Katsuaki Iwama

Title: Katsuaki Iwama: Innovator in Light Emitting Technology

Introduction

Katsuaki Iwama, a prominent inventor based in Suita, Japan, has significantly contributed to the field of light-emitting technologies. With a total of 12 patents to his credit, Iwama's innovations highlight the complexity and advancement of modern semiconductor devices.

Latest Patents

Iwama’s latest patents involve groundbreaking developments in luminescent layers and light-emitting semiconductor devices. His inventions encompass a chip-type light-emitting device that integrates a substrate with a blue LED mounted atop it. This innovative device features a luminescent layer made from a unique mixture of yellowish phosphor particles and a translucent resin base material. The yellowish phosphor particles, specifically a silicate phosphor, play a vital role by absorbing the blue light emitted by the LED and re-emitting fluorescence within the wavelength range of 550 nm to 600 nm. The main component of the silicate phosphor is expressed by the chemical formula: (SrBaCaEu)SiO(0 ≤ a ≤ 0.3, 0 ≤ b ≤ 0.8 and 0 < x < 1). This creative dispersion of silicate phosphor particles in resin results in the generation of excellent white light, showcasing Iwama's brilliance in enhancing the quality of light-emitting devices.

Career Highlights

Throughout his career, Katsuaki Iwama has had the privilege of working with renowned companies, specifically Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His tenure at these organizations has allowed him to cultivate his expertise in semiconductor technology, leading to significant innovations and advancements in the industry.

Collaborations

Iwama collaborated closely with talented professionals, including Toshihide Maeda and Shozo Oshio. These collaborations have played a pivotal role in fostering creativity and innovation, contributing to the successful development of numerous patented technologies.

Conclusion

Katsuaki Iwama remains a revered figure in the realm of light-emitting technology. His contributions, encapsulated in his patents, not only enhance the functionality of electronic devices but also pave the way for future innovations in semiconductor manufacturing. Iwama's dedication to his craft and his collaborations with esteemed colleagues underscore the importance of teamwork and ingenuity in driving technological advancements.