Nobuhiro Inagaki

Title: Nobuhiro Inagaki: Optoelectronic Semiconductor Device Inventor

Introduction

Nobuhiro Inagaki is an inventor based in Yokohama, Japan, associated with Fujitsu Corporation. His work includes inventions for optoelectronic semiconductor devices used in optical transmission systems. He is credited with 2 patents.

Latest Patents

Inagaki’s listed patents address device designs that connect optoelectronic semiconductor elements with optical fibers.

- **Optoelectronic semiconductor device.** This invention describes a device with an optoelectronic semiconductor element sealed within a housing and an optical fiber positioned through the housing. Light-absorbing material surrounds the fiber inside the housing to substantially absorb light emitted from or received by the semiconductor element.

- **Optoelectronic semiconductor device having an optical fiber connector.** This design includes a stem supporting an optoelectronic semiconductor element and a cap containing an optically communicating fiber. The fiber end is exposed at the cap surface, while a screw and engaging nut provide a means to connect an optical transmission fiber.

Career Highlights

Inagaki’s listed patent work focuses on optical transmission hardware, particularly the arrangement and connection of optical fibers and semiconductor elements. The designs address light absorption within a device housing and fiber connection through a cap.

Collaborations

His listed coworkers include Ryosuke Namazu and Takayuki Nakayama.

Conclusion

Nobuhiro Inagaki’s patent contributions center on optoelectronic semiconductor devices and practical optical-fiber integration for transmission systems.