This inventor holds 3 USPTO granted patents. Top assignee: Showa Denko K.k.. Active years: 1996-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1996-1999
Title: Shigetaka Murasato: Innovator in Light-Emitting Diode Technology
Introduction
Shigetaka Murasato is a prominent inventor based in Chichibu, Japan. He has made significant contributions to the field of light-emitting diodes (LEDs), particularly in the development of epitaxial wafers and structures that enhance the performance of these devices. With a total of 3 patents to his name, Murasato's work has had a lasting impact on the technology used in modern lighting solutions.
Latest Patents
Murasato's latest patents include innovative designs for epitaxial wafers and AlGaInP light-emitting diodes. One of his notable inventions is an epitaxial wafer for an AlGaInP light-emitting device, which features a p-type GaAs substrate and a reflection layer made of multiple semiconductor layers. This design incorporates a double hetero-junction light-emitting structure that includes an active layer sandwiched between upper and lower cladding layers. Additionally, the current diffusion layer of n-type AlGaAs is transparent to the emitted light, enhancing the efficiency of the device.
Another significant patent is for an AlGaInP light-emitting diode that includes a double hetero-junction light-emitting structure on a GaAs substrate. This invention also features a multi-film reflection layer and a GaP current diffusion layer, which is crucial for the device's performance. Murasato's work in this area demonstrates his commitment to advancing LED technology.
Career Highlights
Shigetaka Murasato has built a successful career at Showa Denko K.K., where he has been instrumental in developing cutting-edge technologies in the field of optoelectronics. His expertise in semiconductor materials and device structures has positioned him as a leader in the industry. Murasato's contributions have not only advanced the capabilities of light-emitting diodes but have also paved the way for future innovations in the field.
Collaborations
Throughout his career, Murasato has collaborated with talented individuals such as Yasuyuki Sakaguchi and Koichi Hasegawa. These partnerships have fostered a creative environment that has led to groundbreaking advancements in LED technology.
Conclusion
Shigetaka Murasato's innovative work in the field of light-emitting diodes has significantly influenced the development
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile