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Hirakata, Japan

Toyohiko Youan

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 8(Granted Patents)

Location History:

Kawasaki, JP (2003)
Hirakata, JP (2005 - 2006)

Company Filing History:

Komatsu Corporation

Years Active: 2003-2006

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7128168 - Reamer apparatus for ground boring machine (2006-10-31),

2. 6932171 - Ground drilling machine (2005-08-23),

3. 6913094 - Leading body for ground drilling and ground drilling machine (2005-07-05),

4. 6637525 - Ground drilling machine and rod exchanger utilized therefor (2003-10-28),

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