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Masahiko Kataoka

This inventor holds 6 USPTO granted patents. Top assignees: Ntn Corporation, Ntn Toyo Bearing Co., Ltd.. Active years: 1991-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Kataoka. Retrieved from https://idiyas.com/inventor/masahiko-kataoka

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

USPTO Granted Patents = 6

% Patents Active = 66.7

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 48(Granted Patents)

Location History:

Iwata, JP (2005 - 2007)
Kuwana, JP (1991 - 2014)
Mie, JP (2016)

Company Filing History:

Ntn Corporation

Ntn Toyo Bearing Co., Ltd.

Years Active: 1991-2016

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9463814 - Bearing device for axle of railway vehicle (2016-10-11),

2. 8790014 - Bearing device for axle of railway vehicle (2014-07-29),

3. 7281449 - Connecting rod and bearing-equipped connecting rod (2007-10-16),

4. 6863040 - Rocker arm (2005-03-08),

5. 5271486 - Torque limiter (1993-12-21),

6. 4989705 - Rotary member with one-way clutch (1991-02-05),

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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