Company Filing History:

21 out of 2,528

Hoya Corporation

Asahi Kogaku Kogyo Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1998-2023

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44 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11656456 - Optical element and optical apparatus (2023-05-23),

2. 9097882 - Zoom lens system (2015-08-04),

3. 8830358 - High zoom-ratio zoom lens system and electronic imaging apparatus using the same (2014-09-09),

4. 8730586 - Zoom lens system and electronic imaging apparatus provided with the same (2014-05-20),

5. 8699146 - Zoom lens system (2014-04-15),

6. 8675278 - High zoom-ratio zoom lens system (2014-03-18),

7. 8670184 - Zoom lens system and electronic imaging apparatus provided with the same (2014-03-11),

8. 8553328 - Zoom lens system (2013-10-08),

9. 8531768 - Zoom lens system (2013-09-10),

10. 8264780 - High zoom-ratio zoom lens system (2012-09-11),

11. 8248708 - Zoom lens system and electronic imaging apparatus that uses the same (2012-08-21),

12. 8243371 - High zoom-ratio zoom lens system (2012-08-14),

13. 8174774 - Zoom lens system (2012-05-08),

14. 8169720 - Rear focus wide-angle lens system and electronic imaging device using the same (2012-05-01),

15. 7957071 - Focus adjustment method of zoom lens system (2011-06-07),

Hello! I'm glad to assist you with the article about the renowned inventor Masaru Eguchi.

Title: The Innovations of Masaru Eguchi: A Visionary in Optics

Introduction: Masaru Eguchi, a prolific inventor based in Saitama, JP, has made significant contributions to the field of optics with an impressive portfolio of 44 patents.

Latest Patents:

1. Optical Element and Optical Apparatus: Eguchi's latest patent showcases an innovative optical element featuring a colored layer inside a glass body. This colored layer effectively reduces stray light, ensuring superior image quality.

2. Zoom Lens System: Eguchi's zoom lens system comprises distinct lens groups that adjust seamlessly during zooming for enhanced performance.

Career Highlights: Eguchi has left a lasting impact through his work at esteemed companies like Hoya Corporation and Pentax Corporation. His expertise in optical innovations has garnered him recognition in the industry.

Collaborations: Eguchi has collaborated with accomplished professionals in the field, including Koichi Furusawa and Shinsuke Okada, further enhancing the depth of his inventions and patents.

Conclusion: Masaru Eguchi's dedication to pioneering advancements in optics shines through his patent portfolio. His inventive spirit and collaborative efforts continue to inspire the next generation of innovators in the field.

I hope this article provides a comprehensive overview of Masaru Eguchi's remarkable achievements in the realm of optics! If you need more information or have any specific requests, feel free to let me know.

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