Company Filing History:
4 out of 15,502 
3 out of 23 
1 out of 75 Years Active: 1992-1997
Title: Hirohisa Okuyama: Innovator in Ultrasound Technology
Introduction
Hirohisa Okuyama is a notable inventor based in San Francisco, CA, with a focus on enhancing drug delivery methods through innovative ultrasound technology. He holds a total of four patents that contribute significantly to the field of biomedical engineering.
Latest Patents
Okuyama's latest patents include groundbreaking methods for enhancing the permeability of the skin or other biological membranes to facilitate drug delivery. One of his patents, titled "Ultrasound-enhanced sampling of materials through the skin," discloses a method that utilizes ultrasound frequencies above 10 MHz to improve the delivery of drugs. This method can also be combined with chemical permeation enhancers and iontophoresis to further enhance drug absorption. Another patent, "Ultrasound-enhanced delivery of materials into and through the skin," similarly focuses on using ultrasound to increase skin permeability for drug delivery, showcasing his commitment to advancing medical technology.
Career Highlights
Throughout his career, Okuyama has worked with prestigious institutions, including the University of California and Cygnus Therapeutic Systems. His work has been instrumental in developing innovative solutions for drug delivery, making significant contributions to the medical field.
Collaborations
Okuyama has collaborated with notable professionals in his field, including Durairaj Bommannan and Richard H Guy. These collaborations have further enriched his research and development efforts.
Conclusion
Hirohisa Okuyama's contributions to ultrasound technology and drug delivery systems highlight his innovative spirit and dedication to improving healthcare solutions. His patents reflect a commitment to advancing medical technology for better patient outcomes.