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Hisao Nakagawa

USPTO Granted Patents = 3

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 96(Granted Patents)

Location History:

Shiga, JP (1985 - 1987)
Biwa, JP (1992)

Company Filing History:

Matsushita Electric Works, Ltd.

Years Active: 1985-1992

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5084967 - Dry shaver with a trimmer (1992-02-04),

2. 4675997 - Electric shaver powered by rechargeable batteries (1987-06-30),

3. 4493223 - Gear shifting speed change apparatus for a rotary electric tool (1985-01-15),

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