Company Filing History:
6 out of 389 
5 out of 5,290 
Years Active: 1995-1997
Title: Nobunari Takeuchi: Innovator in Optical Technology
Introduction
Nobunari Takeuchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of six patents. His work focuses on innovative methods and systems that enhance the measurement and control of light.
Latest Patents
Among his latest patents is the "Light Return Loss Measurement System and Method." This invention utilizes an optical time domain reflectometer (OTDR) to measure light return loss over an arbitrary interval of an optical fiber. The system features an arithmetic circuit that calculates light return loss by integrating the measured waveform and applying a light interception correction constant. This method allows for easy calibration of light return loss in the OTDR.
Another notable patent is the "Light Frequency Control Apparatus." This invention includes a light pulse signal generating mechanism that produces a standard frequency light pulse signal. It also features a light frequency shifting mechanism that circulates the light pulse signal, delaying it at each cycle to sequentially shift and output the signal. Additionally, a polarization control mechanism is integrated to manage the angle of polarization based on the attenuation of the output signal.
Career Highlights
Nobunari Takeuchi has worked with several reputable companies throughout his career. He has been associated with Ando Electric Company and Nippon Telegraph and Telephone Corporation, where he has contributed to various projects and innovations in optical technology.
Collaborations
Throughout his career, Nobunari has collaborated with notable colleagues, including Tekken Lee and Kaoru Shimizu. These collaborations have further enriched his work and contributed to advancements in the field.
Conclusion
Nobunari Takeuchi is a distinguished inventor whose work in optical technology has led to significant advancements in measurement and control systems. His innovative patents reflect his expertise and commitment to enhancing optical technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.