% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 5

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7 inventors (with patents filed for the assignee):

Masaru Umeda (6 out of 38 patents)

Masayuki Toda (6 out of 30 patents)

Masaki Kusuhara (3 out of 19 patents)

4. Shigeki Sakai (3 out of 21 patents)

5. Mitsue Takahashi (3 out of 9 patents)

6. Yoshikazu Sasaki (2 out of 4 patents)

7. Masaki Kusihara (0 patent)

6 patents: Sort by Forward Citations

1. 11335783 - Method of making semiconductor ferroelectric memory element, and semiconductor ferroelectric memory transistor (2022-05-17),

2. 10686043 - Method of making semiconductor ferroelectric memory element, and semiconductor ferroelectric memory transistor (2020-06-16),

3. 9818869 - Ferroelectric device and method of its manufacture (2017-11-14),

4. 9108120 - Method for cooling and dispersing a carrier gas, and method for vaporizing a carrier gas (2015-08-18),

5. 9020332 - Center rod for use in the carburetor or carburetor for MOCVD (2015-04-28),

6. 8897627 - Carburetor, carburetor for MOCVD using same, center rod for use in the carburetor or carburetor for MOCVD, method for dispersing carrier gas, and method for vaporizing carrier gas (2014-11-25),

Company Overview

Wacom R&D Corporation is a global leader in digital pen and tablet technology. They design and develop innovative products for artists, designers, and business professionals. With a focus on creativity and productivity, Wacom's technology enables users to express themselves in a natural and intuitive way. Their products are known for their precision, reliability, and ergonomic design.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#2,469 in Tokyo

#5,990 in Japan

Tokyo, Japan

Wacom R&d Corporation

Forward Citations = 5

7 inventors:

Masaru Umeda (6 out of 38 patents)

Masayuki Toda (6 out of 30 patents)

Masaki Kusuhara (3 out of 19 patents)

4. Shigeki Sakai (3 out of 21 patents)

5. Mitsue Takahashi (3 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wacom R&d Corporation. Retrieved from https://idiyas.com/company/wacom-r-and-d

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

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]

2 patents (EPO):

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]