Location History:
- Kagawa-ken, JP (1998)
- Kagawa, JP (1996 - 2006)
- Ohkawa-gun, JP (2006)
- Higashikagawa, JP (2018 - 2020)
Company Filing History:
4 out of 95 
3 out of 7 
1 out of 23 
Years Active: 1996-2020
Title: Mitsuji Akazawa: Innovator in Transdermal Drug Delivery Systems
Introduction
Mitsuji Akazawa is a prominent inventor based in Higashikagawa, Japan. He has made significant contributions to the field of transdermal drug delivery systems, holding a total of 9 patents. His innovative work focuses on adhesive patches that enhance the delivery of medications through the skin.
Latest Patents
One of Akazawa's latest patents is the "Rivastigmine-containing adhesive patch." This invention provides a patch that includes an adhesive layer maintaining a drug, formed on a support. The adhesive layer comprises a thermoplastic elastomer, a non-volatile hydrocarbon oil in an amount exceeding 50 parts by weight and not more than 800 parts by weight per 100 parts by weight of the elastomer, and rivastigmine or a salt thereof. Additionally, the adhesive layer may contain a tackifier at a content of not more than 10 wt %.
Another notable patent is the "Adhesive sheet for attachment to skin and percutaneous absorption preparation using same." This invention offers an adhesive sheet that demonstrates sufficient adhesiveness to the skin while causing low skin irritation. The adhesive layer is formed on a support and contains a thermoplastic elastomer, a non-volatile hydrocarbon oil, and polyisobutylene, without a tackifier. The polyisobutylene used is a medium molecular weight variant with a viscosity average molecular weight of more than 100,000 and not more than 500,000. This invention also includes a percutaneous absorption preparation containing a drug or a pharmaceutically acceptable salt thereof in the adhesive layer.
Career Highlights
Throughout his career, Mitsuji Akazawa has worked with notable companies such as Teikoku Seiyaku Co., Ltd. and Km Transderm Ltd. His experience in these organizations has contributed to his expertise in developing innovative drug delivery systems.
Collaborations
Akazawa has collaborated with several professionals in his field, including Hiroyuki Ogino and Masaoki Goto. These collaborations have likely enhanced his research and development efforts, leading to the successful creation of his patented inventions.
Conclusion
Mitsuji Akazawa is a distinguished inventor whose work in transdermal drug delivery systems has led to significant advancements in the field. His