This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignee: Nippon Telegraph and Telephone Corporation. Active years: 2004-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (2004 - 2007)
- Atsugi, JP (2011)
Company Filing History:
Years Active: 2004-2011
Title: Hiromi Oohashi: Innovator in Semiconductor Laser Technology
Introduction
Hiromi Oohashi is a prominent inventor based in Kanagawa, Japan. She has made significant contributions to the field of semiconductor laser technology, holding a total of 5 patents. Her work focuses on developing advanced laser devices that enhance performance and reliability.
Latest Patents
Oohashi's latest patents include a wavelength tunable semiconductor laser device, a controller for the same, and a control method for the same. The objective of this invention is to provide a device that prevents wavelength drifts. The wavelength tunable semiconductor laser device features an active region for oscillating a laser beam and a wavelength tuning region for shifting the wavelength of the laser beam. Additionally, it incorporates a thermal compensation region that converts most of the inputted electric power to heat, ensuring that the sum of the electric power inputted into both the wavelength tuning region and the thermal compensation region remains constant. Another notable invention is an optical amplifier that includes a first optical path, a second optical path, a semiconductor optical amplifier, and a multi-mode interference 3-dB coupler. This optical amplifier is designed to guide oscillation light and signal light effectively.
Career Highlights
Hiromi Oohashi is currently employed at Nippon Telegraph and Telephone Corporation, where she continues to innovate in the field of telecommunications and laser technology. Her work has been instrumental in advancing the capabilities of semiconductor lasers, making them more efficient and reliable for various applications.
Collaborations
Throughout her career, Oohashi has collaborated with notable colleagues, including Yasuo Shibata and Nobuhiro Kikuchi. These collaborations have contributed to the development of her groundbreaking technologies and patents.
Conclusion
Hiromi Oohashi is a trailblazer in semiconductor laser technology, with a focus on creating devices that enhance performance and stability. Her contributions to the field are significant, and her patents reflect her innovative spirit and dedication to advancing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile