Tetsuya Kato

Title: Tetsuya Kato: Optical Disc Recording and Playback Innovations

Introduction

Tetsuya Kato is an inventor associated with Sayama, Japan, and Teac Corporation. His patent work includes innovations in optical-disc playback and recording. The supplied information lists 4 patents.

Latest Patents

**Apparatus for Playback of Data Storage Disks.** This invention concerns a CD player that lets users customize playback by editing the disc’s table of contents (TOC). The player stores the TOC in memory and adds ending addresses to the starting addresses already recorded for each track. Users can then select tracks, play portions or entire tracks, and arrange playback in a desired order.

**Optical Disc Recording/Reproducing Apparatus and Data Recording Method for Use with Such Apparatus.** This invention supports safer, more reliable overburn recording on optical discs. The apparatus uses trial-writing commands and error information to determine a suitable final recording position, accounting for differences among individual discs. This approach enables additional recording time while helping reduce the risk of recording errors.

Career Highlights

Kato’s listed inventions address practical challenges in optical-disc technology, including flexible track playback and reliable recording near a disc’s capacity limit. His work is associated with Teac Corporation, a company active in audio and recording technologies.

Collaborations

The supplied information identifies Katsuhito Chiba and Masao Negishi as Kato’s coworkers. It does not specify their roles in the listed patents.

Conclusion

Tetsuya Kato’s patent work reflects a focus on improving how users customize CD playback and how optical discs are recorded reliably.