Company Filing History:

4 out of 42,485

Hitachi, Ltd.

patents

Years Active: 1980-1992

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5087170 - Rotary compressor (1992-02-11),

2. 4357132 - Hermetic scroll fluid discharge apparatus with pressurized fluid passage (1982-11-02),

3. 4343599 - Scroll-type positive fluid displacement apparatus having lubricating oil (1982-08-10),

4. 4216661 - Scroll compressor with means for end plate bias and cooled gas return to (1980-08-12),

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Hirokatu Kousokabe

Location History:

Company Filing History:

Years Active: 1980-1992