Location History:
- Ibaraki, JP (2012)
- Tsukuba, JP (2002 - 2019)
Company Filing History:
5 out of 1,710 
3 out of 832,680 Years Active: 2002-2019
Title: Koji Matsubara: Innovator in Organic and Semiconductor Technologies
Introduction
Koji Matsubara is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the fields of organic materials and semiconductor devices. With a total of 8 patents to his name, Matsubara's work addresses critical challenges in material deposition and light emission efficiency.
Latest Patents
Matsubara's latest patents include a method for laser deposition of organic material films and a semiconductor device aimed at enhancing light emission efficiency. The laser deposition method involves adjusting the duty ratio of a laser that evaporates organic material. This innovation addresses issues such as contamination of raw materials and instability in film formation rates. By controlling the evaporation rate and vapor pressure within the deposition chamber, Matsubara's method provides a stable approach to organic material deposition.
The semiconductor device patent focuses on increasing the light emission efficiency of a ZnO-based optical semiconductor device. The device features a structure that includes n-type and p-type ZnMgO layers, with light emitted from the active layer. By manipulating the composition of the active layer, Matsubara's invention allows for a shift in light emission wavelength and improved efficiency, making it an excellent candidate for light-emitting applications.
Career Highlights
Throughout his career, Matsubara has worked at the National Institute of Advanced Industrial Science and Technology, where he has contributed to various research projects and innovations. His expertise in organic materials and semiconductor technologies has positioned him as a leading figure in his field.
Collaborations
Matsubara has collaborated with notable colleagues, including Akimasa Yamada and Shigeru Niki. These partnerships have furthered his research and development efforts, leading to impactful innovations.
Conclusion
Koji Matsubara's contributions to organic materials and semiconductor technologies highlight his role as a key innovator in these fields. His patents reflect a commitment to solving complex challenges and advancing technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.