This inventor holds 3 USPTO granted patents. Top assignees: Nichia Corporation, Toppan Printing Co., Ltd.. Active years: 2012-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 3,266 
1 out of 1,269 
Years Active: 2012-2014
Title: Masafumi Harada: Innovator in Light Emitting Devices
Introduction
Masafumi Harada is a notable inventor based in Anan, Japan. He has made significant contributions to the field of light emitting devices, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of lighting technologies.
Latest Patents
One of his latest patents is a light emitting device that includes a light emitting element and phosphor. This device comprises a light emitting element, a red phosphor formed from a nitride phosphor, and a green phosphor formed from a halosilicate. The emission spectrum features a first peak at a wavelength between 440 nm and 470 nm, a second peak between 510 nm and 550 nm, and a third peak between 630 nm and 670 nm. Notably, the minimum relative light emission intensity between the second and third peak wavelengths is 80% or less of whichever is lower between the relative light emission intensities of the second and third peak wavelengths. Another patent focuses on a light emitting device that boasts excellent color rendering performance. This device also includes a light emitting element, a red phosphor formed from a nitride phosphor, a green phosphor formed from a halosilicate, and a YAG phosphor, all of which emit light when excited by the light from the light emitting element.
Career Highlights
Masafumi Harada has worked with prominent companies in the industry, including Nichia Corporation and Toppan Printing Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative lighting solutions.
Collaborations
Throughout his career, Harada has collaborated with talented individuals such as Yoshinori Murazaki and Suguru Takashima. These partnerships have played a crucial role in advancing his research and development efforts.
Conclusion
Masafumi Harada's contributions to the field of light emitting devices demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of lighting technology and its potential applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile