Location History:
- Kawasaki, JP (1990 - 1998)
- Sendai, JP (2001)
- Sapporo, JP (2003)
- Hokkaido, JP (2004)
Company Filing History:
Years Active: 1990-2004
Title: Innovations of Yoshifumi Nakajima
Introduction
Yoshifumi Nakajima is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of oscillator technology, holding a total of 7 patents. His work focuses on optimizing circuit parameters for excitation circuits and developing stable frequency generators.
Latest Patents
Among his latest patents are the oscillator controller and the rubidium atom oscillator. The oscillator controller optimizes key circuit parameters of an excitation circuit based on the operating conditions of a discharge lamp. This excitation circuit is crucial for producing a light beam used in atomic resonance detection. The controller includes a start-up voltage monitor and a light amount monitor to ensure optimal performance. The rubidium atom oscillator, on the other hand, is designed to generate a stable frequency that is unaffected by surrounding noise. It features a crystal oscillator and a direct digital synthesizer that work together to maintain short-term stability and excellent phase noise characteristics.
Career Highlights
Yoshifumi Nakajima is currently employed at Fujitsu Corporation, where he continues to innovate in the field of oscillator technology. His work has been instrumental in advancing the capabilities of atomic resonance detection systems.
Collaborations
He has collaborated with notable coworkers such as Yoshito Koyama and Ken Atsumi, contributing to various projects that enhance the functionality and reliability of electronic systems.
Conclusion
Yoshifumi Nakajima's contributions to oscillator technology and his innovative patents reflect his expertise and dedication to advancing the field. His work continues to influence the development of reliable electronic systems.
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