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Ibaraki-ken, Japan

Naoki Miyanagi

USPTO Granted Patents = 12

EPO Patents = 1

Average Co-Inventor Count = 5.2

ph-index = 9

Forward Citations = 217(Granted Patents)

Location History:

Chiyodamura, JP (1983)
Ibaraki, JP (1986 - 2002)
Ibaraki-ken, JP (1996 - 2003)
Niihari-gun, JP (2006)

Company Filing History:

11 out of 1,504

Hitachi Construction Machinery Co., Ltd.

Nippon Telegraph and Telephone Public Corporation

1 out of 42,517

where one patent can have more than one assignee

Years Active: 1983-2006

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7005607 - Welding method, welding device, welded joint, and welded structure (2006-02-28),

2. 6596969 - Method for guiding arc by laser, and arc guiding welding and device by the method (2003-07-22),

3. 6480289 - Position measuring apparatus and optical deflection angle measuring apparatus for underground excavators (2002-11-12),

4. 5763853 - Laser processing apparatus, laser processing method and dam bar (1998-06-09),

5. 5662822 - Dam bar cutting apparatus and dam bar cutting method (1997-09-02),

6. 5632083 - Lead frame fabricating method and lead frame fabricating apparatus (1997-05-27),

7. 5580466 - Metal plate processing method, lead frame processing method, lead frame, (1996-12-03),

8. 5548890 - Lead frame processing method (1996-08-27),

9. 4653594 - Vibration generating apparatus (1987-03-31),

10. 4576515 - Pipe laying apparatus (1986-03-18),

11. 4571122 - Pipe laying apparatus (1986-02-18),

12. 4403890 - Method of laying pipe underground and system therefor (1983-09-13),

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