Youichi Tsuchiya

Title: Youichi Tsuchiya: Innovator in Optical Recording Technology

Introduction

Youichi Tsuchiya is a notable inventor based in Hashima, Japan. He has made significant contributions to the field of optical recording technology, holding a total of 3 patents. His work focuses on preventing illegal copying of optical discs, which is a critical issue in the digital age.

Latest Patents

One of Tsuchiya's latest patents is an optical recording disc capable of preventing illegal copying. This innovation includes micro-pits or micro-pit strings that disable precise copying and enable the detection of signals different from those of a normal disc in case of a failure in precise copying. A read unit checks the copy-protected area to determine whether a loaded disc is legal or illegally copied. If the disc is deemed illegal, reading is prohibited. Another patent involves an illegal disc copying protection system that features an optical disc with recorded information as a series of pits aligned to the track direction. This system includes a recording mechanism that records information in the same manner and a reading system that retrieves the recorded information.

Career Highlights

Youichi Tsuchiya is currently employed at Sanyo Electric Co., Ltd., where he continues to innovate in the field of optical technology. His work has been instrumental in developing systems that protect intellectual property in the digital realm.

Collaborations

Throughout his career, Tsuchiya has collaborated with notable colleagues, including Seiji Kajiyama and Kenji Torazawa. These partnerships have contributed to the advancement of technology in optical recording.

Conclusion

Youichi Tsuchiya's contributions to optical recording technology highlight his commitment to innovation and protection against illegal copying. His patents reflect a deep understanding of the challenges in the digital landscape, making him a significant figure in his field.