Sadao Nakagawa

Follow

Person

Yokohama, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Flash photographing device
- Patent number 4,051,493
- Issue date Sep 27, 1977
- Nippon Kogaku K.K.
- Sadao Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY