Location History:
- Yokohama, JP (1988)
- Atsugi-shi, Kanagawa JP (1992)
- Kanagawa, JP (2003)
- Kawasaki, JP (1997 - 2012)
Company Filing History:
9 out of 39,245 
1 out of 832,912 Years Active: 1988-2012
Title: Hironori Yahagi: Innovator in Image Data Compression
Introduction
Hironori Yahagi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of image data compression, holding a total of 10 patents. His innovative work has advanced the technology used in image processing and compression methods.
Latest Patents
Yahagi's latest patents include an image data compression device, a compressing method, an image data decompression device, and a decompressing method. One of his notable inventions involves a quantizer that quantizes a 'prediction error' as a difference value between a pixel to be compressed and a prediction value. This device utilizes a variable-length encoder to output a compressed code based on quantization numbers. Additionally, his work includes a prediction value candidate calculation module that determines the best prediction value based on surrounding pixels, enhancing the efficiency of image compression.
Career Highlights
Throughout his career, Hironori Yahagi has worked with notable companies, including Fujitsu Corporation. His expertise in image data compression has positioned him as a key figure in the industry, contributing to advancements that benefit various applications in technology.
Collaborations
Yahagi has collaborated with several professionals in his field, including Shigeru Yoshida and Seigo Igaki. These collaborations have fostered innovation and development in image processing technologies.
Conclusion
Hironori Yahagi's contributions to image data compression have made a lasting impact on the field. His innovative patents and collaborations highlight his role as a leading inventor in this technology.