Company Filing History:
8 out of 4,979 
4 out of 707 Years Active: 1999-2011
Title: Hajime Shimamura: Innovator in SAW Filter Technology
Introduction
Hajime Shimamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in the development of surface acoustic wave (SAW) filters. With a total of 12 patents to his name, Shimamura has established himself as a key figure in innovation.
Latest Patents
Among his latest inventions is the branching filter package. This innovative design features a SAW filter chip housing area that accommodates a piezoelectric base. On this base, both a transmitting SAW filter and a receiving SAW filter are formed, each having different frequency passing bands. Additionally, the package includes an impedance matching circuit and a branching circuit for both filters, enhancing their functionality and performance.
Career Highlights
Hajime Shimamura has worked with notable companies such as Oki Electric Industry Co., Ltd. and Oki Semiconductor Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of electronics.
Collaborations
Some of his notable coworkers include Tomokazu Komazaki and Yoshiaki Fujita. Their collaboration has likely fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Hajime Shimamura's work in the development of SAW filter technology has made a lasting impact on the industry. His numerous patents and collaborations highlight his dedication to innovation and excellence.