Company Filing History:
Years Active: 2001-2016
Title: Innovations by Yoshihisa Hama
Introduction
Yoshihisa Hama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of medical devices, particularly in the development of safety syringes and prefilled syringes. With a total of 7 patents to his name, Hama's work has had a considerable impact on healthcare practices.
Latest Patents
One of Hama's latest patents is a safety syringe designed to prevent the needle storage mechanism from being operated before use. This innovative syringe includes an injection barrel with a connecting portion at the distal end and an opening at the proximal end. It features a needle assembly with an injection needle and a needle base, which is connected to the connecting portion. The design incorporates a joint preventing mechanism that ensures the joining means and the joined means do not connect unintentionally before use, allowing for safe operation during actual use.
Another significant patent is for a prefilled syringe, which consists of a barrel with a luer tip at one end and an open proximal end. This barrel is constructed with a three-layer structure, including an innermost layer and an outermost layer made of polyolefin resin, with an intermediate layer that has barrier properties. The production method involves sequential steps to ensure the integrity and functionality of the syringe.
Career Highlights
Throughout his career, Yoshihisa Hama has worked with prominent companies in the medical field, including Nipro Corporation and Nissho Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative medical solutions.
Collaborations
Hama has collaborated with notable colleagues such as Minoru Sano and Masakazu Mameta. Their combined expertise has fostered advancements in medical device technology.
Conclusion
Yoshihisa Hama's contributions to the field of medical devices, particularly through his innovative patents, have significantly enhanced safety and efficiency in healthcare. His work continues to influence the development of medical technologies that prioritize patient safety and usability.