Tomio Yamamoto

Title: Tomio Yamamoto: A Visionary in Optical Disc Technology

Introduction

Tomio Yamamoto is a prominent inventor based in Hyogo, Japan, known for his significant contributions to optical disc technology. With a total of 11 patents to his name, Yamamoto has developed innovative devices that improve the functionality and efficiency of optical discs.

Latest Patents

Yamamoto's latest inventions include an optical disc device and lens cleaner. This optical disc device features an insertion detection optical sensor that identifies the insertion of an optical disc by detecting interruptions in light between a first light-emitting element and a first light-receiving element. Additionally, it incorporates an ejection detection optical sensor that detects the removal of the optical disc. Notably, when the optical disc is on the turntable and the first light is blocked while the second light remains unblocked, the device recognizes a lens cleaner as if it were an optical disc, prompting it to perform a cleaning operation.

Another significant patent is for an optical disc drive device that includes a metallic exterior casing housing an internal unit. This internal unit comprises an optical pickup unit responsible for recording and reproducing information signals from optical discs. It also features a printed wiring substrate that connects to external electronic equipment. To reduce radiation noise, the ground pattern on the substrate is designed to contact the opening of the exterior casing.

Career Highlights

Throughout his career, Tomio Yamamoto has been associated with renowned companies, notably Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. These affiliations have allowed him to innovate and contribute significantly to the realm of optical technologies.

Collaborations

Yamamoto has collaborated with distinguished professionals in the field, including Akira Kurozuka and Eiichi Hanakawa. These partnerships have fostered a collaborative environment that has propelled innovative solutions in optical disc technology.

Conclusion

Tomio Yamamoto's contributions to the field of optical disc technology have positioned him as a key figure in the industry. With his inventive spirit and dedication, he continues to pave the way for advancements that enhance user experience and functionality in optical devices. His impressive patent portfolio is a testament to his creativity and foresight as an inventor.