Kohjyu Konno

Title: **Innovative Contributions of Kohjyu Konno in Optical Disc Technology**

Introduction

Kohjyu Konno, an accomplished inventor based in Takatsuki, Japan, has made significant strides in the field of optical disc technology. With a repertoire of five patents to his name, Konno has a proven track record of developing innovative solutions that enhance the reliability and efficiency of optical reading systems.

Latest Patents

Konno's most recent patents showcase his expertise in addressing challenges related to optical disc apparatuses. One such patent describes an optical disc apparatus and method for reading information from an optical disk having tracks and spaces between the tracks on which address information is recorded. This apparatus employs an optical head that irradiates the disc with light and includes adept tracking detectors. These detectors, divided into a first and second detector, output detection signals that are crucial for accurately reading address information. An adjusting circuit further ensures the reliability of information detection during recording.

Another notable patent outlines a semiconductor laser control method and device designed to maintain laser power during the recording process. This technology addresses issues arising from the significant amplitude drops in playback signals when data is incrementally written to optical media, such as DVD-R and DVD-RW. The feed-forward control mechanism establishes the semiconductor laser's recording power rapidly at the onset of recording, while subsequent feedback control ensures that the laser power remains stable throughout the duration of the recording.

Career Highlights

Throughout his career, Kohjyu Konno has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd., utilizing his inventive skills to enhance optical data storage technologies. His contributions to the industry have positioned him as a noteworthy figure among inventors in this technological domain.

Collaborations

Konno has had the opportunity to collaborate with renowned colleagues, including Kenji Koishi and Yutaka Osada. Their collective efforts have pushed the boundaries of optical technology, leading to the development of inventive solutions that benefit the industry.

Conclusion

Kohjyu Konno's innovations in optical disc technology have made a significant impact, with his patents addressing vital issues in data recording and retrieval. His work exemplifies the importance of inventive thinking in advancing technological capabilities, ensuring the future of optical storage systems is both reliable and efficient.