Location History:
- Katsuta, JP (1992 - 1996)
- Matsudo, JP (2009 - 2012)
Company Filing History:
7 out of 42,517 
2 out of 389 
Years Active: 1992-2012
Title: The Innovations of Youichi Narui
Introduction
Youichi Narui is a notable inventor based in Katsuta, Japan, recognized for his contributions to optical disc technology. With a total of seven patents to his name, Narui has made significant advancements in the field, particularly in reducing vibrations and improving data transfer rates in optical disc apparatuses.
Latest Patents
One of Narui's latest patents is an optical disc apparatus with a support part designed to reduce vibrations. This invention addresses the issue of looseness vibrations that can occur due to gaps between a sub-guide shaft and a bearing. The apparatus features a design where both ends of the sub-guide shaft are supported by a pair of support parts formed in the chassis, along with pressing members mounted on the chassis. This innovative approach effectively minimizes vibrations during operation.
Another significant patent is related to an optical pickup that enhances the cooling process of optical disc drives. As data transfer rates increase, so do the challenges of managing vibrations and heat generation. Narui's solution involves an air duct within the optical pickup that connects to a space formed between the optical disc and the casing. This design utilizes a pressure difference to induce airflow, thereby cooling the optical pickup and improving overall performance.
Career Highlights
Throughout his career, Youichi Narui has worked with prominent companies such as Hitachi, Ltd. and Hitachi-LG Data Storage, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical disc technology.
Collaborations
Narui has collaborated with esteemed colleagues, including Seiji Okunomiya and Naohiro Ozawa. Their combined expertise has contributed to the successful development of various technologies in the optical disc field.
Conclusion
Youichi Narui's contributions to optical disc technology through his patents and collaborations highlight his role as a significant inventor in this domain. His innovative solutions continue to influence the industry and improve the performance of optical disc apparatuses.