Tsuyoshi Yamane

Title: Tsuyoshi Yamane: Innovator in Optical Technology

Introduction

Tsuyoshi Yamane is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work focuses on innovative optical devices that enhance imaging and manufacturing processes.

Latest Patents

Yamane's latest patents include a rod lens array, an optical device, an image sensor, a printer, an inspection apparatus, and a base glass composition for gradient-index rod lenses. The rod lens array features multiple gradient-index rod lenses arranged with parallel optical axes, creating an erecting equal-magnification image. Each lens has a unique refractive-index distribution, which is mathematically represented by n(r)=n·{1−(A/2)·r}. The design allows for an aperture angle of 3 to 6° and an imaging distance of 45 to 75 mm, achieving a depth of field of 1.5 to 3.0 mm with a modulation transfer function (MTF) of 30% or more at a spatial frequency of 6 lp/mm.

Another notable patent is for a small-sized optical module that integrates a collimator lens and a polarization compensating filter within a rectangular frame. This design facilitates easy adjustment and accurate assembly of numerous small optical components, ensuring durability against external forces.

Career Highlights

Yamane is currently employed at Nippon Sheet Glass Company, Limited, where he continues to develop cutting-edge optical technologies. His work has significantly impacted the industry, particularly in the areas of lens design and optical module production.

Collaborations

Throughout his career, Yamane has collaborated with notable colleagues, including Hiroaki Kato and Takashi Mori. These partnerships have fostered innovation and advancement in optical technology.

Conclusion

Tsuyoshi Yamane's contributions to optical technology through his patents and work at Nippon Sheet Glass Company, Limited, highlight his role as a leading inventor in the field. His innovative designs continue to shape the future of optical devices and imaging solutions.