Company Filing History:

3 out of 42,485

Hitachi, Ltd.

patents

Years Active: 1977-1980

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3 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 4239423 - Apparatus for hydraulically transporting particulate solid material (1980-12-16),

2. 4145087 - System for hydraulically transporting solid material (1979-03-20),

3. 4000927 - Capsule hydraulic-transportation system (1977-01-04),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Isao Honma

Location History:

Company Filing History:

Years Active: 1977-1980