Company Filing History:

18 out of 10,239

Sumitomo Electric Industries, Limited

patents

4 out of 5,289

Nippon Telegraph and Telephone Corporation

patents

where one patent can have more than one assignee

Years Active: 1994-2009

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7512307 - Method of making optical connector ferrule, die for making optical connector ferrule, optical connector ferrule made by this method, and optical connector and optical wiring system using the same (2009-03-31),

2. 7410303 - Method and metal mold for manufacturing optical connector ferrule, optical connector ferrule manufactured by using the method, and optical connector and optical wiring system using the ferrule (2008-08-12),

3. 7052187 - Optical connector ferrule, optical connector and making method for them (2006-05-30),

4. 6964525 - Optical connector and backplane assembly (2005-11-15),

5. 6719927 - Optical connector ferrule, mold therefor, method of manufacturing optical connector ferrule, and method of inspecting optical connector ferrule (2004-04-13),

6. 6676300 - Ferrule for optical connector and making method thereof (2004-01-13),

7. 6616343 - Multichannel ferrule for optical connector (2003-09-09),

8. 6478476 - Part for positioning optical fiber (2002-11-12),

9. 6340247 - Ferrule for optical connector, mold for ferrule, method of manufacturing ferrule for optical connector, and method of testing ferrule for optical connector (2002-01-22),

10. 6287017 - Optical connector ferrule, method of manufacturing the same, and optical connector using the same (2001-09-11),

11. 6074577 - Method of molding an optical connector ferrule (2000-06-13),

12. 6062740 - Optical connector and method of making the same (2000-05-16),

13. 5949937 - Optical connector (1999-09-07),

14. 5422971 - Optical fiber connector using adhesive (1995-06-06),

15. 5420952 - Optical connector employing two different types of adhesives (1995-05-30),

Title: Hiroshi Katsura: Innovator in Optical Connector Technology

Introduction

Hiroshi Katsura is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical connector technology, holding a total of 18 patents. His work has been instrumental in advancing the efficiency and functionality of optical connectors.

Latest Patents

Katsura's latest patents include innovative methods and devices related to optical connector ferrules. Notable patents are the "Method of making optical connector ferrule," "Die for making optical connector ferrule," and "Optical connector ferrule made by this method." These inventions focus on the design and manufacturing processes of optical connector ferrules, which are crucial for ensuring reliable optical connections. His patents also cover an optical connector and optical wiring system that utilizes these ferrules, showcasing his comprehensive approach to optical technology.

Career Highlights

Throughout his career, Hiroshi Katsura has worked with leading companies in the telecommunications and electronics sectors. He has been associated with Sumitomo Electric Industries, Limited and Nippon Telegraph and Telephone Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Katsura has collaborated with notable colleagues such as Toshiaki Kakii and Wataru Sakurai. These partnerships have contributed to the successful development of his patented technologies and have fostered a collaborative environment for innovation.

Conclusion

Hiroshi Katsura's contributions to optical connector technology have made a lasting impact on the industry. His numerous patents and collaborations reflect his dedication to innovation and excellence in his field. His work continues to influence the development of optical communication systems.

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