Location History:
- Funabashi, JP (1989 - 1992)
- Yokohama, JP (1997)
- Tokyo, JP (1984 - 2024)
Company Filing History:
12 out of 2,630 
5 out of 1,235 
3 out of 15,844 
Years Active: 1984-2025
Title: Innovations and Contributions of Koichi Maeda in Optical Technologies
Introduction
Koichi Maeda, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of optical technologies. With a portfolio of 22 patents, Maeda has pushed the boundaries of innovation, particularly in the realm of optical fibers and communication systems.
Latest Patents
Among his latest patents are a series of groundbreaking inventions including the Multi-core Optical Amplifying Fiber, the Multi-core Optical Fiber Amplifier, and a cutting-edge Optical Communication System. His Multi-core Optical Amplifying Fiber features core portions doped with a rare-earth element surrounded by inner and outer cladding portions. The design specifies a mode field diameter of each core portion ranging from 5 μm to 11 μm, with a precise relative refractive index difference of 0.35% to 2%. Furthermore, the configuration optimizes core-to-core distance to maintain inter-core crosstalk at a notable level of −40 dB/100 m or lower within the targeted optical amplification wavelength band.
Additionally, Maeda's innovative Optical Fiber Bundle Structure integrates multiple optical fiber core wires with a unique crossing preventing member and a grasping member, enhancing the stability and efficiency of optical connections.
Career Highlights
Throughout his career, Koichi Maeda has been affiliated with prominent organizations, including Furukawa Electric Co., Ltd. and Nissan Chemical Industries Limited. His deep expertise and inventive spirit have led to pioneering advancements in optical technology, particularly in optical amplification and fiber connectivity.
Collaborations
Maeda has collaborated with notable experts in the field, including his colleagues Ryuichi Sugizaki and Shigehiro Takasaka. These partnerships have not only fostered innovative projects but have also contributed to advancements in optical communication systems and related technologies.
Conclusion
Koichi Maeda’s contributions through his various patents showcase his dedication to advancing optical technologies. His innovative solutions play a crucial role in the ongoing development and optimization of optical communication systems. As the industry continues to evolve, Maeda's work remains a significant touchstone for future inventions.
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.