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For the Inventor, By the Inventor

Yokohama, Japan

Mitsuru Shibukawa

USPTO Granted Patents = 11

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 89(Granted Patents)


Location History:

  • Fuji, JP (1980)
  • Shizuoka, JP (1984)
  • Yokohama, JP (1982 - 1985)

Company Filing History:

goldMedal11 out of 1,297 
 
Asahi Kasei Kogyo Kabushiki Kaisha
 patents

Years Active: 1980-1985

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11 patents (USPTO):Explore Patents
1. 4556651 - Secalonic acid derivatives as antitumor agents (1985-12-03),
2. 4477659 - Cephalosporin compound (1984-10-16),
3. 4465668 - Method for improving intestinal absorption of cephalosporin derivatives (1984-08-14),
4. 4450233 - Immobilization of microorganisms in a polymer gel (1984-05-22),
5. 4418061 - Secalonic acid derivatives and method for preparing thereof (1983-11-29),
6. 4409105 - Dried, sterilized, gamma-globulin-fixed column and a process for (1983-10-11),
7. 4393225 - AI-77 Compounds and pharmaceutically acceptable salts thereof (1983-07-12),
8. 4360594 - Process for producing L-tryptophan or derivatives thereof using (1982-11-23),
9. 4349627 - Process for producing L-tryptophan or derivatives thereof using a (1982-09-14),
10. 4317882 - Production of plasminogen activator (1982-03-02),
11. 4229573 - 7.alpha.-Methoxycephalosporin derivatives (1980-10-21),

Title: Mitsuru Shibukawa: Innovator in Antitumor Agents and Cephalosporin Compounds

Introduction

Mitsuru Shibukawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of antitumor agents and cephalosporin compounds. With a total of 11 patents to his name, Shibukawa's work has had a notable impact on medical science.

Latest Patents

Among his latest patents is a formulation of secalonic acid derivatives as antitumor agents. This innovative compound features a complex structure where R can be a hydrogen atom or a C1-4 alkyl group, and R3 can vary from a hydrogen atom to various functional groups. Another significant patent involves a cephalosporin compound characterized by a general formula that includes various substituents, enhancing its therapeutic potential.

Career Highlights

Mitsuru Shibukawa is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical and pharmaceutical industry. His work at this organization has allowed him to focus on groundbreaking research and development in drug formulation.

Collaborations

Shibukawa has collaborated with notable colleagues such as Akio Mimura and Katsumi Yuasa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Mitsuru Shibukawa's contributions to the field of pharmaceuticals through his patents and collaborations highlight his role as a key innovator. His work continues to influence the development of effective medical treatments.

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