Nara, Japan

Fumitomo Yamasaki

USPTO Granted Patents = 75 

 

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 92(Granted Patents)

Forward Citations (Not Self Cited) = 85(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 2005-2019

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Areas of Expertise:
Optical Pickup
Objective Lens
Optical Disc Device
Information Processing Device
Optical Head
Optical Information Apparatus
Recording Apparatus
Diffraction Device
Information Recording Medium
Optical Disc Drive
Complex Objective Lens
Thermosensitive Recording Printer
75 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Fumitomo Yamasaki

Introduction

Fumitomo Yamasaki, a distinguished inventor based in Nara, Japan, has made significant strides in the field of optical technology. With an impressive portfolio of 75 patents, Yamasaki has demonstrated his creativity and technical prowess, paving the way for advancements in various optical devices.

Latest Patents

Among his latest contributions, Yamasaki developed an **Optical Pickup**, which features an optical base mounted with optical elements, a light source, and a tilt spacer that enhances the characteristics of the light entering the optical base. This innovative design allows the optical base and light source to be fixed directly together, improving functionality and efficiency.

Another notable invention is his **Recording Apparatus**, which incorporates a light source, objective lens, beam splitter, optical element, detector, and operation circuit. This device cleverly divides a light beam into multiple regions, generating a main signal and a secondary main signal through a calculated operation, showcasing Yamasaki's engineering brilliance.

Career Highlights

Fumitomo Yamasaki has worked with prestigious companies, including Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. Throughout his career, he has been at the forefront of cutting-edge technology development, contributing significantly to the research and application of optical systems.

Collaborations

Yamasaki's work has not been in isolation; he has collaborated with talented individuals such as Yoshiaki Komma and Toshiyasu Tanaka. Together, they have synergized their expertise, leading to innovative solutions that have further pushed the boundaries of optical technology.

Conclusion

Through his numerous patents and collaborative efforts, Fumitomo Yamasaki continues to influence the field of optical technology. His dedication and innovative spirit make him an outstanding figure in his field, inspiring future generations of inventors and engineers.

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