Location History:
- Kita-ku, Sapporo-shi, Hokkaido, JP (1980)
- Sapporo-shi, Hokkaido, JP (1982)
- Sapporo, JP (1983 - 1985)
Company Filing History:
3 out of 1,586 
1 out of 1 
2 out of 832,718 Years Active: 1980-1985
Title: Hidematsu Hirai: Innovator in Antitumor Therapeutics
Introduction
Hidematsu Hirai is a notable inventor based in Sapporo, Japan. He has made significant contributions to the field of biotechnology, particularly in the development of innovative antitumor therapies. With a total of 4 patents to his name, Hirai's work focuses on creating conjugates and hybrids that enhance the efficacy of cancer treatments.
Latest Patents
Hirai's latest patents include groundbreaking inventions such as a conjugate having cytotoxicity and a process for its preparation. This conjugate is designed by covalently binding a polymer with cytotoxic substances to an immunoglobulin or its fragment, which selectively binds to specific antigens on target cells. Another significant patent is for an antitumor protein hybrid, which combines an antitumor immunoglobulin with a fragment of diphtheria toxin, enhancing its therapeutic potential.
Career Highlights
Throughout his career, Hidematsu Hirai has worked with prominent companies, including Teijin Limited. His innovative approaches have positioned him as a key figure in the development of advanced cancer therapies. His research has contributed to the understanding and application of targeted treatments in oncology.
Collaborations
Hirai has collaborated with esteemed colleagues such as Naoji Umemoto and Takeshi Hara. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in the field of biotechnology.
Conclusion
Hidematsu Hirai's contributions to antitumor therapeutics exemplify the impact of innovation in medicine. His patents reflect a commitment to improving cancer treatment through scientific research and collaboration.
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.