Company Filing History:
8 out of 13,307 
5 out of 16,453 
Years Active: 2009-2025
Title: Kouki Ichihashi: Innovator in Optical Technologies
Introduction
Kouki Ichihashi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical technologies, holding a total of 13 patents. His work focuses on advancements in laser processing and optical resonators, showcasing his expertise and innovative spirit.
Latest Patents
Ichihashi's latest patents include an optical resonator and a laser processing apparatus. The optical resonator of wavelength beam combining type features a laser diode array with multiple laser elements that emit light beams of different wavelengths. It incorporates a diffraction grating that diffracts the emitted light beams at angles corresponding to their wavelengths. Additionally, an output coupler reflects part of the diffracted light back toward the laser elements, while an optical system aligns the emitted light beams. This system includes a first lens element with negative power and a second lens element with positive power, both oriented in a predetermined direction.
His laser processing apparatus patent describes an optical unit that includes a laser diode with multiple emitters, a lens unit with several lenses, and a holding block with light-transmitting properties. The holding block and laser diode are bonded with a first adhesive, while the lens unit is attached to the holding block with a second adhesive. A light-shielding film is strategically placed between the lens unit and the holding block to enhance functionality.
Career Highlights
Ichihashi has worked with notable companies, including Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technologies.
Collaborations
Throughout his career, Ichihashi has collaborated with talented individuals such as Masahiro Kasano and Katsuhiko Hayashi. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Kouki Ichihashi is a distinguished inventor whose work in optical technologies has led to numerous patents and advancements in the field. His innovative contributions continue to shape the landscape of laser processing and optical systems.