Naoki Katagiyama

This inventor holds 57 USPTO granted patents and 1 published patent application, plus 9 CIPO patents and 3 EPO patents, primarily in Optical Connectors (CPC class G02B). Top assignees: Japan Aviation Electronics Industry, Limited, Hitachi Metals, Ltd., Japan Aviation Industry, Limited. Active years: 2009-2026.

USPTO Granted Patents = 57 (Patent Applications = 1)

% Patents Active = 75.4

CIPO Patents = 9

EPO Patents = 3 (Patent Applications = 2)

Average Co-Inventor Count = 2.6

ph-index = 13

Forward Citations = 482(Granted Patents)

Forward Citations (Not Self Cited) = 394(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

56 out of 2,256

Japan Aviation Electronics Industry, Limited

Japan Aviation Industry, Limited

where one patent can have more than one assignee

Years Active: 2009-2026

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Areas of Expertise:

Optical Connector

Plug Connector

Receptacle

Connector Housing

Adapter

Dust Cap

Positioning Tool

Electrical-Optical Hybrid

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12546961 - Plug connector (2026-02-10),

2. D1104981 - Optical connector (2025-12-09),

3. D1076811 - Optical connector (2025-05-27),

4. D1041419 - Plug for optical connector (2024-09-10),

5. 10992085 - Receptacle (2021-04-27),

6. D870669 - Connector housing (2019-12-24),

7. 10320121 - Connector-incorporating plug (2019-06-11),

8. 10067300 - Connector-equipped plug (2018-09-04),

9. D825488 - Cap for optical connector (2018-08-14),

10. 10036862 - Connector (2018-07-31),

11. 10018793 - Connector (2018-07-10),

12. 10003154 - Dust cap having a housing with a cantilever beam secured to a shell of a receptacle by a coupling member (2018-06-19),

13. 10001604 - Connector-incorporating plug (2018-06-19),

14. D812014 - Ring for holding the connections of the connectors (2018-03-06),

15. 9904019 - Optical-connector-incorporating plug (2018-02-27),

Title: Naoki Katagiyama - Innovative Inventor from Tokyo

Introduction: Naoki Katagiyama is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Naoki Katagiyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the industry, Naoki Katagiyama has worked with leading tech companies in Japan, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Naoki Katagiyama has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing in the tech community.

Conclusion: Naoki Katagiyama's passion for pushing the boundaries of what is possible through innovation continues to inspire the next generation of inventors and tech enthusiasts worldwide.