Tsunetoshi Saito

This inventor holds 23 USPTO granted patents and 8 published patent applications, plus 2 CIPO patents and 4 EPO patents, primarily in Optical Fiber Technology. Top assignees: The Furukawa Electric Co., Ltd., Fujitsu Corporation, Nippon Telegraph and Telephone Corporation. Active years: 2000-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsunetoshi Saito. Retrieved from https://idiyas.com/inventor/tsunetoshi-saito

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

USPTO Granted Patents = 23 (Patent Applications = 8)

% Patents Active = 69.6

CIPO Patents = 2

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 135(Granted Patents)

Location History:

Chiba, JP (2000)
Chyioda-ku, JP (2004)
Tokyo, JP (2002 - 2022)

Company Filing History:

23 out of 2,643

The Furukawa Electric Co., Ltd.

Nippon Telegraph and Telephone Corporation

patents

where one patent can have more than one assignee

Years Active: 2000-2022

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Areas of Expertise:

Optical Connector

Multi-Core Fiber

Optical Amplifier

Waveguide Grating

Optical Module

Fiber Bundle Structure

Wavelength Multiplexing

Connector Mechanism

Optical Light-Wave Device

Fiber Arrangement

Optical Circuit

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11333828 - Optical connection component (2022-05-17),

2. 10139574 - Multi-core connector, connector, and connector connection mechanism (2018-11-27),

3. 10012803 - Optical fiber bundle structure and optical fiber connection structure (2018-07-03),

4. 9829652 - Connector structure and connector connection structure (2017-11-28),

5. 9692201 - Optical-fiber-bundle structure, rare-earth-doped multi-core fiber, connection structure therefor, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier (2017-06-27),

6. 9658410 - Optical connector, method for aligning multi-core fiber with bundle structure, and fiber arrangement conversion member (2017-05-23),

7. 9541707 - Method for connecting multi-core fiber, multi-core fiber, and method for manufacturing multi-core fiber (2017-01-10),

8. 9225141 - Multi-core amplification optical fiber and multi-core optical fiber amplifier (2015-12-29),

9. 9158064 - Method for producing bundle structure including a plurality of optical fibers, method for connecting optical fibers, bundle terminal structure comprising capillary and optical fibers, and fiber connection structure comprising bundle terminal structure comprising capillary and optical fibers (2015-10-13),

10. 8920042 - Optical connector, optical fiber incorporating method, and electronic information equipment (2014-12-30),

11. 7010184 - Optical module (2006-03-07),

12. 6830384 - Optical fiber module (2004-12-14),

13. 6826332 - Arrayed waveguide grating and its method for correcting center wavelength (2004-11-30),

14. 6769817 - Optical fiber module (2004-08-03),

15. 6757453 - Optical waveguide module (2004-06-29),

Title: Tsunetoshi Saito - A Pioneer in Optical Innovations

Introduction

Tsunetoshi Saito, based in Tokyo, Japan, is an innovative inventor whose contributions to the field of optical technology have earned him a remarkable portfolio of 23 patents. His work has significantly advanced the performance and functionality of optical connection components, leading to enhancements in various telecommunications applications.

Latest Patents

Among his latest patents is an innovative optical connection component designed for improved optical coupling. This component features multiple types of optical fibers along with high relative refractive-index difference fibers, which are fusion spliced to improve performance. The component includes a fixing member with V-shaped grooves that secure the high relative refractive-index difference fibers and an optical element, ensuring precise alignment during operation.

Another notable patent pertains to a multi-core connector, which incorporates a ferrule with strategically placed holes for optical fibers. This design allows for optical fibers to be effectively held by an optical fiber holding member, leading to enhanced connection stability in multi-core applications.

Career Highlights

Tsunetoshi Saito has had a distinguished career, contributing his expertise to prominent companies such as the Furukawa Electric Co., Ltd. and Nippon Telegraph and Telephone Corporation. His work at these organizations has positioned him as a key player in the development of advanced optical technologies, setting new benchmarks in the industry.

Collaborations

Throughout his career, Tsunetoshi Saito has collaborated with esteemed colleagues, including Kengo Watanabe and Kazuhisa Kashihara. These partnerships have fostered the sharing of knowledge and expertise, leading to groundbreaking advancements in optical components.

Conclusion

With his extensive experience and innovative mindset, Tsunetoshi Saito continues to be a driving force in the optical technology sector. His numerous patents reflect his commitment to enhancing optical systems, making significant strides in the effectiveness of communication technologies. As developments in optical innovations continue to progress, Saito’s work will undoubtedly play a crucial role in shaping the future of this field.

Profile summary based on public USPTO records.