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For the Inventor, By the Inventor

Ibaraki, Japan

Naoki Miyanagi

This inventor holds 12 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi Construction Machinery Co., Ltd., Nippon Telegraph and Telephone Public Corporation, Hitachi, Ltd.. Active years: 1983-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Miyanagi. Retrieved from https://idiyas.com/inventor/naoki-miyanagi

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

USPTO Granted Patents = 12

% Patents Active = 100.0


Average Co-Inventor Count = 5.2

ph-index = 9

Forward Citations = 218(Granted Patents)


Location History:

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

Company Filing History:

goldMedal11 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents
silverMedal3 out of 522 
 
Nippon Telegraph and Telephone Public Corporation
 patents
bronzeMedal1 out of 42,731 
 
Hitachi, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1983-2006

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12 patents (USPTO):Explore 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),
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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