This inventor holds 2 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1989-1991.
Company Filing History:
Years Active: 1989-1991
Title: Naoki Shibanuma: Innovator in Semiconductor Laser Technology
Introduction
Naoki Shibanuma is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor laser technology, holding a total of 2 patents. His work has been instrumental in advancing the capabilities of laser modules used in various applications.
Latest Patents
Shibanuma's latest patents include innovative designs for semiconductor laser modules. The first patent describes a semiconductor laser module that comprises a semiconductor laser device, an optical fiber, and a lens for coupling light emitted from the semiconductor laser device to the optical fiber. This design features a metal base with a flat portion and a pipe portion, where the semiconductor laser device is mounted on a chip carrier. The lens is fixed inside the pipe portion, and the optical fiber is protected by a ferrule attached to the metal base. Additionally, a monitor photodiode and a thermistor may be mounted on the flat portion, enhancing the module's functionality.
The second patent details a dual-inline-package semiconductor laser package that incorporates a temperature-controlling Peltier element. This package is housed in a box-shaped metal case with a hermetically sealed window glass. It includes a substrate fixed on the Peltier element, a semiconductor laser mounted on the substrate through a chip carrier, and various optical components. This innovative design aims to improve the performance and reliability of semiconductor laser applications.
Career Highlights
Naoki Shibanuma is currently employed at NEC Corporation, where he continues to develop cutting-edge technologies in the semiconductor field. His expertise and innovative mindset have made him a valuable asset to the company.
Collaborations
Shibanuma has collaborated with Yasunobu Ohshima, a fellow innovator, to further enhance the development of semiconductor laser technologies. Their combined efforts have led to advancements that benefit the industry.
Conclusion
Naoki Shibanuma's contributions to semiconductor laser technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of the complexities involved in laser module design, positioning him as a key figure in this field.