Company Filing History:

3 out of 259

Toyo Kohan Co., Ltd.

Years Active: 2001-2004

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6777863 - Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube (2004-08-17),

2. 6641682 - Method for manufacturing an aperture grill material for color picture tube (2003-11-04),

3. 6617776 - Color picture tube shadow mask material (2003-09-09),

4. 6583545 - Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube (2003-06-24),

5. 6306229 - Method for production of invar alloy steel sheet material for shadow mask (2001-10-23),

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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

Yasuo Tahara

Location History:

Company Filing History:

Years Active: 2001-2004