This inventor holds 38 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 16 EPO patents, primarily in Optical Communications. Top assignees: Mitsubishi Electric Research Laboratories, Inc., Mitsubishi Electric Corporation. Active years: 2015-2026.
Location History:
- Weston, WA (US) (2015)
- Weston, MA (US) (2015 - 2022)
- Boston, MA (US) (2023)
Company Filing History:
38 out of 1,694 
10 out of 16,539 
Years Active: 2015-2026
Areas of Expertise:
Title: Keisuke Kojima: Innovator in Optical Technologies
Introduction
Keisuke Kojima, based in Weston, Massachusetts, is a prolific inventor with a remarkable portfolio of 35 patents. His work primarily focuses on advancements in optical technologies, demonstrating significant contributions to the field.
Latest Patents
Among his recent inventions, Kojima has developed a **Coherent Optical Sensor with Sparse Illumination**. This method offers a unique approach to target image reconstruction, utilizing stepped frequency waveforms with varying constant frequencies emitted at different times. The innovative technique involves modulating these waveforms into distinct frequency ranges and arranging them with a specific sparsity factor. This allows for effective transmission and reception of modulated waveforms to reconstruct images from the resulting beat signals.
Another notable patent is the **Grating Coupler and Integrated Grating Coupler System**. This grating coupler efficiently channels light beams into a chip's waveguide. It features a substrate with a specific refractive index, a grating structure with uniquely curved lines, and a cladding layer, all tailored to enhance optical coupling while minimizing interference.
Career Highlights
Kojima has spent a significant portion of his career at leading companies such as Mitsubishi Electric Research Laboratories and Mitsubishi Electric Corporation. His experience in these top-tier organizations has not only refined his skills but also facilitated his innovative thinking in optical technologies.
Collaborations
Throughout his career, Kojima has collaborated with several esteemed colleagues, including Toshiaki Koike-Akino and Kieran Parsons. These partnerships have contributed to the development of groundbreaking technologies and have been instrumental in progressing the field of optical engineering.
Conclusion
Keisuke Kojima's contributions to optical innovation through his extensive patent portfolio and collaborations highlight his role as a leading inventor. His work paves the way for advancements in image reconstruction and optical coupling, showcasing the potential of his inventions to influence future technologies.