Kasukabe, Japan

Atsushi Sekine

This inventor holds 18 USPTO granted patents and 1 EPO patent, primarily in Projection Technology. Top assignees: Nikon Corporation, Kabushiki Kaisha Toshiba, Mitsubishi Denki Kabushiki Kaisha. Active years: 1991-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Sekine. Retrieved from https://idiyas.com/inventor/atsushi-sekine-9y22j8jb

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 94.4


Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 190(Granted Patents)


Location History:

  • Kusakabe, JP (2002)
  • Saitama, JP (2000 - 2003)
  • Tokyo, JP (2018)
  • Kasukabe, JP (1991 - 2021)

Company Filing History:


Years Active: 1991-2021

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Areas of Expertise:
Ocular Optical System
Lens Group
Head-Mounted Display
Needle Hub
Projection Type Display
Polarizing Device
Projecting Lens
Display Apparatus
High-Efficiency Polarizing Arrangement
Divergent Chief Rays
Projection Displays
18 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Atsushi Sekine

Introduction

Atsushi Sekine is a prominent inventor based in Kasukabe, Japan. He has made significant contributions to the field of optical systems, holding a total of 18 patents. His work has been instrumental in advancing technologies related to head-mounted displays and ocular optical systems.

Latest Patents

One of his latest patents is an ocular optical system that includes a lens group featuring a cemented lens and a head-mounted display utilizing this technology. This ocular optical system comprises, in order from an eye point, a first lens group with positive refractive power and a second lens group also with positive refractive power. The second lens group includes a cemented lens that has two optical members cemented together. Notably, the cemented surface of this lens is a diffraction optical surface that configures a diffraction grating. Additionally, the lens surface on one side of the first lens group is a first Fresnel surface, while the lens surface on one side of the cemented lens in the second lens group is a second Fresnel surface.

Career Highlights

Throughout his career, Atsushi Sekine has worked with notable companies such as Nikon Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Atsushi has collaborated with esteemed colleagues, including Tetsuo Hattori and Masaaki Kusano. Their combined expertise has contributed to the successful development of various optical systems and technologies.

Conclusion

Atsushi Sekine's contributions to the field of optical systems are noteworthy and impactful. His innovative patents and collaborations with leading companies and professionals highlight his significant role in advancing technology. His work continues to influence the development of modern optical devices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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