Company Filing History:
4 out of 6,017 
1 out of 340 
Years Active: 2006-2011
Title: Hiroki Tsujimura: Innovator in Light Emitting Devices
Introduction
Hiroki Tsujimura is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of light emitting devices, holding a total of 4 patents. His work focuses on advancing technology in polarized light sources and semiconductor devices.
Latest Patents
Tsujimura's latest patents include a surface light emitting device and a semiconductor light emitting device. The surface light emitting device features a polarized light source that emits polarized light, along with a light guide plate made of light transmissive resin with low birefringence. This innovative design allows for efficient light emission. The semiconductor light emitting device incorporates a substrate and a light emitting portion that utilizes a group III nitride semiconductor, enhancing its performance through the use of nonpolar or semipolar planes.
Career Highlights
Throughout his career, Tsujimura has worked with notable organizations such as Rohm Co., Ltd. and Keio University. His experience in these institutions has allowed him to develop cutting-edge technologies and contribute to advancements in the field of optics and semiconductors.
Collaborations
Tsujimura has collaborated with esteemed colleagues, including Satoshi Nakagawa and Yasuhiro Koike. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Hiroki Tsujimura's contributions to light emitting devices exemplify his dedication to innovation in technology. His patents reflect a commitment to advancing the field and improving the efficiency of light sources.