This inventor holds 4 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Ricoh Company, Ltd., Ricoh Research Institute of General Electronics. Active years: 1995-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Natori, JP (1995)
- Kanagawa, JP (2002 - 2004)
- Miyagi, JP (2011)
Company Filing History:


Years Active: 1995-2011
Title: The Innovations of Yoshiyuki Kiyosawa
Introduction
Yoshiyuki Kiyosawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical elements and magnetic field probes. With a total of 4 patents to his name, Kiyosawa's work showcases his expertise and innovative spirit.
Latest Patents
Kiyosawa's latest patents include an optical element and an optical device. The disclosed optical element features a transparent substrate and a subwavelength structure layer with a different refractive index. This design includes a minute concave and convex structure of one-dimensional grating, which is formed on the subwavelength structure layer. Additionally, an open hole portion is created to communicate with the concave portion, enhancing the optical performance.
Another significant patent is a magnetic field probe that incorporates a shielding layer to protect lead wires with an isolating layer. This magnetic field probe consists of a substrate and a conductive layer that includes a coil, lead wires, and pads. The design ensures that the signal from the coil is transmitted effectively while preventing distortion of the magnetic field.
Career Highlights
Throughout his career, Kiyosawa has worked with prominent companies such as Ricoh Company, Ltd. and Ricoh Research Institute of General Electronics. His experience in these organizations has contributed to his development as an inventor and innovator in his field.
Collaborations
Kiyosawa has collaborated with notable coworkers, including Futoyoshi Kou and Hideaki Hirai. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Yoshiyuki Kiyosawa's contributions to optical elements and magnetic field probes highlight his innovative capabilities. His patents reflect a deep understanding of technology and a commitment to advancing the field. Kiyosawa's work continues to inspire future innovations in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile