IDiyas

For the Inventor, By the Inventor

Hitachi, Japan

Toshio Tsubaki

USPTO Granted Patents = 8

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 186(Granted Patents)


Location History:

  • Hitachi, JA (1976 - 1977)
  • Hitachi, JP (1982 - 1989)

Company Filing History:

goldMedal8 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1976-1989

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8 patents (USPTO):Explore Patents
1. 4825315 - Magnetic disc driving device (1989-04-25),
2. 4385296 - Remote-controlled automatic control apparatus (1983-05-24),
3. 4328540 - Door operation control apparatus (1982-05-04),
4. 4311225 - Device for driving driven member by roller chain (1982-01-19),
5. 4063253 - Ink jet recording apparatus (1977-12-13),
6. 4019187 - Ink jet recording apparatus (1977-04-19),
7. 3997720 - Optical picture recording system (1976-12-14),
8. 3947190 - Electrophotographic apparatus for recording images in superimposed (1976-03-30),
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