Company Filing History:
Years Active: 1993-2004
Title: **Koichi Gen-ei: Innovator in Semiconductor Laser Technology**
Introduction
Koichi Gen-ei, an accomplished inventor based in Ichikawa, Japan, has made significant contributions to the field of semiconductor laser technology. With a remarkable portfolio of four patents, he continues to push the boundaries of innovation within this specialized domain.
Latest Patents
Gen-ei's latest patents demonstrate his expertise in laser technology, particularly in addressing the challenges associated with light reflection. His first patent involves a semiconductor laser device that removes influences from the returning light of three beams. This innovative solution incorporates a semiconductor laser chip with an emission facet designed to emit a laser beam. The design includes a sub-mount with an inclined second surface, which effectively reflects diffraction light from a sub-beam, thus enhancing the device's performance.
Another notable patent is a monolithic two-wavelength semiconductor laser device that features advanced films on its front and rear end faces. The front end face film is crafted from low-refractive-index material to achieve a reflectivity of 20%, while the high-reflectivity end face film, made from alternating low- and high-refractive-index materials, showcases a reflectivity of 80%. These precise calculations allow for the production of high-reliability, high-performance two-wavelength laser devices, significantly improving productivity in semiconductor manufacturing.
Career Highlights
Koichi Gen-ei is proudly associated with Kabushiki Kaisha Toshiba, a leading technology company that fosters innovation and advancement in various fields, including semiconductor technology. His role within this esteemed organization underscores his commitment to pioneering advancements in laser devices and manufacturing methods.
Collaborations
Throughout his career, Gen-ei has collaborated with esteemed colleagues such as Makoto Okada and Hideo Shiozawa. These partnerships reflect a collaborative spirit in the pursuit of groundbreaking technological advancements. Together, they have contributed to the development of patents that have the potential to impact various industries reliant on semiconductor laser technology.
Conclusion
Koichi Gen-ei stands out as a significant inventor in the realm of semiconductor laser technology. His latest patents underline his dedication to addressing complex challenges with innovative solutions, thus contributing to the larger body of knowledge and technology in this field. As he continues to work with Kabushiki Kaisha Toshiba, the impact of his inventions is sure to resonate within the tech community and beyond.