IDiyas

For the Inventor, By the Inventor

Saitama, Japan

Hiroshi Tomishima

USPTO Granted Patents = 4

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 14(Granted Patents)


Location History:

  • Saitama, JP (1989 - 1991)
  • Fukaya, JP (1994)
  • Kawamoto-machi, JP (1999)

Company Filing History:

goldMedal4 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
silverMedal1 out of 42,485 
 
Hitachi, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1989-1999

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4 patents (USPTO):Explore Patents
1. 5910863 - Magnetic head slider and magnetic disk device using the same (1999-06-08),
2. 5290738 - Material for nonmagnetic oxide substrate and magnetic head (1994-03-01),
3. 5057374 - MnO/NiO-based nonmagnetic substrate material (1991-10-15),
4. 4805059 - Magnetic head having MnO/NiO-based nonmagnetic substrate (1989-02-14),
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