Company Filing History:
Years Active: 1998-2004
Title: Tsutomu Uezono: Innovator in Optical Printing Technology
Introduction
Tsutomu Uezono is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical printing technology, holding a total of 12 patents. His work has advanced the capabilities of printing systems, particularly in enhancing image quality and efficiency.
Latest Patents
One of Uezono's latest innovations is an optical printer head with integrated drive circuitry. This device features a plurality of light-emitting devices arranged in two dimensions, allowing for precise exposure control even with low luminance. It simplifies corrections to the sensitivity of photosensitive bodies and positional displacements of printed objects. The printer head is designed to perform printing on multiple gray scales, achieving high density and miniaturization. The configuration includes a picture element array with light-emitting devices, a horizontal scanning circuit, and a vertical scanning circuit, all formed on the same insulating substrate. This design enhances the continuity of gray scale by varying the luminance of the picture elements.
Another notable patent is a liquid electrophotographic imaging system that maximizes the solid toner ratio. This system prevents image drift and reduces the load during the squeezing process. It features a developing roller that supplies a liquid developer to a photoreceptor belt while rotating in the opposite direction. The peripheral velocity ratio is optimized to maximize the solid component ratio of the developed toner layer on the photoreceptor belt.
Career Highlights
Tsutomu Uezono is currently employed at NEC Corporation, where he continues to innovate in the field of optical printing. His work has been instrumental in developing advanced printing technologies that meet the demands of modern applications.
Collaborations
Uezono has collaborated with notable coworkers, including Yasuhiro Funayama and Tomoyuki Yoshii. Their combined expertise has contributed to the success of various projects and patents.
Conclusion
Tsutomu Uezono's contributions to optical printing technology have significantly impacted the industry. His innovative patents reflect a commitment to enhancing printing capabilities and efficiency. Uezono's work continues to inspire advancements in the field, making him a key figure in modern printing technology.