Company Filing History:
Years Active: 2018-2025
Title: Kenichi Hirosawa: Innovator in Laser Technology
Introduction
Kenichi Hirosawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of laser technology, holding a total of 6 patents. His work primarily focuses on advancements in laser amplifiers and optical waveguides.
Latest Patents
One of Hirosawa's latest patents is a laser amplifier that features a planar optical waveguide for laser amplification. This innovative design includes an input optical system that effectively inputs signal light to the core layer of the waveguide. The system comprises a collimating lens that converts output light from a signal light source into parallel light, an anamorphic prism that reduces the beam width in one direction, and a cylindrical lens that collects output light in another direction. The output light from the cylindrical lens is then input to the core layer.
Another notable patent involves a planar waveguide and laser amplifier. This invention includes a first dielectric multilayer film that transmits a specific wavelength band while reflecting excitation light. The film is strategically placed on one end surface of the core, along with inner and outer cladding layers. A second dielectric multilayer film is also included, which serves a similar function on the opposite end surface.
Career Highlights
Kenichi Hirosawa is currently employed at Mitsubishi Electric Corporation, where he continues to push the boundaries of laser technology. His work has been instrumental in developing efficient laser systems that have applications in various industries.
Collaborations
Throughout his career, Hirosawa has collaborated with notable colleagues, including Fumio Shohda and Takayuki Yanagisawa. These partnerships have fostered innovation and have contributed to the success of their projects.
Conclusion
Kenichi Hirosawa is a distinguished inventor whose work in laser technology has led to several important patents. His contributions continue to influence the field and demonstrate the potential of innovative laser systems.