Tomu Takeda is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical devices, holding a total of 14 patents. His work focuses on enhancing the performance and functionality of optical technologies.

Latest Patents

Among his latest patents, Takeda has developed an optical device that achieves desired polarization properties. This device includes a light source, an incident-side polarizing element, an optical modulating element, and two emission-side polarizing elements. Each of these elements features a wire-grid structure with convex portions arranged on a transparent substrate. The design ensures that the transmission axis of the first polarizing element is within ±8.5° relative to the incident-side polarizing element. Additionally, the convex portions of the second polarizing element are lattice-shaped and include a reflection layer, dielectric layer, and absorption layer, with a rotation angle of the absorption axis maintained within ±0.7°.

Another notable patent involves a polarizing plate that also utilizes a wire grid structure. This plate consists of a transparent substrate with protrusions that extend in a first direction. These protrusions are periodically arranged and include a reflective layer, dielectric layer, and absorption layer. The protective film on the protrusions is designed to enhance durability and performance.

Career Highlights

Tomu Takeda is currently employed at Dexerials Corporation, where he continues to innovate in the field of optical technology. His work has been instrumental in advancing the capabilities of optical devices, making them more efficient and effective for various applications.

Collaborations

Takeda has collaborated with notable colleagues, including Hideto Sagawa and Hiroyuki Takahashi. Their combined expertise has contributed to the successful development of advanced optical technologies.

Conclusion

Tomu Takeda's innovative work in optical devices has led to significant advancements in the field. His patents reflect a deep understanding of optical properties and their applications. Through his contributions, he continues to shape the future of optical technology.

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