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For the Inventor, By the Inventor

Tokyo, Japan

Yasunori Murata

This inventor holds 12 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1991-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunori Murata. Retrieved from https://idiyas.com/inventor/yasunori-murata

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

USPTO Granted Patents = 12

% Patents Active = 50.0

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 88(Granted Patents)


Location History:

  • Tokyo, JP (1991 - 2011)
  • Chofu, JP (2008 - 2011)

Company Filing History:

goldMedal12 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1991-2011

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12 patents (USPTO):Explore Patents
1. 7944552 - Method for displaying result of measurement of eccentricity (2011-05-17),
2. 7932952 - Light quantity adjusting device, optical system having the same, and image taking apparatus (2011-04-26),
3. 7511803 - Method for displaying result of measurement of eccentricity (2009-03-31),
4. 7440089 - Method of measuring decentering of lens (2008-10-21),
5. 7307708 - Eccentricity measuring method and eccentricity measuring apparatus (2007-12-11),
6. 7042662 - Light amount adjusting device, and optical device using the light amount adjusting device (2006-05-09),
7. 6867916 - Viewfinder optical system (2005-03-15),
8. 5784205 - Zoom lens (1998-07-21),
9. 5754346 - Zoom lens (1998-05-19),
10. 5739961 - Zoom lens (1998-04-14),
11. 5638216 - Zoom lens (1997-06-10),
12. 5056900 - Zoom lens (1991-10-15),

Title: Yasunori Murata: Innovator in Optical Systems

Introduction

Yasunori Murata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical systems, holding a total of 12 patents. His work focuses on enhancing the performance and functionality of optical devices, particularly in the areas of measurement and light adjustment.

Latest Patents

Among his latest patents is a method for displaying the result of measurement of eccentricity in an optical system. This innovative method allows for the display of the amount of eccentricity for each lens element's surface in a lens system. Additionally, it provides a magnified view of the eccentricity and includes a sectional view of the lens system using a scaling factor. Another notable patent involves a light quantity adjusting device, which addresses the deterioration of optical performance caused by minute phase differences in the transmission wave front of an ND filter. This device includes an ND filter for attenuating light passing through an aperture formed by diaphragm blades, ensuring that the phase difference between lights with a predetermined wavelength becomes substantially zero, one, or two wavelengths when the aperture is fully covered.

Career Highlights

Yasunori Murata is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to develop and refine technologies that are crucial for modern optical systems.

Collaborations

Throughout his career, Murata has collaborated with notable colleagues, including Akihisa Horiuchi and Hitoshi Mukaiya. These collaborations have contributed to the advancement of optical technologies and innovations.

Conclusion

Yasunori Murata's contributions to optical systems through his patents and work at Canon highlight his role as a key innovator in the field. His advancements continue to influence the development of optical technologies, showcasing the importance of innovation in this area.

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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