Location History:
- Nishinomiya, JP (1987 - 1988)
- All of Itami, JP (1989)
- Hyogo, JP (1990 - 1996)
- Itami, JP (1979 - 1997)
- Tokyo, JP (1997 - 2010)
Company Filing History:
Years Active: 1979-2010
Title: Innovations of Yutaka Mihashi in Semiconductor Technology
Introduction
Yutaka Mihashi, based in Tokyo, Japan, is a prominent inventor in the field of semiconductor technology. With an impressive portfolio of 29 patents, Mihashi has contributed significantly to the advancement of semiconductor devices, making his work essential in today’s technological landscape.
Latest Patents
Among his latest innovations is a **Semiconductor Laser Device**. This device features an electrically insulating film on the top face of a laser chip, complemented by a metal film on the insulating film. The design employs a polygonal shape with five or more apexes, where the interior angles are less than 180 degrees. This configuration effectively reduces stress caused by temperature changes, leading to enhanced longevity and reliability of the semiconductor laser.
Another significant invention is the **Ridge Waveguide Semiconductor Laser**. This device incorporates an active layer and semiconductor layers forming a ridge-shaped waveguide. It consists of an insulating film on the semiconductor layer, a first electrode layer in contact with the semiconductor through an opening, and a second electrode layer that extends along the waveguide. Notably, the distance from the end face of the laser resonator to the edge of the second electrode layer does not exceed 20 micrometers.
Career Highlights
Yutaka Mihashi has established a solid career at Mitsubishi Electric Corporation, where he works on cutting-edge technologies that push the boundaries of semiconductor applications. His dedication to innovation has earned him recognition in the industry, reflected in the patents he has secured throughout his career.
Collaborations
Mihashi has collaborated with notable colleagues, such as Yutaka Nagai and Motoharu Miyashita, to further enhance the development of semiconductor technologies. These collaborations underscore the importance of teamwork in achieving groundbreaking advancements in the field.
Conclusion
Yutaka Mihashi's contributions to semiconductor technology through his patents exemplify his commitment to innovation. His work not only elevates the performance and reliability of semiconductor devices but also paves the way for future advancements in the industry. With a robust patent portfolio and collaborative spirit, Mihashi continues to play a vital role in the evolution of semiconductor 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.