Location History:
- Kanagawa, JP (1990 - 1996)
- Kamakura, JP (1996)
- Tokyo, JP (1998 - 2012)
Company Filing History:
18 out of 21,351 
1 out of 226 
1 out of 15,942 
Years Active: 1990-2012
Title: Kuniaki Motoshima: An Innovator in Optical Technologies
Introduction: Kuniaki Motoshima is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to optical technology. With an impressive portfolio of 19 patents, Motoshima has developed innovative solutions that impact various industries.
Latest Patents: Among his recent inventive works, Motoshima introduced the "Optical Relay Device and Optical Relay Transmission System." This patent features a sophisticated control-target-value setting unit that adjusts control target values according to the number of multiplexed wavelengths detected by a measuring unit. The design incorporates a controller that regulates a variable optical attenuator based on the established control target value. Additionally, the optical amplifier ensures consistent optical amplification with a constant gain, irrespective of the wavelength-multiplexed light's power. The controller further executes feedback control to align the total power measurement of the wavelength-multiplexed light with the specified control target value.
Another notable patent is the "Circuit for Varying Gain of Preamplifier." This invention features a gain switching circuit capable of altering the conversion gain of a preamplifier. It consists of a series circuit formed with a first resistor and a switching element, alongside another series circuit arranged with a second resistor and a second switching element. The gain switching circuit includes operating units that generate signals to manage the timing of these switching elements within designated gain switching periods.
Career Highlights: Kuniaki Motoshima has had a distinguished career spanning various esteemed organizations. He has notably worked with Mitsubishi Electric Corporation and Kokusai Denshin Denwa Co., Ltd., where he has leveraged his inventive capabilities and engineering expertise to enhance optical technologies.
Collaborations: Throughout his career, Motoshima has collaborated with talented individuals, including Tadayoshi Kitayama and Katsuhiro Shimizu. These partnerships have fostered an environment of innovation and creativity, further propelling advancements in optical systems.
Conclusion: Kuniaki Motoshima stands out as a key figure in the realm of optical technology innovation. His 19 patents reflect his dedication to advancing the field, and his collaborations highlight the importance of teamwork in driving technological progress. As the world continues to evolve, Motoshima's contributions will undeniably leave a lasting impact.