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Hiratsuka, Japan

Yugo Yao

USPTO Granted Patents = 7

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 31(Granted Patents)

Location History:

Kanagawa, JP (1989 - 1991)
Hiratsuka, JP (1985 - 2001)

Company Filing History:

Neturen Co., Ltd.

Netsuren Co., Ltd.

Nippon Steel Corporation

4. 1 out of 1,297

Asahi Kasei Kogyo Kabushiki Kaisha

Asahi Kasei Kogyo Kabushiki Hiraoka & Co.

where one patent can have more than one assignee

Years Active: 1985-2001

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6328829 - Constrained hardening method and apparatus for deformed bar workpieces (2001-12-11),

2. 5626693 - Method and apparatus for quenching a tubular workpiece (1997-05-06),

3. 5492308 - Constrained quenching apparatus and heat treatment apparatus (1996-02-20),

4. 4987281 - Apparatus for continuous-direct-resistance heating of long-length (1991-01-22),

5. 4822969 - Apparatus for continuous-direct-resistance heating of long-length (1989-04-18),

6. 4776195 - Apparatus for manufacturing core wire for optical fibers (1988-10-11),

7. 4538042 - Method and apparatus for forming reinforcing cage for prestressed (1985-08-27),

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