This inventor holds 7 USPTO granted patents and 2 EPO patents. Top assignee: Toray Industries, Inc.. Active years: 2002-2008.
Location History:
- Shiga, JP (2002 - 2005)
- Otsu, JP (2005 - 2008)
Company Filing History:
Years Active: 2002-2008
Title: Akira Kohama: Innovator in Luminescent Technology
Introduction
Akira Kohama is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of luminescent materials and devices. With a total of 7 patents to his name, Kohama's work has advanced the technology behind light-emitting devices.
Latest Patents
Kohama's latest patents include innovative technologies such as a luminescent element material and a light-emitting device. The light-emitting device features an emissive substance positioned between an anode and cathode, which emits light when electrical energy is applied. The emissive substance consists of various compounds, including those with 1,7-phenanthroline skeletal structures, benzoquinoline derivatives, spiro compounds, and tetraphenylmethane derivatives. Another notable patent is for electroluminescent elements, which involve a luminescing substance placed between an anode and cathode. This design allows for light emission with a peak wavelength of at least 580 nm, utilizing fluorescent compounds with a maximum at about 540 nm or above.
Career Highlights
Kohama is currently associated with Toray Industries, Inc., where he continues to develop cutting-edge technologies in luminescence. His work has not only contributed to advancements in the field but has also positioned him as a key figure in the industry.
Collaborations
Throughout his career, Kohama has collaborated with notable colleagues, including Yoshio Himeshima and Shigeo Fujimori. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Akira Kohama's contributions to luminescent technology exemplify the impact of innovative thinking in the field of light-emitting devices. His patents reflect a commitment to advancing technology and enhancing the functionality of luminescent materials.