Company Filing History:
Years Active: 1991-1994
Title: Chitose Nakanishi: Innovator in Semiconductor Laser Technology
Introduction
Chitose Nakanishi is a prominent inventor based in Nara, Japan. She has made significant contributions to the field of semiconductor laser technology. With a total of 4 patents to her name, Nakanishi's work has advanced the capabilities and applications of semiconductor lasers.
Latest Patents
Nakanishi's latest patents include a semiconductor laser device with window regions. This innovative device features a double hetero structure that includes cladding layers and an active layer, which is sandwiched between the cladding layers. The double hetero structure is buried in layers with a larger bandgap than that of the active layer, forming window regions at both end facets. These window regions incorporate a waveguide structure with multiple semiconductor layers of varying bandgaps. Another notable patent is for a distributed feedback semiconductor laser device. This device comprises a current blocking structure with a stripe groove and a diffraction grating formed at the bottom of the groove. The current blocking structure is positioned over an active layer for laser oscillation and includes an etch stop layer to facilitate groove etching.
Career Highlights
Chitose Nakanishi is currently employed at Sharp Corporation, where she continues to innovate in the field of semiconductor technology. Her work has been instrumental in developing advanced laser devices that enhance performance and efficiency.
Collaborations
Nakanishi has collaborated with notable colleagues, including Kazuhiko Inoguchi and Haruhisa Takiguchi. These partnerships have fostered a collaborative environment that promotes innovation and the sharing of ideas.
Conclusion
Chitose Nakanishi's contributions to semiconductor laser technology exemplify her dedication to innovation. Her patents reflect her expertise and commitment to advancing the field. Through her work at Sharp Corporation and collaborations with esteemed colleagues, Nakanishi continues to shape the future of semiconductor technology.