Location History:
- Osaka, JP (1993 - 2002)
- Yokohama, JP (2003 - 2005)
Company Filing History:
7 out of 10,264 
1 out of 4 
1 out of 6,171 
Years Active: 1993-2005
Title: Ryugen Yonemura: Innovator in Optical Technologies
Introduction
Ryugen Yonemura is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical technologies, holding a total of 8 patents. His work has been instrumental in advancing optical data links and modules, showcasing his expertise and innovative spirit.
Latest Patents
One of his latest patents is an optical data link, which comprises a housing, a circuit board, a semiconductor electrical device, an electrically insulating sealing resin, an optical subassembly, a first heat spreader, and a second heat spreader. The circuit board is provided in the housing, while the semiconductor electrical device is mounted on the circuit board. The electrically insulating sealing resin covers the semiconductor electrical device, and the optical subassembly is supported by the housing. This subassembly includes a semiconductor optical device that connects to the semiconductor electrical device through the circuit board. The first heat spreader is positioned between the housing and the semiconductor electrical device, making contact with the housing. The second heat spreader is located between the housing and the optical subassembly, also in contact with both components, but is situated apart from the first heat spreader.
Another notable patent is an optical module with a lens holding member. This optical module consists of a mounting member, a lens holding member, a lens, and an optical semiconductor element. The mounting member and the lens holding member are aligned along a predetermined axis. The optical semiconductor element is optically coupled to the lens. The lens holding member features a wall portion with a first inner surface and a second inner surface. The first inner surface is positioned outside a reference surface that extends in the direction of the predetermined axis, intersecting with a supporting portion to form a closed line, while the second inner surface is located inside the reference surface.
Career Highlights
Throughout his career, Ryugen Yonemura has worked with notable companies such as Sumitomo Electric Industries and the Public Works Research Institute. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in optical technology.
Collaborations
Ryugen has collaborated with talented individuals in his field, including Takanori Sawai and Koji Kishimoto. These partnerships have fostered innovation and have led to the development of advanced optical solutions.
Conclusion
Ryugen Yonemura