Location History:
- Toyko, JP (2006)
- Ome, JP (2004 - 2007)
- Mitaka, JP (2011 - 2012)
- Tokyo, JP (2006 - 2018)
- Sakura, JP (2015 - 2018)
- Chiba, JP (2022)
Company Filing History:
14 out of 1,805 
10 out of 52,752 
1 out of 2,637 
Years Active: 2004-2025
Title: Innovations by Hiroyuki Kusaka: A Journey Through His Latest Patents
Introduction: Hiroyuki Kusaka, based in Sakura, Japan, is an illustrious inventor with an impressive portfolio of 21 patents. His contribution to the field of optical technologies showcases his dedication to innovation and technical excellence.
Latest Patents: Hiroyuki Kusaka's recent patents include a groundbreaking light diffraction element and an advanced optical computing system. This light diffraction element features cells that include both first and second regions, with each region having adjustable thickness or refractive index. The design allows for the separation of first and second polarized components of signal light, enabling intricate optical computations. The result is a system where the first polarized components interfere with each other, ultimately conveying information after processing.
Another noteworthy invention is his fiber laser apparatus, which integrates a pump light source and an amplifying optical fiber. This apparatus is equipped with a unique filter element that selectively diminishes light loss at specific wavelengths, particularly concerning Stokes and anti-Stokes light produced via four-wave mixing in a multi-mode fiber. Such functionalities highlight the sophistication of Kusaka's inventions and their applications in advanced optical systems.
Career Highlights: Throughout his career, Hiroyuki Kusaka has made significant contributions while working for renowned companies, including Toshiba Corporation and Fujikura Limited. His work in these institutions underscores his role in advancing optical technologies and laser systems.
Collaborations: Hiroyuki's innovations have also been influenced by his collaboration with esteemed colleagues such as Kazuhiro Goi and Kensuke Ogawa. These partnerships reflect the collaborative spirit essential in pushing the boundaries of technology and innovation.
Conclusion: Hiroyuki Kusaka exemplifies the spirit of innovation through his numerous patents and contributions to optical technology. His work not only enhances existing systems but also opens new avenues for research and development in the field. As the landscape of technology continues to evolve, Kusaka's inventions remain a pivotal part of the conversation surrounding optical systems and computing.