Location History:
- Meguro-Ku, JP (1999)
- Meguro-ku, Tokyo, JP (2002)
- Saitama, JP (2008 - 2014)
- Kamagaya, JP (2016)
- Tokyo, JP (1994 - 2020)
- Kumagaya, JP (2005 - 2020)
Company Filing History:
23 out of 8,898 
3 out of 2,433 
2 out of 423 
Years Active: 1994-2020
Title: Hirohisa Tanaka: Innovator in Illumination Optical Systems
Introduction
Hirohisa Tanaka is a distinguished inventor based in Kumagaya, Japan, holding an impressive portfolio of 37 patents. His work primarily focuses on innovations in illumination optical systems, significantly impacting industries that rely on advanced optical technologies.
Latest Patents
Tanaka's latest patents showcase his expertise in developing sophisticated optical designs. One notable invention is an illumination optical system that illuminates an objective surface using light from a source. This system incorporates a spatial light modulator composed of multiple optical elements, which can be individually controlled to create a specific light intensity distribution in the illumination pupil. Additionally, it features a polarization unit that manages incident light beams by producing differing polarization states for its partial beams. This advanced technology is foundational for applications requiring precise light manipulation.
Another key patent discusses an illumination optical assembly, which also forms a pupil intensity distribution with a tailored beam profile. This system includes a variety of optical components, including a divergence angle providing member that adjusts the incident beam's divergence angle and a polarizing member that alters the polarization state of a propagating beam. Together, these innovations reflect Tanaka's profound understanding of optical systems and their applications.
Career Highlights
Throughout his career, Hirohisa Tanaka has made significant contributions to the field of optical engineering. He has collaborated with notable companies in the industry, including Nikon Corporation and NSK Corporation. These partnerships have facilitated the development and application of his groundbreaking optical technologies in real-world settings, further underscoring his role as a leading inventor in this arena.
Collaborations
Tanaka has worked alongside esteemed colleagues such as Osamu Tanitsu and Kenichi Muramatsu. Their collaborations have resulted in advancements that not only enhance optical systems but also pave the way for future innovations in light-based applications.
Conclusion
Hirohisa Tanaka’s remarkable contributions to the field of illumination optical systems underscore his standing as an influential inventor in Japan. With 37 patents to his name, his work continues to inspire advancements in optical technology. As the industry evolves, Tanaka's innovations will remain essential to shaping the future of optical engineering.