Toshikazu Yasuoka

Title: Toshikazu Yasuoka: Innovator in Mobile Communication Technology

Introduction

Toshikazu Yasuoka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of mobile communication technology, holding a total of 4 patents. His innovative work has paved the way for advancements in communication devices.

Latest Patents

Yasuoka's latest patents include a mobile communication device featuring an output power sensor. In this device, a power amplifier amplifies the power of a signal for transmission. A transmitter filter limits the frequency band of the amplified signal to a predetermined range. The output power control circuitry manages the output power of the transmitted signal, incorporating an output power sensor and an automatic power control circuit. The output power sensor is strategically placed after the transmitter filter to sense the output power of the signal. The automatic power control circuit adjusts the gain of the power amplifier to ensure that the sensed output power aligns with a preselected reference value. Another notable patent involves an LC-type dielectric filter and duplexer, which consists of multiple substrate layers arranged in a stack. This design includes strip line resonators and terminals that are capacitively or inductively coupled. The duplexer can be enhanced with a matching circuit and a power amplifier for RF transmission.

Career Highlights

Throughout his career, Toshikazu Yasuoka has worked with esteemed companies such as Oki Electric Industry Co., Ltd. and Nihon Den-netsu Keiki Co., Ltd. His experience in these organizations has contributed to his expertise in mobile communication technologies.

Collaborations

Yasuoka has collaborated with notable professionals in the field, including Hiroyuki Horii and Masao Iwata. These partnerships have fostered innovation and development in his projects.

Conclusion

Toshikazu Yasuoka's contributions to mobile communication technology are significant and impactful. His patents reflect a deep understanding of the complexities involved in communication devices. His work continues to influence the industry and inspire future innovations.