Tokyo, Japan

Yasushi Hara

USPTO Granted Patents = 10 

 

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 51(Granted Patents)


Company Filing History:


Years Active: 1998-2023

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10 patents (USPTO):Explore Patents

Title: Innovations of Yasushi Hara

Introduction

Yasushi Hara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical communication, holding a total of 10 patents. His work focuses on enhancing the stability and efficiency of optical signal transmission.

Latest Patents

Hara's latest patents include an optical transfer system, an optical transmitter, and an optical communication method. These innovations aim to stabilize the characteristics of reception of an optical signal received via a transfer path. The optical receiver he developed is equipped with various components, including a local beam output means, a light receiving means, a photoelectric conversion means, a measuring means, a control means, and a comparing means. The comparing means generates difference data between a spectrum based on the measuring results and a preset reference spectrum, which is crucial for optimizing signal reception.

Another notable patent involves a test controller for an optical wavelength multiplexing transmission apparatus. This controller includes a wavelength tunable filter controller that manages the center wavelength and wavelength band of the optical signal. Additionally, it features a test transponder controller that regulates the wavelength band of a test optical signal generated by a test transponder.

Career Highlights

Yasushi Hara is currently employed at NEC Corporation, where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing optical communication systems, making them more reliable and efficient.

Collaborations

Hara has collaborated with notable colleagues, including Kenichi Nomura and Hiroaki Tanaka. Their combined expertise has contributed to the successful development of various optical technologies.

Conclusion

Yasushi Hara's contributions to optical communication through his patents and collaborations highlight his role as a leading inventor in this field. His work continues to influence advancements in technology, ensuring more stable and efficient optical signal transmission.

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