Company Filing History:

16 out of 604

Nippon Electric Glass Co., Ltd.

where one patent can have more than one assignee

Years Active: 2001-2022

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11365145 - Polarizing glass sheet set for optical isolator and method for manufacturing optical element for optical isolator (2022-06-21),

2. 10202298 - Polarizing glass plate and method for manufacturing same, polarizing glass plate set for optical isolator, and method for manufacturing optical element for optical isolator (2019-02-12),

3. 9611170 - Crystallized glass and method for manufacturing same (2017-04-04),

4. 8177439 - Capillary tube for holding an optical fiber (2012-05-15),

5. 7771129 - Ferrule holding member for an optical receptacle, method of manufacturing the same, and optical receptacle using the same (2010-08-10),

6. 7621673 - Capillary tube for holding optical fiber (2009-11-24),

7. 7616857 - Optical fiber array substrate (2009-11-10),

8. 7513696 - Optical receptacle (2009-04-07),

9. 7435011 - Substrate for optical fiber array and method for fabricating the same (2008-10-14),

10. 7406243 - Optical fiber array substrate and method for producing the same (2008-07-29),

11. 7391953 - Capillary tube for holding optical fiber and connecting structure for optical component (2008-06-24),

12. 7231115 - Optical collimator-use lens component, optical collimator, and method of assembling these (2007-06-12),

13. 7075740 - Prism and method for producing the same (2006-07-11),

14. 6779928 - Method for polishing end face of ferrule with optical fiber, method for assembling optical connector, and terminating kit for optical fiber (2004-08-24),

15. 6761490 - Capillary for optical fiber and ferrule for optical connector for reducing connection loss (2004-07-13),

Title: Hirokazu Takeuchi: Innovator in Optical Technology

Introduction

Hirokazu Takeuchi is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of optical technology, holding a total of 16 patents. His work primarily focuses on the development of advanced optical elements, particularly polarizing glass sheets.

Latest Patents

Takeuchi's latest patents include innovative methods for manufacturing optical elements for optical isolators. One notable patent describes a method of manufacturing a polarizing glass sheet that involves heating a glass preform sheet containing metal halide particles. This process allows for the down-drawing of the glass preform, resulting in a glass member with aligned metal halide particles dispersed within a glass matrix. The method also includes a reduction treatment to enhance the properties of the polarizing glass sheet.

Career Highlights

Throughout his career, Hirokazu Takeuchi has worked with notable companies such as Nippon Electric Glass Co., Ltd. and Toto Ltd. His expertise in optical technology has positioned him as a key figure in the industry, contributing to advancements that benefit various applications.

Collaborations

Takeuchi has collaborated with esteemed colleagues, including Nobuo Funabiki and Masanori Wada. These partnerships have fostered innovation and have led to the successful development of new optical technologies.

Conclusion

Hirokazu Takeuchi's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative methods for manufacturing polarizing glass sheets continue to influence advancements in optical applications.

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1 patent (EPO):

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