Location History:
- Kanagawa, JA (1976)
- Kawasaki, JP (1979 - 1982)
- Ebina, JP (1981 - 1989)
- Kanagawa, JP (1983 - 2001)
Company Filing History:
23 out of 58,131 
8 out of 22 
1 out of 832,880 Years Active: 1976-2001
Title: Innovations by Katsuichi Tachi in Optical Data Technology
Introduction
Katsuichi Tachi, based in Kanagawa, Japan, is a prominent inventor known for his contributions to optical data technology, holding an impressive 28 patents. His innovative work significantly impacts the fields of motion picture technology and data processing, showcasing his expertise and creativity.
Latest Patents
Among his latest patents, Tachi's invention of an apparatus for reading optical data from a motion picture film and a corresponding light source stands out. This invention addresses the challenge of recording digital audio data within a film's sound track, comprising a multitude of bytes, each containing 8 bits. The inventive method arranges these bytes in a side-by-side configuration, facilitating the formation of compression processing blocks. To ensure data integrity, C1 and C2 parity data are integrated, enabling effective error correction. Additionally, Tachi developed a phase-locked loop circuit aimed at minimizing impulse disruptions in output data. This circuit adeptly follows input signal phases, leveraging phase comparators and predetermined operating clocks to eliminate phase lag, enhancing overall circuit functionality.
Career Highlights
Tachi's career includes significant roles within notable companies such as Sony Corporation and Sony Cinema Products Corporation. His work in these esteemed organizations allowed him to apply his innovative concepts and collaborate within a creative environment, contributing to the advancement of technology in film and data processing.
Collaborations
Throughout his career, Tachi has collaborated with esteemed individuals like Etsuro Saito and Kiyoshi Inatome. These partnerships have fostered creative synergies that led to groundbreaking inventions in the optical data arena.
Conclusion
Katsuichi Tachi's contributions to technology through his patents exemplify his ingenuity and dedication to innovation. His work in improving optical data reading methods and error correction processes continues to influence the industry, enhancing both motion picture technology and data reliability. As he progresses in his career, his ongoing impact on the field remains notable, inspiring future inventors and technologists alike.