Company Filing History:
Years Active: 2001-2007
Title: Innovations of Yoshinari Yokochi
Introduction
Yoshinari Yokochi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of optical devices and card issuing systems. With a total of 3 patents, his work reflects a commitment to advancing technology.
Latest Patents
Yokochi's latest patents include an optical pickup device and an optical recording medium driving apparatus. This optical pickup device features a blue semiconductor laser that emits a first laser light with a wavelength of 450 nm or less, designed for recording on or reproducing from extra-high density optical discs. Additionally, it includes a red semiconductor laser for DVDs with lower recording densities. The device is equipped with an objective lens that has a numerical aperture (NA) of 0.75 or more, along with an aberration correction element that optimizes the performance of both lasers.
Another significant patent involves a system for issuing cards and certifying their authenticity. This system utilizes a computer-generated hologram (CGH) readout section to reproduce an image of the CGH formed in the data storage area of the card. The CGH certifying section determines the genuineness of the card and retrieves identification information. If the card is verified as genuine, personal information and a face picture of the cardholder are registered in a database, allowing for the issuance of a secure personal ID card.
Career Highlights
Yokochi is currently employed at Victor Company of Japan, Limited, where he continues to innovate in the field of optical technology and card systems. His work has been instrumental in enhancing the functionality and security of optical devices and identification systems.
Collaborations
Yokochi has collaborated with notable coworkers, including Kenji Narusawa and Kazunori Namiki. Their combined expertise has contributed to the successful development of advanced technologies in their respective fields.
Conclusion
Yoshinari Yokochi's contributions to optical technology and card systems demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of both optical mechanics and security systems, making him a significant figure in his field.