Introduction: Koji Shiokawa, an accomplished inventor based in Azumino, Japan, has made remarkable contributions to the field of optical systems and projection technology. With a total of 14 patents to his name, his work reflects a dedication to innovation and advancement in his industry.

Latest Patents: One of Shiokawa's latest patents pertains to an advanced optical system and projector. This sophisticated optical system comprises a first lens with negative refractive power, a stop, several positive and negative refractive lenses, and specific arrangements that enhance its performance. One notable feature is the bonding of the third and fourth lenses into a doublet, which contributes to its negative refractive power. Among the lenses, one is made of plastic with aspherical surfaces, while the other is crafted from glass. Another of his significant patents focuses on a complete projection system that integrates multiple optical systems, with detailed specifications that ensure high-quality image rendering.

Career Highlights: Koji Shiokawa has spent a significant portion of his professional life at Seiko Epson Corporation, where he has utilized his expertise to foster developments in projection technology. His extensive portfolio of patents underscores his innovative spirit and technical abilities, which play a key role in advancing the corporation's research and development initiatives.

Collaborations: Throughout his career, Shiokawa has collaborated with notable colleagues such as Nobutaka Minefuji and Hitoshi Hirano. These partnerships have facilitated the sharing of ideas and expertise, enhancing the overall innovative output at Seiko Epson Corporation.

Conclusion: Koji Shiokawa's journey as an inventor showcases his commitment to innovation in optical systems. His impressive array of patents not only highlights his technical acumen but also illustrates his contributions to enhancing projection technologies. As he continues to work with esteemed colleagues at Seiko Epson Corporation, the potential for future advancements remains promising.

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