Minoru Ichijo

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Maxell, Limited, Hitachi Maxell Energy, Ltd., Hitachi Maxwell, Ltd.. Active years: 1988-2011.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 3

Forward Citations = 78(Granted Patents)

Location History:

Toride, JP (1988 - 1991)
Ibaraki, JP (1988 - 2011)

Company Filing History:

2 out of 1,112

Hitachi Maxell, Limited

patents

1 out of 10

Hitachi Maxell Energy, Ltd.

patents

1 out of 56

Hitachi Maxwell, Ltd.

patents

Years Active: 1988-2011

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8003247 - Button-type alkaline battery and method of manufacturing the same (2011-08-23),

2. 5013594 - Optical information recording medium and its production (1991-05-07),

3. 4755426 - Magnetic recording medium and production of the same (1988-07-05),

4. 4737415 - Magnetic recording medium and production thereof (1988-04-12),

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