Kishio Tamura

Title: Innovations of Kishio Tamura

Introduction

Kishio Tamura is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of optical technology. With a total of 13 patents to his name, Tamura has developed innovative devices that enhance color measurement and optical performance.

Latest Patents

Among his latest patents are the "Color tone quantification device for glossy color," the "Color tone measurement device for glossy color," and the "Color tone quantification method for glossy color." These inventions focus on improving the correlation between the color tone of glossy surfaces as perceived by humans and the measurements obtained through the device. The color tone quantification device includes a coefficient calculation unit that adjusts chromaticity measurements by considering spatial distribution. It also features a chromaticity calculation unit that weights the measured chromaticity with the calculated coefficient, ultimately providing an effective chromaticity output that represents the glossy color in a defined color space.

Another notable patent is the "Holographic optical element and method for producing the same." This invention addresses the issue of ghosting in holographic optical elements by enhancing their diffraction efficiency. The design includes a volume hologram recording layer made of photopolymer and an adjacent layer containing resin, with a diffraction grating extending from the recording layer to the adjacent layer.

Career Highlights

Kishio Tamura has worked with notable companies such as Konica Corporation and Konica Minolta, Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in optical technologies.

Collaborations

Throughout his career, Tamura has collaborated with talented individuals, including Masafumi Uchida and Koji Shibata. These partnerships have fostered innovation and the development of cutting-edge technologies in the field.

Conclusion

Kishio Tamura's work exemplifies the spirit of innovation in optical technology. His patents reflect a deep understanding of color measurement and holography, contributing significantly to advancements in these areas.