Tatsuru Kojima

Title: Innovations of Tatsuru Kojima

Introduction

Tatsuru Kojima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of radio technology, holding a total of 7 patents. His work has been instrumental in advancing the capabilities of radio receivers and printed circuit boards.

Latest Patents

One of his latest patents is a radio receiver designed to suppress frequency drift in an intermediate frequency. This innovative receiver utilizes a counter to count the eventual intermediate frequency of an amplified signal based on a reference signal. A frequency controller adjusts the reference frequency according to the count datum, ensuring that the radio receiver can effectively manage frequency drifts caused by local oscillations. Another notable patent involves a printed circuit board that allows for the measurement of characteristic impedance and wavelength compaction ratio of microstrip lines without disconnecting them from surrounding circuitry. This design features a strip conductor with a measurement land and chip lands that connect to a chip resistor.

Career Highlights

Throughout his career, Tatsuru Kojima has worked with prominent companies such as NEC Corporation and NTT Mobile Communications Network, Inc. His experience in these organizations has contributed to his expertise in radio technology and circuit design.

Collaborations

He has collaborated with esteemed colleagues, including Yukio Fukumura and Isao Shimizu, further enhancing his innovative work in the field.

Conclusion

Tatsuru Kojima's contributions to radio technology and circuit design have made a lasting impact on the industry. His innovative patents and collaborations reflect his dedication to advancing technology in meaningful ways.