IDiyas

For the Inventor, By the Inventor

Miyagi, Japan

Wataru Ishikawa

USPTO Granted Patents = 7

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 93(Granted Patents)


Location History:

  • Kanagawa, JP (1987 - 1988)
  • Miyagi, JP (1989 - 1995)

Company Filing History:

goldMedal7 out of 58,129 
 
Sony Corporation
 patents

Years Active: 1987-1995

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7 patents (USPTO):
1. 5469312 - Thin film magnetic head device having a core recess set to a (1995-11-21),
2. 5293288 - Dual thin-film magnetic head with side surface terminals (1994-03-08),
3. 5198949 - Thin film magnetic head with shaped magnetic layer (1993-03-30),
4. 4841120 - Thermal head (1989-06-20),
5. 4748000 - Soft magnetic thin film (1988-05-31),
6. 4707417 - Magnetic composite film (1987-11-17),
7. 4640871 - Magnetic material having high permeability in the high frequency range (1987-02-03),
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