Location History:
- Fuji, JP (2003)
- Tokyo, JP (1992 - 2015)
Company Filing History:
16 out of 90,594 
2 out of 589 
1 out of 42,485 
Years Active: 1992-2015
Title: Hiroyuki Shirai: A Driving Force in Innovative Patents
Introduction
Hiroyuki Shirai, based in Tokyo, Japan, is a notable inventor recognized for his significant contributions to the field of electrical engineering and pharmaceuticals. With a remarkable portfolio of 19 patents, Shirai has made substantial advancements that benefit various industries, showcasing his expertise and innovative spirit.
Latest Patents
Among his latest inventions are two groundbreaking patents. The first is an "Electrode for Vacuum Circuit Breaker," which features a cylindrical conducting body designed with a contact electrode and a series of inclined slits. These slits are strategically placed to optimize performance, becoming narrower as they move away from the contact electrode, enhancing the efficiency of vacuum circuit breakers. The second patent, "Indomethacin External Preparation," presents a formulation that promises excellent use experience and superior absorbability. It comprises specific percentages of indomethacin, alcohol, gelling agents, oil components, and water, ensuring stability over time without phase separation.
Career Highlights
Hiroyuki Shirai's career includes affiliations with prestigious companies such as Canon Inc. and Kowa Company Limited. His expertise in creating innovative solutions has made him a valued contributor in both organizations, where he applied his knowledge to develop cutting-edge products and technologies.
Collaborations
During his career, Shirai collaborated with esteemed professionals like Tadayuki Tsuda and Kazushi Watanabe. These partnerships have fostered a rich exchange of ideas and insights, further propelling innovations within their respective fields.
Conclusion
Hiroyuki Shirai stands as a testament to the power of innovation in technology and medicine. With a portfolio of impactful patents, his work continues to inspire future generations of inventors and engineers, paving the way for advancements that improve everyday life.
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.