Location History:
- Senzoku, JP (1979)
- Tokyo, JP (1989)
Company Filing History:
Years Active: 1979-1989
Title: Takashi Touge: Innovator in Semiconductor Laser Technology
Introduction
Takashi Touge is a prominent inventor based in Senzoku, Japan. He has made significant contributions to the field of semiconductor laser technology, holding a total of 2 patents. His work focuses on improving modulation control systems for semiconductor lasers, which are essential in various optical applications.
Latest Patents
One of his latest patents is a semiconductor laser modulation control system. This system includes a drive circuit that supplies a drive current to a semiconductor laser based on input data, modulating the data into an optical signal. The optical signal can exist in either a high intensity state or a low intensity state, corresponding to input data of '1' or '0'. Additionally, the system features a duty ratio conversion circuit that adjusts the duty ratio of the input data, ensuring that the low intensity state of the optical signal returns to a high intensity state within each time slot, thereby suppressing relaxation oscillation.
Another notable patent is a light emitting element drive system. In this system, a light emitting element, such as a semiconductor laser or light emitting diode, is modulated directly by a drive current that corresponds to an input modulation signal. The drive current is selected based on the integrated value of the input modulation signal, compensating for modulation characteristic deterioration due to thermal effects in the light emitting element. This innovation allows for the achievement of a desired optical output waveform.
Career Highlights
Takashi Touge is currently employed at Fujitsu Corporation, where he continues to develop cutting-edge technologies in the field of semiconductor lasers. His expertise and innovative approach have positioned him as a key figure in his area of specialization.
Collaborations
Throughout his career, Takashi has collaborated with notable colleagues, including Yasuo Nagai and Matazou Yamagata. These collaborations have further enhanced his contributions to the field and fostered advancements in semiconductor technology.
Conclusion
In summary, Takashi Touge is a distinguished inventor whose work in semiconductor laser technology has led to significant advancements. His patents reflect a deep understanding of modulation control systems, contributing to the efficiency and effectiveness of optical applications.
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