Company Filing History:

5 out of 58,129

Sony Corporation

patents

1 out of 161

Praxair S.t. Technology, Inc.

patents

2 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1987-2007

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7279024 - High purity cobalt, method of manufacturing thereof, and high purity cobalt targets (2007-10-09),

2. 6740290 - High purity cobalt, method of manufacturing thereof, and high purity cobalt targets (2004-05-25),

3. 6409965 - Sputtering target and its manufacturing method (2002-06-25),

4. 6391081 - Metal purification method and metal refinement method (2002-05-21),

5. 6086735 - Contoured sputtering target (2000-07-11),

6. 6024852 - Sputtering target and production method thereof (2000-02-15),

7. 4696862 - Magnetic recording medium (1987-09-29),

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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

Norio Yokoyama

Location History:

Company Filing History:

Years Active: 1987-2007