Nobuhiro Akasaka

This inventor holds 22 USPTO granted patents, primarily in Optical Fiber Technology. Top assignees: Sumitomo Electric Industries, Limited, Nippon Telegraph and Telephone Corporation. Active years: 1988-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Akasaka. Retrieved from https://idiyas.com/inventor/nobuhiro-akasaka

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

Calculating rank

USPTO Granted Patents = 22

% Patents Active = 90.9

Average Co-Inventor Count = 3.3

ph-index = 10

Forward Citations = 301(Granted Patents)

Location History:

Yakohama, JP (1999)
Yokohama, JP (1991 - 2005)
Kanagawa, JP (1988 - 2006)

Company Filing History:

22 out of 10,652

Sumitomo Electric Industries, Limited

patents

2 out of 5,300

Nippon Telegraph and Telephone Corporation

patents

where one patent can have more than one assignee

Years Active: 1988-2006

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Areas of Expertise:

Communication Cable

Optical Fiber Cable

Coated Optical Fiber

Waveguide

Manufacturing Method

Resin Composite

Light Transmitting Glass Fiber

Waterproof Cable

Physical Property Evaluation

Reinforcing Member

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7064276 - Communication cable, and communication wire protecting tube (2006-06-20),

2. 6841729 - Self-supporting cable and manufacturing method therefor (2005-01-11),

3. 6690872 - Silica based optical waveguide and production method therefor (2004-02-10),

4. 6654527 - Optical fiber cable (2003-11-25),

5. 6507680 - Planar lightwave circuit module (2003-01-14),

6. 6181859 - Coated optical fiber and method of making the same (2001-01-30),

7. 6173102 - Coated optical fiber and its manufacturing method (2001-01-09),

8. 6004675 - Optical glass fiber (1999-12-21),

9. 5835656 - Coated optical fiber (1998-11-10),

10. 5703988 - Coated optical fiber and fabrication process therefor (1997-12-30),

11. 5644669 - Physical property evaluation method for optical fiber coating, and (1997-07-01),

12. 5621838 - Resins for coated optical fiber units (1997-04-15),

13. 5524164 - Coated tape form optical fiber wire (1996-06-04),

14. 5446821 - Coated optical fiber (1995-08-29),

15. 5422182 - Light transmitting glass fiber (1995-06-06),

Title: Nobuhiro Akasaka: Innovating Communication Technology

Introduction

Nobuhiro Akasaka, located in Kanagawa, Japan, is a distinguished inventor with a remarkable portfolio of 22 patents, focusing primarily on advancements in communication technology. His innovative contributions are instrumental in enhancing the functionality and durability of communication cables.

Latest Patents

Akasaka's latest patents include a communication cable and a communication wire protecting tube. The communication cable features an armor comprising at least two synthetic resin layers that cradle the communication wire in a loose state, preventing damage. It incorporates an outermost layer made from a softer resin than the hard resin layer, along with a unique annular groove or cut portion designed to maintain a specified bend radius. His self-supporting cable patent describes a main cable that integrates a cable core with an inner cover layer, accompanied by strength members arranged in a plane. This design ensures durability and allows for a parallel arrangement with a support member, enhancing the overall structural integrity of the cable.

Career Highlights

Throughout his career, Nobuhiro Akasaka has been affiliated with prominent organizations such as Sumitomo Electric Industries, Limited and Nippon Telegraph and Telephone Corporation. His work in these companies has significantly propelled the development of innovative communication technologies.

Collaborations

In his journey, Akasaka has collaborated with notable colleagues, including Yasuo Matsuda and Tatsuya Kakuta. Their joint efforts have contributed to advancing the field of communication technology.

Conclusion

Nobuhiro Akasaka has made substantial contributions through his inventive spirit and dedication to innovation in communication technology. His patents not only showcase his expertise but also serve as a foundation for future advancements in the industry.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]