Yoiti Minematu

Title: The Innovations of Yoiti Minematu

Introduction

Yoiti Minematu is a notable inventor based in Tokyo, Japan. He is recognized for his contributions to the field of polymer testing through innovative technologies. His work has led to advancements that benefit various industries reliant on polymer materials.

Latest Patents

Minematu holds a patent for an "Ultraviolet fluorescent lamp for accelerated exposure test on polymer." This invention features a bulb made of ultraviolet-ray-transmitting glass, designed to enhance the testing process for polymers. The bulb's absorbance at a wavelength of 280 nm ranges from 1 to 3 concerning ultraviolet rays. Additionally, the inner surface of the bulb is coated with a phosphor that amplifies radiant energy by 5 to 17 times for every 5 nm increase in wavelength within the range of 295 to 310 nm. The peak radiant energy occurs at wavelengths between 305 to 325 nm, making this lamp a significant tool for accelerated artificial testing.

Career Highlights

Throughout his career, Yoiti Minematu has worked with Sanyo Denki Co., Ltd., where he applied his expertise in developing innovative solutions. His work has been instrumental in enhancing the performance and reliability of polymer materials.

Collaborations

Minematu has collaborated with notable individuals in the field, including Toshio Tajima and Shigeharu Nakajima. These partnerships have contributed to the advancement of technologies related to polymer testing.

Conclusion

Yoiti Minematu's innovative contributions, particularly his patented ultraviolet fluorescent lamp, have made a significant impact on polymer testing methodologies. His work continues to influence the industry and enhance the understanding of polymer materials.