Company Filing History:

4 out of 42,485

Hitachi, Ltd.

patents

1 out of 44

Electric Power Development Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1977-1988

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4749458 - Free-flow electrophoretic separation method and apparatus therefor (1988-06-07),

2. 4698142 - Free-flow electrophoretic separation method and apparatus therefor (1987-10-06),

3. 4492638 - Method for agglomerating coal particles in pulp water (1985-01-08),

4. 4050953 - Process for continuously producing sugar (1977-09-27),

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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

Kosai Hiratsuka

Location History:

Company Filing History:

Years Active: 1977-1988