Katsutoshi Okawa

Title: Innovator Katsutoshi Okawa: Advancing Document Validation Technology

Introduction: Katsutoshi Okawa is a prominent inventor based in Tokyo, Japan, known for his notable contributions to document photosensor technology. With a total of four patents to his name, Katsutoshi has demonstrated a commitment to enhancing the validation performance of bills through innovative design and precision engineering.

Latest Patents: Katsutoshi Okawa's latest inventions revolve around document photosensors designed for superior accuracy in detecting and validating bills. One of his key patents features a document photosensor that comprises a substrate with a bracket for forming a light diffusion chamber and a light receiving chamber. This invention utilizes an LED chip, which is surface-mounted in the light diffusion chamber, alongside a photodiode (PD) chip in the light receiving chamber. These components are precisely positioned on the substrate with an accuracy of a few micrometers, allowing for exact detection of light emitted from the LED chip, whether directly or after being reflected off a bill moving along a passageway.

Another notable patent includes a dual assembly configuration with upper and lower sensor assemblies positioned on opposite sides of a document passageway. Each assembly is equipped with LED chips and PD chips that are secured on their respective substrates with similar precision. This design enhances the ability to detect lights penetrating through specific points on a moving bill, further improving the validation performance and reliability of the system.

Career Highlights: Katsutoshi Okawa is employed by Japan Cash Machine Co., Ltd., where his inventive prowess has contributed significantly to the company’s advancements in cash handling and document processing technologies. His dedication to research and development continues to pave the way for innovative solutions in the industry.

Collaborations: Throughout his career, Katsutoshi has collaborated with other talented individuals, including his coworkers Seiji Asakawa and Yoshiaki Uemizo. Together, they have shared ideas and expertise, fostering an environment of creativity and innovation within their projects.

Conclusion: Katsutoshi Okawa's work as an inventor has made a remarkable impact on the field of document validation technology. With his latest patents showcasing cutting-edge solutions for improving sensor accuracy and performance, he stands as a prominent figure in advancing the capabilities of document processing systems. His continual contributions at Japan Cash Machine Co., Ltd. highlight the important role of innovation in enhancing financial transaction technologies.