Location History:
- Kagawa, JP (2011)
- Kagawa-ken, JP (2015)
- Higashikagawa, JP (2018 - 2020)
- Takamatsu, JP (2011 - 2021)
Company Filing History:
6 out of 95 
3 out of 51 
3 out of 23 
Years Active: 2011-2021
Title: Sadanobu Shirai: Innovator in Adhesive Technologies
Introduction
Sadanobu Shirai, based in Takamatsu, Japan, is a prominent inventor known for his contributions to adhesive technology. With a total of 9 patents to his name, Shirai has made significant strides in developing innovative solutions that enhance the efficacy and usability of adhesive products.
Latest Patents
One of his notable inventions is the water-based adhesive patch. This innovative patch is designed to stably contain either the S-enantiomer or the R-enantiomer of a drug at high concentrations over extended periods. Its excellent adhesive properties and shape retention allow for increased skin permeability of the drug, making it an effective option for medical applications. Additionally, Shirai developed a backing with a three-layer structure for the aqueous patch. This structure includes an inner fiber layer, a film layer with through-holes, and an air-permeable outer fiber layer. This design not only prevents leakage of the pasty preparation but also ensures that the aqueous patch can be applied comfortably for long durations.
Career Highlights
Sadanobu Shirai has had a rich professional journey, having worked with notable companies such as Teikoku Seiyaku Co., Ltd. and Teikoku Pharma USA, Inc. His expertise in adhesive technology has allowed him to influence standards and practices in the industry significantly.
Collaborations
Throughout his career, Shirai has collaborated with esteemed colleagues, including John Koo and Jutaro Shudo. These collaborations have played a vital role in advancing research and enhancing the quality of the innovations in adhesive technologies.
Conclusion
Sadanobu Shirai stands out as an influential inventor in the field of adhesive technology. His innovative approaches to creating effective adhesive patches are setting new standards in the industry and potentially improving patient care in medical fields. With a growing portfolio of patents, Shirai continues to contribute meaningfully to advancements in this critical area of innovation.
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.