Location History:
- Tokyo, JP (2004 - 2015)
- Kanagawa, JP (2016)
- Miyagi, JP (2020)
Company Filing History:
3 out of 58,131 
1 out of 51 
1 out of 203 
Years Active: 2004-2020
Title: Takahiko Kawasaki: Innovator in Light Emitting Diode Technology
Introduction
Takahiko Kawasaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of light emitting diodes (LEDs). With a total of 5 patents to his name, Kawasaki's work has had a lasting impact on the industry.
Latest Patents
Kawasaki's latest patents include innovative designs for light emitting diodes. One notable patent describes a light emitting diode that features a columnar laminated structure. This structure consists of a first compound semiconductor layer, a light emitting layer, and a first portion of a second compound semiconductor layer. The design includes a first electrode that is electrically connected to the first compound semiconductor layer and a second electrode formed on the top surface of the second portion of the second compound semiconductor layer. This configuration allows light to be emitted from both the top and side surfaces of the second portion.
Another significant patent involves a light emitting element that comprises a laminated body with a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer. This design incorporates a recombination suppression structure near the end surface of the active layer, which enhances the efficiency of light emission.
Career Highlights
Throughout his career, Takahiko Kawasaki has worked with notable companies such as Sony Corporation and Nihon Micro Coating Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Kawasaki has collaborated with several talented individuals in his field, including Hidekazu Aoyagi and Katsutoshi Itou. These collaborations have fostered a creative environment that has led to advancements in LED technology.
Conclusion
Takahiko Kawasaki is a distinguished inventor whose work in light emitting diodes has paved the way for advancements in semiconductor technology. His innovative patents and collaborations reflect his commitment to enhancing the efficiency and functionality of light emitting devices.