logo

For the Inventor, By the Inventor

Yokohama, Japan

Akihiko Hayashi

This inventor holds 5 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1999-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiko Hayashi. Retrieved from https://idiyas.com/inventor/akihiko-hayashi-1oe0linp

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 40.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 43(Granted Patents)


Location History:

  • Yokohama, JP (1999 - 2008)
  • Kawasaki, JP (2010)

Company Filing History:

goldMedal5 out of 39,381 
 
Fujitsu Corporation
 patents

Years Active: 1999-2010

Loading Chart...
5 patents (USPTO):Explore Patents
1. 7648289 - Module having a handle to be operated to attach the module to a cage (2010-01-19),
2. 7421211 - Light source device (2008-09-02),
3. 6658213 - Modulation controlling circuit (2003-12-02),
4. 6014392 - Drive circuit for electro-absorption modulator and optical transmitter (2000-01-11),
5. 5900621 - Light transmitter having an automatic bias control circuit (1999-05-04),

Title: Akihiko Hayashi: Innovator in Module and Light Source Technology

Introduction

Akihiko Hayashi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to technology, particularly in the fields of modular systems and light source devices. With a total of 5 patents to his name, Hayashi continues to push the boundaries of innovation.

Latest Patents

Hayashi's latest patents include a module designed to be attached to a cage. This module features a handle that can rotate between an accommodated position, where it is mounted to the cage, and a withdrawal position, allowing for easy removal. A resiliently-bendable tongue piece facilitates the engagement and disengagement between the module and the cage. Additionally, a light source device developed by Hayashi incorporates a continuous wave (CW) light source that emits first direct current (DC) light. This device also includes a level converter and a mixer for optimal performance.

Career Highlights

Hayashi is currently employed at Fujitsu Corporation, where he applies his expertise in developing innovative technologies. His work has garnered attention for its practicality and efficiency, contributing to advancements in the industry.

Collaborations

Hayashi collaborates with talented coworkers, including Yasunori Nagakubo and Kensuke Matsui. Their combined efforts enhance the innovative capabilities within their projects.

Conclusion

Akihiko Hayashi stands out as a key figure in the realm of technology innovation. His contributions through patents and collaborative efforts continue to shape the future of modular and light source technologies.

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]
Loading…