Company Filing History:
3 out of 226 
2 out of 90,673 
1 out of 339 
Years Active: 1992-1994
Title: Hisaharu Kato: Innovator in Digital Image Processing
Introduction
Hisaharu Kato is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of digital image processing, holding a total of 4 patents. His work has advanced the methods used for decoding and reducing digital images, showcasing his expertise and innovative spirit.
Latest Patents
Kato's latest patents include a method and system for decoding compressed continuous-tone digital images. This invention utilizes end-of-block (EOB) codes in entropy coded data to detect portions of '0' elements in a frequency range coefficient matrix. The process allows for the omission of an inverse orthogonal transform based on the distribution of '0' coefficients. Another notable patent involves an image reduction system for binary level images. This system determines reduction pixel values by referencing surrounding pixels, including those that have already been reduced, ensuring accurate image processing.
Career Highlights
Throughout his career, Kato has worked with notable companies such as Kokusai Denshin Denwa Co., Ltd. and Canon Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in digital imaging.
Collaborations
Kato has collaborated with esteemed colleagues, including Tadashi Yoshida and Toshiaki Endoh. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Hisaharu Kato's contributions to digital image processing through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the way digital images are processed and utilized today.