Company Filing History:
9 out of 9 
9 out of 441 
8 out of 746 
Years Active: 2014-2022
Title: Innovator Yukio Kashima: Pioneering Deep Ultraviolet LED Technology
Introduction: Yukio Kashima, a prominent inventor based in Tokyo, Japan, holds an impressive portfolio of 9 patents to his name. Renowned for his innovative contributions to the field of semiconductor technology, Kashima's work primarily focuses on deep ultraviolet light-emitting diodes (LEDs), which have significant implications for various applications, including UV sterilization and phototherapy.
Latest Patents: Among his latest patents, Kashima has developed groundbreaking technologies for deep ultraviolet LEDs. One such patent entails a deep ultraviolet LED featuring a complex structure designed for optimized performance. It includes layers such as a reflecting electrode layer made from gold (Au), a metal layer of nickel (Ni), and several specialized layers of gallium nitride (GaN) and aluminum gallium nitride (AlGaN). This intricate design enhances the efficiency and effectiveness of the LED, particularly through a two-dimensional reflecting photonic crystal periodic structure that satisfies stringent photonic band gap conditions.
Another notable patent describes a deep ultraviolet LED with a hemispherical lens bonded to the substrate's rear surface. This lens is engineered to maximize light transmission and is characterized by precise refractive indices. With its innovative design, the LED showcases significant advancements in the manufacturing process and potential applications in various fields.
Career Highlights: Yukio Kashima's career is distinguished by his tenure at reputable organizations such as Marubun Corporation and Ulvac, Inc. His experience at these companies has played a crucial role in shaping his expertise in semiconductor manufacturing and photonics, enabling him to push the boundaries of technology in the field of deep ultraviolet LEDs.
Collaborations: Throughout his career, Kashima has collaborated with esteemed colleagues, including Takaharu Tashiro and Ryuichiro Kamimura. These collaborations have fostered an environment of innovation and knowledge sharing, leading to the development of advanced LED technologies.
Conclusion: Yukio Kashima stands out as a leading figure in the realm of semiconductor innovation, particularly in the development of deep ultraviolet LEDs. With his numerous patents and impactful collaborations, he continues to contribute significantly to technological advancements that promise to enhance various industrial applications. His work exemplifies the critical role of inventors in driving innovation and the importance of protecting these inventions through patents.