Location History:
- Hyogo, JP (1985 - 1996)
- Himeji, JP (1984 - 1997)
- Tokyo, JP (1998 - 2003)
Company Filing History:
17 out of 21,351 
4 out of 488 
1 out of 26 
Years Active: 1984-2003
Title: **Masahira Akasu: Innovating Radar Technology in Himeji, Japan**
Introduction
Masahira Akasu, an inventive mind based in Himeji, Japan, has made significant contributions to the field of radar technology. With a remarkable portfolio of 21 patents, Akasu demonstrates a consistent commitment to innovation and advancement in his field.
Latest Patents
Among his latest inventions is the **FM-CW Radar Apparatus**. This cutting-edge device measures both distance and velocity of a target more efficiently by transmitting two separate FM modulation waves simultaneously—one in a frequency-up direction and the other in a frequency-down direction. This design reduces the radar signal measuring time by half, making it a breakthrough in radar technology. The apparatus features a transmission unit that produces both FM waves simultaneously, a reception unit that detects reflected waves, a beat signal detection unit for analyzing signals separately, and an analysis apparatus that measures the object’s distance and velocity.
Additionally, Akasu has developed a **Distance Measuring Device** with enhanced control performance in a compact design. This device simplifies the structure for scanning a laser beam and improves the method of controlling the scanning mechanism. It incorporates a swinging mirror system, a permanent magnet, a coil, and a Hall element, allowing for precise control over the scanning motion and current adjustments based on the detected swing angle.
Career Highlights
Masahira Akasu has spent a significant part of his career working with prominent companies in the technology sector. He has been associated with Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Denki K.K., where he honed his skills and contributed to various advancements in radar technology and distance measuring devices.
Collaborations
Throughout his career, Akasu collaborated with esteemed coworkers, including Shoichi Tanaka and Koichi Kai. Together, they explored innovative designs and functionalities, enhancing the technological landscape in which they operated.
Conclusion
Masahira Akasu stands out as a visionary inventor whose patents reflect not only his technical expertise but also his ability to innovate in complex fields like radar and distance measurement. His work continues to influence technological advancements and enhance the accuracy and efficiency of critical systems in various applications.