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For the Inventor, By the Inventor

Utsunomiya, Japan

Reona Ushigome

This inventor holds 21 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Optical Systems. Top assignee: Canon Kabushiki Kaisha. Active years: 2008-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Reona Ushigome. Retrieved from https://idiyas.com/inventor/reona-ushigome

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

USPTO Granted Patents = 21 

% Patents Active = 14.3


Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 32(Granted Patents)


Location History:

  • Utsonomiya, JP (2014)
  • Utsunomiya, JP (2008 - 2016)
  • Saitama, JP (2018 - 2020)

Company Filing History:

goldMedal21 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 2008-2020

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Areas of Expertise:
Diffractive Optical Element
Optical System
Imaging Apparatus
Variable Transmittance Element
Polarization Beam Splitter
Image Projection Apparatus
Electrochromic Material
Wavelength-Selective Polarization Conversion
21 patents (USPTO):Explore Patents
1. 10670875 - Diffractive optical element, optical system including diffractive optical element, imaging apparatus, and lens device (2020-06-02),
2. 10133084 - Diffractive optical element, optical system, and optical apparatus which reduce generation of unnecessary light (2018-11-20),
3. 9285518 - Diffractive optical element, optical system, and optical apparatus (2016-03-15),
4. 8941923 - Diffractive optical element, optical system, and optical apparatus (2015-01-27),
5. 8902504 - Diffractive optical element having a reflective member disposed between different grating wall surfaces thereof, and optical system and optical apparatus having the diffractive optical element (2014-12-02),
6. 8755119 - Diffractive optical element, optical system and optical apparatus (2014-06-17),
7. 8730554 - Variable transmittance element, optical system, and optical apparatus utilizing electrochromic material (2014-05-20),
8. 8681424 - Diffractive optical element containing grating surface and grating wall surface, and optical system having the same (2014-03-25),
9. 8605358 - Diffractive optical element, optical system, and optical apparatus (2013-12-10),
10. 8520304 - Diffractive optical element and optical system including the same (2013-08-27),
11. 8336333 - Diffractive optical element and optical system using the same (2012-12-25),
12. 8333476 - Image projection apparatus and image display system (2012-12-18),
13. 8279526 - Optical system and image pickup apparatus having same (2012-10-02),
14. 8120852 - Diffractive optical element, optical system, and optical apparatus (2012-02-21),
15. 8064134 - Optical element and image projection apparatus (2011-11-22),

Title: Reona Ushigome: Innovator in Optical Technologies

Introduction

Reona Ushigome, based in Utsunomiya, Japan, is a prolific inventor known for his significant contributions to the field of optical technologies. With an impressive portfolio of 21 patents, Ushigome has made notable advancements in optical systems and devices, particularly in the realm of diffractive optics.

Latest Patents

Ushigome's most recent patents focus on innovative diffractive optical elements and systems. One of his patents describes a diffractive optical element that includes multiple diffraction gratings and films positioned between them. This element is designed to optimize optical performance by controlling the average refractive index at a wavelength of 550 nm. Another of his groundbreaking patents introduces a method to reduce unnecessary light generation in optical systems, incorporating thin films with specific extinction coefficients and refractive indices to enhance functionality within designated wavelength bands.

Career Highlights

Reona Ushigome is currently affiliated with Canon, a renowned company in the imaging technology sector. He has dedicated his career to advancing optical technologies and is recognized for his innovative approaches to designing optical elements and systems that improve image quality and performance.

Collaborations

Throughout his career, Ushigome has collaborated with esteemed colleagues such as Kazuhiko Momoki and Yu Yamauchi. Together, they have contributed to several critical projects and innovations, reflecting a strong team effort in pushing the boundaries of optical technology.

Conclusion

Reona Ushigome stands out as a key figure in the realm of optics, with a proven track record of patents and innovations that continue to influence the industry. His work at Canon and collaborations with fellow inventors exemplify his commitment to advancing optical technologies and enhancing imaging systems for various applications.

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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