Location History:
- Shoreline, WA (US) (2006)
- Portland, OR (US) (1999 - 2007)
- Villa Park, CA (US) (2011)
Company Filing History:
18 out of 54,726 
1 out of 832,812 Years Active: 1999-2011
Title: David H Koizumi - Innovator and Inventor from Portland, OR
Introduction
David H Koizumi is a prolific inventor based in Portland, Oregon, who holds an impressive total of 19 patents. His works span various innovative fields, showcasing a unique blend of creativity and technical expertise. Koizumi's contributions to the realm of inventions have a significant impact, particularly in areas related to pain management and data encoding.
Latest Patents
Among David H Koizumi's latest patents is a groundbreaking invention related to defense and counter-defense compositions and methods. This innovative composition utilizes a proteinase to alleviate capsaicin-induced pain sensations in mammals. Notably, the proteinase utilized in this invention preferably consists of a bromelain preparation, which is designed for liquid formulation in either topical or enteral administration. Additionally, his patent features the incorporation of a proteinase inhibitor in pepper spray, ensuring the effectiveness of capsaicin by preventing its inactivation by the proteinase.
Another notable invention is the magnetic ink encoding pen, which demonstrates his ingenuity in the field of data storage and retrieval. This patent outlines several embodiments, including a system where an information signal is stored in magnetic ink. The invention also includes a magnetic ink encoding stylus that features a magnetic ink write head, capable of interfacing with a computer system through an external bus.
Career Highlights
David H Koizumi has made significant strides in his career, having worked with renowned companies like Intel Corporation. His tenure in such an influential company has undoubtedly enriched his understanding and contribution to the field of technology and innovation.
Collaborations
During his professional journey, Koizumi has collaborated with distinguished colleagues, notably Bradford H Needham and Daniel A Teibel. These collaborations have likely fostered creativity and synergy, enhancing the quality and scope of his inventions.
Conclusion
David H Koizumi stands out as a remarkable inventor whose patents reflect both practical applications and innovative thinking. With his latest inventions aimed at revolutionizing pain management and data encoding, he continues to make valuable contributions to the scientific and engineering landscapes. His legacy is marked by a commitment to enhancing everyday life through innovative solutions.