Location History:
- Ichihara, JP (2003)
- Chiyoda-ku, JP (2005)
- Tokyo, JP (2004 - 2022)
Company Filing History:
19 out of 2,630 
1 out of 1 
1 out of 1,786 Years Active: 2003-2025
Title: **Yutaka Ohki: A Pioneer in Optical Semiconductor Technology**
Introduction
Yutaka Ohki, a distinguished inventor based in Tokyo, Japan, holds an impressive portfolio of 19 patents. His innovative work primarily focuses on optical semiconductor devices and semiconductor laser technologies, significantly advancing the field and contributing to various applications in electronics and photonics.
Latest Patents
Among his latest patents, Yutaka has developed an advanced optical semiconductor device. This device features a semiconductor multilayer structure with an active region situated between a first facet for light emission and a second opposing facet. It includes a first electrode layer on top and a second layer at the bottom, with an electrical connection region for current injection into the active region. Furthermore, the device adheres to specific conditions involving the contact areas of both facets, optimizing its performance.
Additionally, Yutaka's innovations include a semiconductor laser device designed for edge emission. This multi-mode waveguide technology incorporates facets with carefully controlled widths, enhancing laser efficiency and performance. His work on chip-on-submount configurations and semiconductor laser modules demonstrates a commitment to enhancing device capabilities and efficiency.
Career Highlights
Yutaka Ohki has contributed significantly to the field of semiconductor technology while working with notable companies such as Furukawa Electric Co., Ltd. and Furukawa Manufacturing Co., Ltd. His efforts have played a crucial role in the development and refinement of cutting-edge optical and laser devices that have wide-reaching implications in various tech sectors.
Collaborations
Throughout his career, Yutaka has collaborated with esteemed professionals, including Hidehiro Taniguchi and Naoki Tsukiji. These partnerships have fostered a dynamic environment for innovation, enabling the development of groundbreaking technologies and expanding the impact of their work on the semiconductor community.
Conclusion
Yutaka Ohki's remarkable contributions to optical semiconductor technology reflect his expertise and dedication to advancing the field. With 19 patents to his name and ongoing collaborations with industry peers, Yutaka continues to be a pivotal figure in the evolution of semiconductor devices, inspiring future innovations.
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.