Kawasaki, Japan

Yoshifumi Kajiwara

This inventor holds 24 USPTO granted patents and 13 published patent applications and 2 EPO patents, primarily in Electronic Devices. Top assignee: Fujitsu Corporation. Active years: 2008-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Kajiwara. Retrieved from https://idiyas.com/inventor/yoshifumi-kajiwara

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

Calculating rank
USPTO Granted Patents = 24 

% Patents Active = 20.8

 

Average Co-Inventor Count = 6.6

ph-index = 5

Forward Citations = 75(Granted Patents)


Location History:

  • Kawasaki, JP (2010 - 2015)
  • Sapporo, JP (2008 - 2018)

Company Filing History:


Years Active: 2008-2018

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Areas of Expertise:
Electronic Device
Portable Terminal
Mobile Terminal
Water Inhibitor
Illuminating Device
Fingerprint Sensor
Camera Module
Translucent Member
Enclosure Assembly
Manufacturing Method
Information Terminal
Electronic Apparatus
24 patents (USPTO):Explore Patents

Title: Innovations of Yoshifumi Kajiwara: A Pioneer in Electronic Devices

Introduction

Yoshifumi Kajiwara, based in Kawasaki, Japan, is a notable inventor with 24 patents to his name. His work primarily focuses on electronic devices, reflecting a commitment to enhancing user experience through innovative engineering. Kajiwara is currently affiliated with Fujitsu Corporation, a leader in technology and computing solutions.

Latest Patents

Among his latest contributions, Kajiwara has developed two significant electronic device patents. The first patent features an electronic device equipped with a touch panel that utilizes first and second elastic members. These members are designed to contact a level surface and prevent the device from slipping, maintaining stability under various angles. This innovative approach ensures that the electronic device can remain secure when placed either upright or leaning against a wall.

His second patent outlines a sophisticated electronic device that includes an enclosure with an opening, a switch, and a key top member. This design incorporates a water sealing member that effectively protects the device's internal components while supporting the key top member. The innovative sealing mechanism extends vertically, aligning with the opening, thereby enhancing durability and performance.

Career Highlights

Kajiwara's career at Fujitsu Corporation has been marked by a series of pivotal inventions that greatly contribute to the field of electronics. His ability to integrate advanced materials and designs showcases his expertise and deep understanding of user needs in technology.

Collaborations

Throughout his career, Kajiwara has collaborated with talented colleagues such as Hiroshi Kubo and Hiroyuki Takita. These partnerships have fostered an environment of creativity, allowing for the exchange of ideas and the development of cutting-edge technology. Their combined efforts have resulted in innovative solutions that continue to shape the industry.

Conclusion

Yoshifumi Kajiwara stands out as a leading inventor in electronic devices, with a focus on creating solutions that prioritize functionality and user satisfaction. His contributions, particularly in the realm of electronic device stability and protection, not only enhance user experiences but also pave the way for future innovations in 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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