Kouji Tomikawa

This inventor holds 17 USPTO granted patents and 1 published patent application, plus 8 CIPO patents and 12 EPO patents, primarily in Optical Fiber Technology. Top assignees: Fujikura Limited, Nippon Telegraph and Telephone Corporation. Active years: 2013-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Tomikawa. Retrieved from https://idiyas.com/inventor/kouji-tomikawa

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

USPTO Granted Patents = 17 (Patent Applications = 1)

% Patents Active = 88.2

CIPO Patents = 8 (Patent Applications = 1)

EPO Patents = 12 (Patent Applications = 14)

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 20(Granted Patents)

Location History:

Tokyo, JP (2013)
Katsushika-ku, JP (2013 - 2016)
Sakura, JP (2017 - 2022)
Chiba, JP (2019 - 2022)

Company Filing History:

Nippon Telegraph and Telephone Corporation

patents

where one patent can have more than one assignee

Years Active: 2013-2022

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Areas of Expertise:

Optical Fiber Cable

Manufacturing Method

Inspection Device

Optical Ribbon

Optical Unit

Sheath Removal

Mid-Span Access

Intermittent Connection

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11262515 - Optical fiber cable and method for manufacturing optical fiber cable (2022-03-01),

2. 11221457 - Intermittent connection-type optical fiber ribbon, and method for manufacturing intermittent connection-type optical fiber ribbon (2022-01-11),

3. 11215780 - Optical fiber cable (2022-01-04),

4. 11199676 - Manufacturing method of optical fiber cable and manufacturing apparatus of optical fiber cable (2021-12-14),

5. 11181706 - Optical fiber cable (2021-11-23),

6. 11002928 - Optical fiber cable (2021-05-11),

7. 10884208 - Optical fiber cable (2021-01-05),

8. 10775581 - Optical cable and sheath removing method (2020-09-15),

9. 10746629 - Inspection device of optical fiber unit and method of manufacturing optical fiber unit (2020-08-18),

10. 10705305 - Optical fiber unit and optical fiber cable (2020-07-07),

11. 10705304 - Method for manufacturing intermittently-fixed optical fiber ribbon (2020-07-07),

12. 10670820 - Optical fiber unit and optical fiber cable (2020-06-02),

13. 10345516 - Optical fiber cable (2019-07-09),

14. 9618717 - Optical fiber unit, optical fiber branching method, and optical fiber cable (2017-04-11),

15. 9261664 - Optical fiber cable (2016-02-16),

Title: Kouji Tomikawa: Innovator in Optical Cable Technology.

Introduction

Kouji Tomikawa is a notable inventor based in Japan, recognized for his contributions to optical cable technology. His innovative approach aims to simplify the process of withdrawing optical fibers from cables, addressing a common challenge in the industry.

Latest Patents

Tomikawa's most significant patent is the Optical Cable and Sheath Removing Method. This invention provides a novel optical cable design that allows for the easy withdrawal of optical fibers. The optical cable features an optical fiber unit surrounded by a press-winding tape, with at least three tension members positioned at intervals around the unit. The outer skin of the cable covers both the optical fiber unit and the tension members, enhancing the overall functionality of the cable.

Career Highlights

Throughout his career, Kouji Tomikawa has focused on developing practical solutions for optical cable applications. His work has contributed to advancements in the telecommunications industry, particularly in improving the efficiency of fiber optic installations.

Collaborations

Tomikawa has collaborated with talented individuals such as Shinnosuke Sato and Mizuki Isaji, who have supported his innovative endeavors in optical technology.

Conclusion

Kouji Tomikawa's work in optical cable technology exemplifies the importance of innovation in addressing industry challenges. His contributions continue to influence the field and pave the way for future advancements.

Profile summary based on public USPTO records.