Location History:
- Kanagawa, JP (2014)
- Yokohama, JP (2015 - 2022)
Company Filing History:
14 out of 10,239 
2 out of 335 Years Active: 2014-2022
Title: **Kazuhiro Yamaji: Innovator in Optical Semiconductor Technology**
Introduction
Kazuhiro Yamaji, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of optical semiconductor technology. With a remarkable portfolio of 15 patents, Yamaji has been instrumental in developing advanced manufacturing methods and optical modules that enhance the capabilities of semiconductor devices.
Latest Patents
His most recent innovations include the patent for an **Optical Semiconductor Device and Manufacturing Method**. This method involves intricate steps such as forming semiconductor layers, creating mask patterns, and developing an optical waveguide layer. The design incorporates varying patterns for electro absorption type modulators and distributed feedback (DFB) lasers, showcasing a sophisticated approach to semiconductor engineering.
Another notable invention is the **Optical Module Having Wiring and Bridge Substrates for Modulation Signals**. This optical module comprises a source assembly featuring a semiconductor optical device, along with wiring and bridge substrates that efficiently manage modulation signals. This innovative design allows for better integration and performance of optical devices, thus enhancing signal processing in various applications.
Career Highlights
Throughout his career, Yamaji has worked with leading organizations such as Sumitomo Electric Industries, Limited, and Sumitomo Electric Device Innovations, Inc. His expertise in optical semiconductor technology has led to numerous advancements that are vital for the development of future electronic and photonic systems.
Collaborations
Yamaji has collaborated with talented professionals in the field, including coworkers Yasushi Fujimura and Munetaka Kurokawa. These partnerships have fostered an environment of innovation that further drives the advancements in semiconductor technologies.
Conclusion
Kazuhiro Yamaji stands out as a significant figure in the world of optical semiconductor inventions. His patented technologies not only reflect his dedication to innovation but also pave the way for future advancements in the field. As the demand for high-performance semiconductor devices continues to grow, Yamaji's contributions will undoubtedly play a crucial role in shaping the future of this rapidly evolving industry.
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.