Yooji Maruyama is a prominent inventor based in Iruma, Japan. He has made significant contributions to the field of optical technology, holding a total of 8 patents. His work focuses on advancements in optical heads and disk apparatuses, showcasing his expertise and innovative spirit.

Latest Patents

Maruyama's latest patents include a flying type optical head integrally formed with a light source and photodetector, as well as an optical disk apparatus utilizing this technology. The optical head features a semiconductor laser source, a condenser lens, and a photodiode designed to detect laser light emitted from the semiconductor laser. The design incorporates a chromatic aberration formula to ensure optimal performance. Additionally, the optical head is structured to enhance the efficiency of laser light penetration and reflection, improving the interaction with optical storage media.

Career Highlights

Yooji Maruyama is currently employed at Hitachi, Ltd., where he continues to push the boundaries of optical technology. His innovative designs and patents have positioned him as a key figure in the industry, contributing to advancements that benefit various applications in data storage and retrieval.

Collaborations

Throughout his career, Maruyama has collaborated with notable colleagues, including Takeshi Shimano and Kenchi Ito. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Yooji Maruyama's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of optical devices, making significant strides in the industry.

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