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Akira Hirakawa

USPTO Granted Patents = 4

Average Co-Inventor Count = 3.5

ph-index = 2

Forward Citations = 12(Granted Patents)

Location History:

Sumoto, JP (1993 - 2003)
Hyogo, JP (2005)

Company Filing History:

Sanyo Electric Co., Ltd.

Years Active: 1993-2005

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6908703 - Sealed battery having an electrode substrate exposed portion extending from the electrode assembly (2005-06-21),

2. 6534215 - Sintered cadmium negative electrode for alkaline storage battery and method for producing thereof (2003-03-18),

3. 5281495 - Alkaline storage cell having a negative electrode comprising a cadmium (1994-01-25),

4. 5208122 - Enclosed alkaline storage cell (1993-05-04),

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