Company Filing History:

6 out of 42,488

Hitachi, Ltd.

patents

1 out of 217

Hitachi Device Engineering Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1993-2004

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6675183 - Digital filtering circuit (2004-01-06),

2. 6377968 - Digital filtering circuit (2002-04-23),

3. 5742361 - Data demultiplexer (1998-04-21),

4. 5438577 - Error correcting system (1995-08-01),

5. 5235538 - Semiconductor operation device with memory for storing operation codes (1993-08-10),

6. 5222035 - Digital filter circuit (1993-06-22),

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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

Junko Nakase

Location History:

Company Filing History:

Years Active: 1993-2004