 4′-C-ethynyl pyrimidine nucleoside compounds and pharmaceutical compositions (2001-09-18),

4. 5948916 - Arylthiadiazole derivative and antiviral agent containing the same (1999-09-07),

5. 5698580 - Antiviral agent containing benzodithiin derivative as active ingredient (1997-12-16),

6. 5521085 - Transformed cell lines producing human monoclonal antibodies specific (1996-05-28),

7. 5114712 - Common antigen (PSC-A) to Pseudomonas aeruginosa which acts as an agent (1992-05-19),

8. 4702910 - Common antigen (PSC-A) to Pseudomonas aeruginosa which acts as an agent (1987-10-27),

Title: The Innovative Mind of Shiro Shigeta: Pioneering Advances in Antiviral Drugs

Introduction: Shiro Shigeta, an esteemed inventor from Fukushima, Japan, holds an impressive portfolio of eight patents. His contributions to the field of pharmaceutical chemistry, particularly in antiviral drug development, have positioned him as a prominent figure in medical innovations.

Latest Patents: Among his recent inventions, Shigeta's work on "Antiviral drugs containing heteropolyanions" stands out. This compound is aimed at creating an effective antiviral drug primarily consisting of salts of heteropolyanions, specifically those derived from tungstoantimonate (III) vanadium-mixed metal oxides. The formula represented is [(XW O ) V O ], where 'p' is a positive number between 9 and 12 and 'X' can be Sb, P, As, or Bi, with a particular emphasis on Sb. This antiviral formulation boasts a broad spectrum of activity, exhibiting high potency and low toxicity. Additionally, his patent on "4′-C-ethynyl pyrimidine nucleosides and pharmaceutical compositions thereof" showcases his dedication to advancing healthcare solutions.

Career Highlights: Shiro Shigeta's career has been significantly enriched by his tenure at notable companies such as Mitsui Toatsu Chemicals, Incorporated and Yamasa Corporation. These institutions have provided a platform for his innovative research and development efforts in the pharmaceutical sector.

Collaborations: Throughout his career, Shigeta has collaborated with esteemed colleagues including Tamotsu Fukuda and Hiroshi Ohrui. Their partnership has fostered a dynamic environment for innovative thinking and problem-solving in the field of antiviral drug design.

Conclusion: Shiro Shigeta's contributions to the realm of antiviral pharmaceuticals underscore the importance of innovation in addressing global health challenges. With a robust portfolio of patents reflecting his inventive spirit, Shigeta continues to inspire future generations of inventors and researchers in the pursuit of medical breakthroughs.

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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.