This inventor holds 4 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1987-2005.
Location History:
- Tokyo, JP (1987 - 1991)
- Musashino, JP (2005)
Company Filing History:
Years Active: 1987-2005
Title: Takashi Mikawa: Innovator in Optical Technologies
Introduction
Takashi Mikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technologies, holding a total of 4 patents. His work focuses on advanced semiconductor devices and their applications in modern technology.
Latest Patents
Mikawa's latest patents include an optical interconnection apparatus and an interconnection module. This innovative design features a surface emitting semiconductor laser and a driver IC arranged in a three-dimensional configuration. A submounting substrate is placed between these components, with LSIs such as CPUs mounted on the driver IC. The surface emitting semiconductor laser is created using the epitaxial lift-off (ELO) process, achieving a thickness of approximately 10 micrometers. A through hole connects the submounting substrate, the surface emitting semiconductor laser, the driver IC, and the LSIs electrically via conductors. Another notable patent involves a semiconductor photodiode, specifically an avalanche photodiode (APD). This device includes a substrate made of n+ -type AlxGaySb or AlxGaySb1-yAs1-y semiconductor, with an aluminum content ratio typically ranging from 0.1 to 0.3. The APD is designed to maximize the ionization rate ratio of positive and negative carriers through a resonant impact ionization phenomenon, ensuring low noise and fast operation.
Career Highlights
Mikawa is currently employed at Fujitsu Corporation, where he continues to develop cutting-edge technologies. His work has significantly impacted the field of optical interconnections and semiconductor devices.
Collaborations
Throughout his career, Mikawa has collaborated with notable colleagues, including Takao Kaneda and Tetsuzo Yoshimura. These partnerships have fostered innovation and advancement in their respective fields.
Conclusion
Takashi Mikawa's contributions to optical technologies and semiconductor devices highlight his role as a leading inventor in Japan. His innovative patents and collaborations continue to shape the future of technology.