Company Filing History:

4 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

Years Active: 1978-1987

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4672665 - Echo canceller (1987-06-09),

2. 4329544 - Sound reproduction system for motor vehicle (1982-05-11),

3. 4097689 - Out-of-head localization headphone listening device (1978-06-27),

4. 4087631 - Projected sound localization headphone apparatus (1978-05-02),

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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

Akitoshi Yamada

Location History:

Company Filing History:

Years Active: 1978-1987