Naoto Doujou

This inventor holds 8 USPTO granted patents and 10 published patent applications and 1 EPO patent. Top assignee: Canon Kabushiki Kaisha. Active years: 2013-2026.

USPTO Granted Patents = 8 (Patent Applications = 10)

% Patents Active = 87.5

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 7(Granted Patents)

Location History:

Utsunomiya, JP (2013 - 2020)
Tochigi, JP (2024)

Company Filing History:

8 out of 92,842

Canon Kabushiki Kaisha

patents

Years Active: 2013-2026

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12546973 - Optical system, image pickup apparatus, in-vehicle system, and moving apparatus (2026-02-10),

2. 12405446 - Optical system and image pickup apparatus having the same (2025-09-02),

3. 12326615 - Optical system including negative lens and positive lens, imaging apparatus including the same, in-vehicle system including the same, and moving apparatus including the same (2025-06-10),

4. 12228708 - Optical system including cemented lenses, imaging apparatus including the same, and moving apparatus including the same (2025-02-18),

5. 12196926 - Optical system, image pickup apparatus, on-board system, and moving apparatus (2025-01-14),

6. 12044831 - Optical system having cemented lens including negative lens, image pickup apparatus, in-vehicle system, and moving apparatus (2024-07-23),

7. 10634872 - Optical system and image pickup apparatus including the same (2020-04-28),

8. 8427745 - Telescope (2013-04-23),

Title: Naoto Doujou: Innovator in Optical Systems

Introduction

Naoto Doujou is a prominent inventor based in Utsunomiya, Japan. He has made significant contributions to the field of optical systems and image processing. With a total of 8 patents to his name, Doujou's work has had a considerable impact on various technological advancements.

Latest Patents

Doujou's latest patents include innovative designs for optical systems and image pickup apparatuses. One of his notable inventions is a system that features an aperture diaphragm, a first lens with both positive and negative lenses, and a second lens that also includes positive and negative lenses. This system is designed to meet predetermined conditions for optimal performance. Another significant patent involves an optical system that images objects using light with a wavelength of 8 μm or higher. This invention includes a diaphragm and an optical element with an aspherical surface, which is strategically positioned to enhance imaging capabilities.

Career Highlights

Naoto Doujou is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical technologies. His work at Canon has allowed him to explore and develop cutting-edge optical systems that are utilized in various applications.

Collaborations

Throughout his career, Doujou has collaborated with notable colleagues such as Kazuhiko Kajiyama and Toru Matsuda. These collaborations have fostered a creative environment that has led to the development of innovative technologies in the field of optics.

Conclusion

Naoto Doujou's contributions to optical systems and image processing are noteworthy. His patents reflect a deep understanding of the complexities involved in imaging technologies. Doujou continues to be a significant figure in the field, driving innovation and excellence.