Sadao Iizuka

Title: Sadao Iizuka: Innovator in Optical Pickup Technology

Introduction

Sadao Iizuka is a notable inventor based in Ora-gun, Japan. He has made significant contributions to the field of optical technology, particularly in the development of optical pickup devices. With a total of 2 patents to his name, Iizuka's work has had a considerable impact on the industry.

Latest Patents

Iizuka's latest patents include an innovative optical pickup device and its manufacturing method. This optical pickup device features a lens that allows light to transmit through it, a holder for the lens, a position adjusting member mounted on the holder, and a housing for the holder. This design enables precise adjustment of the lens assembly's mounting position, ensuring high precision when the lens is assembled in the housing. Another patent focuses on an optical pickup device that includes a light-emitting element emitting laser light, a photodetector that monitors the laser light's state, and a reflect mirror that directs a portion of the laser light to the photodetector. The reflect mirror is designed with a rough surface to prevent erroneous operations of the optical pickup device.

Career Highlights

Sadao Iizuka is currently employed at Sanyo Electric Co., Ltd., where he continues to innovate in optical technologies. His work has been instrumental in advancing the capabilities of optical devices, making them more efficient and reliable.

Collaborations

Iizuka has collaborated with notable colleagues such as Hiroyuki Negishi and Minoru Sato. Their combined expertise has contributed to the successful development of various optical technologies.

Conclusion

Sadao Iizuka's contributions to optical pickup technology demonstrate his commitment to innovation and excellence in his field. His patents reflect a deep understanding of optical systems and their applications, solidifying his reputation as a leading inventor in this area.