This inventor holds 7 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Toa Corporation. Active years: 1990-2009.
Location History:
- Amagasaki, JP (1994)
- Tokyo, JP (2002 - 2004)
- Hyogo, JP (1990 - 2009)
Company Filing History:
Years Active: 1990-2009
Title: Hiroshi Tabuchi: Innovator in Image Compression Technology
Introduction
Hiroshi Tabuchi is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of image compression technology, holding a total of 7 patents. His work focuses on improving data compression methods, which are essential in various digital applications.
Latest Patents
One of Hiroshi Tabuchi's latest patents is an image compression apparatus designed to enhance the data compression ratio in the data compression and decompression method utilizing a down-sampling process. This innovative apparatus divides image data into multiple down-sampling (DS) areas, converting less important DS areas into contracted data of a specified block size. A relocation unit allocates multiple contracted data within a single DS area, inserts file data into other portions, and removes DS areas without contracted data, effectively reducing the overall image size. The contracted image data is then processed through a JPEG encoder, undergoing a Discrete Cosine Transform (DCT) and quantization for each block. During restoration, decompression is executed by the JPEG decoder, allowing for the original image to be restored through interpolation of the contracted data.
Another significant patent involves the design of a front rail in a sub-rack, which is formed by bending a steel sheet. This front rail features a front part with a hole for the insertion of a dowel pin on a printed circuit board, a top part that mounts a guide rail for the printed circuit board, and a rear part that supports the top part. The design ensures stability and functionality in electronic applications.
Career Highlights
Hiroshi Tabuchi has worked with prominent companies such as Mitsubishi Electric Corporation and Toa Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in technology.
Collaborations
Throughout his career, Hiroshi has collaborated with talented individuals, including Toshio Morohashi and Kazuhiro Shimauchi. These partnerships have contributed to the advancement of his projects and inventions.
Conclusion
Hiroshi Tabuchi's contributions to image compression technology and his innovative patents highlight his role as a significant inventor in the field. His work continues to influence advancements in digital data processing and compression methods.