Location History:
- Kanagawa, JP (1988 - 1989)
- Yokohama, JP (1988 - 1997)
Company Filing History:
Years Active: 1988-1997
Title: Susumu Imakawa: Innovator in Optical Technologies
Introduction
Susumu Imakawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technologies, holding a total of 14 patents. His work focuses on enhancing the performance and efficiency of optical devices.
Latest Patents
Imakawa's latest patents include a multi-beam light source device and an optical scanning apparatus. The multi-beam light source device is designed to be used in optical scanning devices, featuring reduced optical cross-talk and improved stability in frequency response. This device consists of a semiconductor laser array with multiple light-emitting sources, a light-receiving element array, and a half mirror that splits the emitted light beam into at least two beams. Additionally, a light converging unit is included to focus one of the split beams at a predetermined focal point, where the light-receiving element array is positioned to receive the concentrated beam. A controlling circuit regulates the output of the semiconductor laser array based on the light received by the array. Furthermore, an optical cross-talk suppressing unit minimizes interference between adjacent light-emitting sources.
Another notable patent is an optical recording apparatus that controls the optical power of laser beams. This apparatus features a laser diode array that produces multiple laser beams in response to a drive signal. It includes an optical system for scanning these beams onto a photosensitive surface, a beam-splitting unit for creating control laser beams, and a driver that operates each laser diode. An optical detection unit with photodetectors monitors the control laser beams, providing output signals to a control unit that adjusts the laser diodes' output for optimal performance.
Career Highlights
Susumu Imakawa is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of optical technologies. His work has significantly impacted the development of advanced optical devices, enhancing their functionality and efficiency.
Collaborations
Imakawa has collaborated with notable colleagues, including Yoshinobu Takeyama and Norio Michiie. Their combined expertise has contributed to the advancement of optical technologies within their field.
Conclusion
Susumu Imakawa's contributions to optical technologies through his innovative patents and collaborations highlight his role as a leading inventor in this domain. His work continues to influence the development of advanced optical devices, showcasing
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