Saitama, Japan

Hiroyuki Fujitsuka

This inventor holds 27 USPTO granted patents and 12 EPO patents, primarily in Electronic Positioning Devices. Top assignee: Wacom Co., Ltd.. Active years: 2004-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Fujitsuka. Retrieved from https://idiyas.com/inventor/hiroyuki-fujitsuka

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

Calculating rank

% Patents Active = 70.4

 

Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 321(Granted Patents)


Location History:

  • Washimiya-Machi, JP (2005)
  • Saitama-ken, JP (2004 - 2014)
  • Kitakatsushika-gun, JP (2010 - 2014)
  • Kuki, JP (2014)
  • Saitama, JP (2013 - 2022)

Company Filing History:


Years Active: 2004-2022

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Areas of Expertise:
Electronic Pen
Position Indicator
Variable Capacitor
Coordinate Input Device
Position Pointer
Input Device
Hand-Held Electronic Appliance
Writing Instrument
Circuit Component
Pen-Type Coordinate Indicator
Position Detecting Device
Variable Capacity Condenser
27 patents (USPTO):Explore Patents

Meet Hiroyuki Fujitsuka, a prolific Japanese inventor based in Saitama, JP. With an impressive number of 26 patents to his name, Fujitsuka has made significant contributions to the field of electronic pens and related technology.

One of his recent patents involves an innovative electronic pen and cartridge system. The pen comprises a tubular casing, with two coupling members that are joined together within the casing in an axial direction. These coupling members are interlocked, forming a welded portion that securely attaches them to each other. The first coupling member is connected to a core, while the second coupling member holds a printed circuit board. Notably, the core of the core-side component is made of a conductive material. The second coupling member features a conductor responsible for transmitting signals from a circuit on the printed circuit board to the core using a battery. This design ensures seamless functionality and reliable performance of the electronic pen.

Fujitsuka's exceptional work is carried out under the esteemed Wacom Corporation Limited. Wacom, renowned for its expertise in digital artistry, has provided a platform for talented innovators like Fujitsuka to thrive. Collaborating with a team of skilled individuals, including his coworkers Yasuyuki Fukushima and Takenori Kaneda, Fujitsuka continues to push the boundaries of technological advancements in the electronic pen industry.

With his vast patent portfolio, Hiroyuki Fujitsuka has undoubtedly made an indelible mark on the field of electronic pens. His dedication to innovation and his contributions to Wacom Corporation Limited showcase his expertise and passion for creating cutting-edge solutions in this domain.

For more information on Hiroyuki Fujitsuka and other remarkable inventors and patents, be sure to visit our website idiyas.com, dedicated to exploring the world of inventions and patents.

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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