Chiba, Japan

Kenji Fujita

This inventor holds 35 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents, primarily in Electronic Devices. Top assignees: Citizen Watch Company, Ltd., Sumitomo Heavy Industries, Ltd., Fuji Electric Co., Ltd.. Active years: 1981-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Fujita. Retrieved from https://idiyas.com/inventor/kenji-fujita

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

USPTO Granted Patents = 35 

% Patents Active = 85.7

 


Average Co-Inventor Count = 2.5

ph-index = 9

Forward Citations = 208(Granted Patents)


Location History:

  • Tanashi, JP (1999)
  • Saitama, JP (1991 - 2000)
  • Sayama, JP (1999 - 2006)
  • Yokosuka, JP (1981 - 2014)
  • Chiba, JP (2000 - 2021)
  • Tokyo, JP (1998 - 2022)
  • Kanagawa, JP (2012 - 2022)

Company Filing History:


Years Active: 1981-2024

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Areas of Expertise:
Mobile Terminal
Electronic Timepiece
Power Supply
Display Method
Control Method
Safety Device
Injection Molding
Glucokinase Activator
Catalyst
Rechargeable Apparatus
Coke Oven Cleaning
Phase Shifter
35 patents (USPTO):Explore Patents

Title: Kenji Fujita: Innovator and Patent Holder from Chiba, Japan

Introduction

Kenji Fujita, an accomplished inventor based in Chiba, Japan, has made significant contributions to technological advancements, amassing a total of 32 patents. His work spans various fields, showcasing both his ingenuity and dedication to innovation.

Latest Patents

Among his recent innovations, Kenji Fujita developed a monitoring apparatus and method designed to enhance railway vehicle safety. This monitoring system utilizes sensing circuitry to detect the locked or released state of railway doors, effectively determining operational abnormalities when discrepancies arise between the sensed outputs and the positional data of the doors. Another notable invention is a vehicle storage device featuring a unique protrusion integrated with a hinge's shaft mechanism, which restricts the movement of components during operation. This invention ensures proper engagement and stabilizes the system at crucial junctions.

Career Highlights

Kenji Fujita has worked for renowned companies like Citizen Watch Company, Ltd. and Sumitomo Heavy Industries, Ltd. Through his experience in these prominent organizations, he has honed his skills in engineering and innovation, leading to the successful development of various patents.

Collaborations

Throughout his career, Fujita has collaborated with talented professionals including Masahiro Sase and Kiyotaka Igarashi. Working alongside these experts has allowed him to exchange ideas and enhance the quality of his inventions.

Conclusion

Kenji Fujita's relentless pursuit of innovation has significantly impacted the engineering landscape, with his 32 patents reflecting his expertise and creative problem-solving ability. As he continues to develop new technologies, his contributions will undoubtedly influence future advancements in the field.

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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