Toshimasa Kakiuchi

Title: Innovations of Toshimasa Kakiuchi

Introduction

Toshimasa Kakiuchi is a notable inventor based in Koriyama, Japan. He has made significant contributions to the field of optical technology, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

Kakiuchi's latest patents include an infrared transmission filter and an imaging device. The infrared transmission filter is designed to be inexpensive, lightweight, and thin, with no incident angle dependency. It excels in permselectivity for infrared light. This filter comprises an infrared transmission base material that selectively transmits light in the infrared wavelength range, along with a short wavelength side infrared absorbing film that contains a near-infrared absorbent. The imaging device utilizes this advanced infrared transmission filter to enhance its functionality.

Another significant patent is for a phase plate and optical head device. This invention is capable of suppressing changes in the amount of light incident on a light-receiving unit, even when the phase difference varies due to different types of optical recording media. The phase plate includes a birefringent medium that produces a phase difference in linearly polarized light. It features multiple types of phase areas that are arranged with two-fold rotational symmetry concerning the optical axis of the phase plate.

Career Highlights

Kakiuchi is currently employed at Asahi Glass Company, Limited, where he continues to develop innovative optical technologies. His work has contributed to advancements in the field, particularly in the areas of infrared technology and optical recording.

Collaborations

He has collaborated with notable coworkers, including Yoshiharu Ooi and Takuji Nomura, who have also contributed to the field of optical technology.

Conclusion

Toshimasa Kakiuchi's contributions to optical technology through his patents reflect his innovative approach and dedication to advancing the field. His work continues to influence the development of new technologies in the industry.