Norihiko Nakahashi

Title: Norihiko Nakahashi: Innovator in Multiplexer and Extractor Technologies

Introduction

Norihiko Nakahashi is a prominent inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of multiplexers and extractors. With a total of 16 patents to his name, Nakahashi continues to push the boundaries of innovation in his industry.

Latest Patents

Nakahashi's latest patents include a multiplexer that features a first filter connected between a common terminal and an input/output terminal. This filter has a pass band that includes a first frequency band. Additionally, a second filter is connected between the common terminal and an input/output terminal, which has a pass band that includes a second frequency band higher than the first. An additional circuit is connected in parallel to the path connecting the common terminal and the input/output terminal. This circuit includes a longitudinally coupled resonator with IDT electrodes. The design ensures that specific frequency conditions are met for optimal performance.

Another notable patent is an extractor that comprises an external connection terminal, a common terminal, and input-output terminals. This extractor utilizes a band elimination filter connected to the common terminal and the first input-output terminal, which employs a first frequency band as a stop band. It also features a band pass filter connected to the common terminal and the second input-output terminal, using a second frequency band that overlaps with at least a portion of the first frequency band. The extractor's design includes series arm resonators and inductors that enhance its functionality.

Career Highlights

Nakahashi is currently employed at Murata Manufacturing Co., Ltd., a leading company in the electronics sector. His work has been instrumental in advancing the company's technological capabilities and product offerings. His innovative designs have garnered attention and respect within the industry.

Collaborations

Throughout his career, Nakahashi has collaborated with talented individuals such as Teruhisa Shibahara and Masaru Yata. These collaborations have contributed to the successful development of various technologies and patents.

Conclusion

Norihiko Nakahashi is a distinguished inventor whose work in multiplexers and extractors has made a significant impact on the electronics industry. His innovative spirit and dedication to advancing technology continue to inspire future generations of inventors.