Company Filing History:

34 out of 10,250

Sumitomo Electric Industries, Limited

patents

1 out of 5,290

Nippon Telegraph and Telephone Corporation

where one patent can have more than one assignee

Years Active: 1987-2009

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34 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7535628 - Laser light source, method of laser oscillation, and method of laser processing (2009-05-19),

2. 7170674 - Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module (2007-01-30),

3. 7016582 - Polarized wave holding optical fiber, and method of producing the same (2006-03-21),

4. 6928840 - Optical fiber producing method (2005-08-16),

5. 6907757 - Drawing method of optical fiber and drawing furnace (2005-06-21),

6. 6810692 - Method of controlling an upper portion of an optical fiber draw furnace (2004-11-02),

7. 6735983 - Optical fiber drawing method and drawing furnace (2004-05-18),

8. 6668592 - Optical fiber drawing furnace having adjustable partitions (2003-12-30),

9. 6576058 - Optical fiber coating method and coating apparatus (2003-06-10),

10. 6546760 - Optical fiber drawing furnace with a zig zag heating element (2003-04-15),

11. 6543256 - Optical fiber coupler making apparatus made from zirconia and method (2003-04-08),

12. 6530243 - Method of making an optical fiber with an improved UV-curable resin (2003-03-11),

13. 6400878 - Optical fiber and method of making the same (2002-06-04),

14. 6399158 - Method and apparatus for curing ultraviolet-curing resin (2002-06-04),

15. 6333071 - Method and apparatus for producing optical fiber ribbons (2001-12-25),

Title: Ichiro Tsuchiya: Innovator in Laser Technologies

Introduction

Ichiro Tsuchiya, based in Yokohama, Japan, is a renowned inventor with an impressive portfolio of 34 patents. His contributions primarily focus on advancements in laser technologies that have significant implications for various industrial applications.

Latest Patents

Tsuchiya's latest patents include innovative works such as a laser light source, method of laser oscillation, and method of laser processing. The laser light source is designed to output pulse laser light with an identical repetition frequency, enhanced through an optical amplification section that ensures optimal performance. Furthermore, his design incorporates an optical demultiplexing section, multiplexing section, and an optical path length difference setting section that collectively improve the efficiency and effectiveness of laser application. Another significant invention is the fluorescent glass, which includes at least 50 mol % of specific oxides as glass constituents and is doped with Bi ions, aiming to enhance optical performance in amplifiers.

Career Highlights

Throughout his career, Tsuchiya has worked with notable companies including Sumitomo Electric Industries, Limited and Nippon Telegraph and Telephone Corporation. His work in these companies has facilitated groundbreaking developments in telecommunications and optical technologies, solidifying his reputation as a leader in the field.

Collaborations

Collaboration has played a crucial role in Tsuchiya's achievements. Working alongside talented professionals such as Shinji Ishikawa and Katsuya Nagayama, he has been able to refine his innovations and bring impactful technologies to market. Their combined expertise has enabled extensive research and development in laser technologies.

Conclusion

Ichiro Tsuchiya remains a prominent figure in the field of laser technology innovation. His multiple patents reflect his dedication to advancing technology and improving practical applications across various industries. As he continues to contribute to the field, his work will undoubtedly influence future developments in technology and innovation.

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