Location History:
- Yokosuka, JP (2011)
- Kawasaki, JP (2000 - 2023)
Company Filing History:
35 out of 39,244 
1 out of 2 
1 out of 266 
Years Active: 2000-2023
Title: Innovations and Contributions of Masahiko Shimizu
Introduction: Masahiko Shimizu, a prominent inventor based in Kawasaki, Japan, is known for his significant contributions to the field of wireless communication. With an impressive portfolio of 36 patents, Shimizu has developed innovative technologies that enhance the efficiency and effectiveness of wireless communication systems.
Latest Patents: Among his recent inventions, Shimizu has introduced groundbreaking patents in wireless communication apparatuses and beam control methods. One notable patent details a wireless communication apparatus that outputs first and second beams based on a weighting vector representing gain and/or phase weighting. The apparatus derives a weighting vector corresponding to a maximum eigenvalue of a matrix, ensuring it effectively minimizes side lobe output while maximizing main lobe power. Another recent patent focuses on a wireless communication device, comprising multiple subarrays equipped with antenna elements and an analog circuit. This device innovatively estimates the direction of incoming signals and generates directional beams that operate without interference.
Career Highlights: Throughout his career, Masahiko Shimizu has collaborated with renowned companies such as Fujitsu Corporation and Fujitsu Limited. His work at these prestigious organizations has allowed him to develop cutting-edge technologies that have significantly impacted the wireless communication industry.
Collaborations: Shimizu has collaborated with esteemed colleagues, including Akira Ito and Tsuyoshi Hasegawa. Their partnership has resulted in numerous innovative solutions that push the boundaries of technology in wireless communication.
Conclusion: Masahiko Shimizu's prolific work in the invention and development of wireless communication technologies underscores his status as a leading inventor. His patents not only represent his engineering prowess but also contribute to advancing communication systems, making him an invaluable asset in the field of technology.