Company Filing History:

6 out of 42,485

Hitachi, Ltd.

patents

Years Active: 1986-2002

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6475680 - Lithium secondary battery, its electrolyte, and electric apparatus using the same (2002-11-05),

2. 6323163 - Fluorocompound, lubricant, surface modifier, lubricating film, magnetic recording medium, and magnetic recording device (2001-11-27),

3. 6296917 - Magnetic disk and magnetic recording/reproduction apparatus (2001-10-02),

4. 5985403 - Magnetic recording medium and magnetic recording reproducer (1999-11-16),

5. 4657685 - Emulsion type liquid lubricant for metal forming, process for preparing (1987-04-14),

6. 4612127 - Lubricant for metal forming and process for metal forming (1986-09-16),

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Company Filing History:

Years Active: 1986-2002