Location History:
- Hioki-gun, JP (2005)
- Kagoshima, JP (2006 - 2019)
Company Filing History:
8 out of 16,453 
4 out of 27,375 
1 out of 3,081 
Years Active: 2005-2019
Title: Tadaaki Ikeda: Innovator in Light-Emitting Semiconductor Technology
Introduction
Tadaaki Ikeda is a prominent inventor based in Kagoshima, Japan. He holds a total of 12 patents, showcasing his significant contributions to the field of light-emitting semiconductor devices. His innovative work has paved the way for advancements in lighting technology.
Latest Patents
One of Ikeda's latest patents is for a luminescent layer and light-emitting semiconductor device. This chip-type device includes a substrate with a blue LED mounted on it, along with a luminescent layer made of a mixture of yellow and yellowish phosphor particles combined with a translucent resin. The phosphor particles absorb blue light emitted by the LED, resulting in fluorescence with a main emission peak in the wavelength range from 550 nm to 600 nm. The silicate phosphor particles disperse evenly in the resin, producing excellent white light.
Another notable patent is for a semiconductor light-emitting device that features a semiconductor chip capable of emitting light in the blue to ultraviolet regions. This device includes a sealing portion formed in a region along the light's passage path. The sealing portion comprises a composite material that includes a resin matrix and inorganic nano-particles, which enhance the device's performance.
Career Highlights
Throughout his career, Tadaaki Ikeda has worked with renowned companies such as Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Ikeda has collaborated with notable coworkers, including Toshihide Maeda and Shozo Oshio. Their combined efforts have led to significant advancements in the field of light-emitting devices.
Conclusion
Tadaaki Ikeda's contributions to light-emitting semiconductor technology have made a lasting impact on the industry. His innovative patents and collaborations highlight his role as a leading inventor in this field.