Company Filing History:

3 out of 1,176

Sumitomo Heavy Industries, Ltd.

patents

Years Active: 1990-2005

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6965115 - Airtight processing apparatus, airtight processing method, and electron beam processing apparatus (2005-11-15),

2. 4955498 - Sealing structure of pressure container (1990-09-11),

3. 4942972 - Pressure vessel (1990-07-24),

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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

Eiichi Hiraoka

Location History:

Company Filing History:

Years Active: 1990-2005