Takehiko Iwaoka

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing a large number of copies by means of copying a...
- Patent number 4,220,699
- Issue date Sep 2, 1980
- Ricoh Co., Ltd.
- Tsutomu Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY