Kenichi Nishiuchi

Title: Kenichi Nishiuchi: Innovator in Optical Information Technologies

Introduction

Kenichi Nishiuchi, an accomplished inventor based in Satanaka-machi, Moriguchi-shi, Osaka-fu, Japan, has made significant contributions to the field of optical information recording technologies. With two patents to his name, his work is instrumental in advancing how optical data can be recorded and manipulated.

Latest Patents

Nishiuchi's latest innovations include two noteworthy patents:

1. **Optical Information Recording Media and Optical Information Read/Write** - This invention focuses on an optical information recording medium where both guide grooves and lands constitute information tracks. Key specifications include a guide groove depth ranging from approximately λ/8 to λ/4.7 in optical length, with widths varying between 0.34R and R. Notably, the invention differentiates the power used for writing information on each guide groove compared to each land, enhancing the efficiency and accuracy of data recording.

2. **Optical Recording Medium and Method of Optical Recording and Erasing** - This patent introduces an optical recording member that features a thin film photosensitive layer on a base. This layer can transition between low and high optical density states upon exposure to optical energy. It incorporates a first element, which can be a metal or semimetal, and a second element from a specified group including Te, Ge, and others. The innovative aspect lies in the layer’s formation through vacuum deposition or sputtering method, allowing for effective recording and erasing of information through light irradiation.

Career Highlights

Throughout his career, Kenichi Nishiuchi has been dedicated to innovation in optical technologies, particularly in the realm of data recording. His patents reflect a deep understanding of materials science and data management, positioning him as a prominent figure in this sector.

Collaborations

Nishiuchi has collaborated with notable colleagues such as Naoyasu Miyagawa and Eiji Ohno, further enriching the innovation landscape within his field. Their combined expertise has nurtured advancements that benefit the broader technological community.

Conclusion

In summary, Kenichi Nishiuchi stands out as a significant inventor in optical information technologies. His contributions through patents demonstrate a commitment to enhancing how information is recorded and accessed, paving the way for future innovations in this critical area of technology.