Location History:
- Tokyo, JP (2002 - 2009)
- Hamura, JP (2004 - 2011)
- Akishima, JP (2007 - 2011)
Company Filing History:
21 out of 5,225 
1 out of 832,843 Years Active: 2002-2011
Title: Etsuro Kawakami: Innovator in Projection and Optical Technology
Introduction
Etsuro Kawakami is a renowned inventor based in Akishima, Japan, recognized for his significant contributions to the field of optical technology. With a remarkable portfolio of 22 patents, Kawakami has dedicated his career to developing innovative devices that enhance the efficiency and clarity of image projection.
Latest Patents
Among his latest inventions are two notable patents: the Projector Unit and a Zoom Lens with Camera. The Projector Unit is designed to facilitate the design of lenses, offering a distortionless and clear image projection. This technology boasts a projection optical system where the optical axis of the projection lens does not coincide with the center of a rectangular image plane of an optical modulator, allowing for optimized image quality. The optical modulator is angled in such a way that the optical axis and the center of the modulator’s image plane intersect, truly elevating the projection experience.
Kawakami's Zoom Lens patent features a variable power ratio of 3, consisting of three lens element groups. The configuration includes a negative, positive, and negative arrangement, which provides flexibility in zooming capabilities. The design allows variable power to be achieved by shifting the positions of the first and second groups in the direction of the optical axis, further advancing lens technology.
Career Highlights
Throughout his career, Etsuro Kawakami has worked with notable companies, including Casio Computer Co., Ltd. His innovative work has been instrumental in pushing the technological boundaries in optics and projection. His advancements not only improve the overall quality of optical devices but also open avenues for future innovations in this domain.
Collaborations
Kawakami has collaborated with esteemed peers, such as Yasuyuki Tejima and Hiroshi Sato, contributing to a dynamic exchange of ideas and technological advancements. These collaborations have significantly influenced the optoelectronic field, fostering a culture of innovation and creativity.
Conclusion
Etsuro Kawakami's inventive journey exemplifies the spirit of innovation in technology. With his impressive record of patents and collaborative efforts, he continues to inspire future generations of inventors. His work in optical devices and projection units has set a high standard in the industry, ensuring that advancements in image clarity and technology continue to thrive.