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For the Inventor, By the Inventor

Tokyo, Japan

Akira Fujisaki

This inventor holds 15 USPTO granted patents and 2 published patent applications. Top assignees: The Furukawa Electric Co., Ltd., The Tokyo Electric Power Company, Incorporated, Fitel USA Corporation. Active years: 1992-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Fujisaki. Retrieved from https://idiyas.com/inventor/akira-fujisaki

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

USPTO Granted Patents = 15 

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 163(Granted Patents)


Location History:

  • Ichihara, JP (1992)
  • Ichibawa, JP (1993)
  • Ichikawa, JP (1994 - 1995)
  • Chiyoda-Ku, JP (2004)
  • Tokyo, JP (1994 - 2021)

Company Filing History:

goldMedal14 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
silverMedal2 out of 177 
 
The Tokyo Electric Power Company, Incorporated
 patents
bronzeMedal1 out of 218 
 
Fitel USA Corporation
 patents
4. 1 out of 2,817 
 
Komatsu Corporation
 patents
where one patent can have more than one assignee

Years Active: 1992-2021

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15 patents (USPTO):Explore Patents
1. 11171462 - Fiber laser apparatus (2021-11-09),
2. 10141708 - Fiber laser apparatus and method of aligning laser light irradiation position (2018-11-27),
3. 9343865 - Laser device (2016-05-17),
4. 9190802 - Optical fiber laser equipment (2015-11-17),
5. 8811434 - Fiber laser apparatus and method of detecting failure of fiber laser apparatus (2014-08-19),
6. 8064742 - Light input/output terminal module of the optical components and beam converting apparatus (2011-11-22),
7. 6768577 - TUNABLE MULTIMODE LASER DIODE MODULE, TUNABLE MULTIMODE WAVELENGTH DIVISION MULTIPLEX RAMAN PUMP, AND AMPLIFIER, AND A SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR CONTROLLING TUNABLE MULTIMODE LASER DIODES, RAMAN PUMPS, AND RAMAN AMPLIFIERS (2004-07-27),
8. 5883736 - Er-doped optical fiber amplifier (1999-03-16),
9. 5576871 - Method for optical communications (1996-11-19),
10. 5457998 - Method of detecting an optical transmission line (1995-10-17),
11. 5379357 - Method and apparatus for polarized optical telecommunications using (1995-01-03),
12. 5331392 - Method of identifying an optical cable (1994-07-19),
13. 5329348 - Method of identifying a particular optical cable out of a number of (1994-07-12),
14. 5202746 - Method and apparatus for identifying an optical transmission medium (1993-04-13),
15. 5170449 - Converting device using an optical fiber (1992-12-08),

Title: Akira Fujisaki: Innovator in Fiber Laser Technology

Introduction

Akira Fujisaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of fiber laser technology, holding a total of 15 patents. His innovative work has paved the way for advancements in laser applications.

Latest Patents

Fujisaki's latest patents include a fiber laser apparatus that generates invisible laser light using an amplification optical fiber. This apparatus features a core that propagates both a fundamental mode and a low-order mode. It includes a visible laser light source that generates visible laser light, an introducing section for integrating this light into the core of the amplification optical fiber, and a cladding light attenuating section that reduces light propagation through the cladding. Additionally, he has developed a method for aligning the laser light irradiation position with respect to a workpiece, enhancing the precision of laser applications.

Career Highlights

Throughout his career, Fujisaki has worked with notable companies such as Furukawa Electric Co., Ltd. and Tokyo Electric Power Company. His experience in these organizations has contributed to his expertise in fiber laser technology and innovation.

Collaborations

Fujisaki has collaborated with several talented individuals in his field, including Yoshihiro Emori and Shintaro Sentsui. Their combined efforts have led to advancements in laser technology and applications.

Conclusion

Akira Fujisaki's contributions to fiber laser technology and his impressive portfolio of patents highlight his role as a leading inventor in this field. His work continues to influence advancements in laser applications and technology.

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]
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