47 Utility and 2 Design Patents
#1,874 in Tokyo
#8,514 in Japan
#41,220 in the World
rank by utility patentsForward Citations = 459
Company Filing History:

Oki Electric Industry Co., Ltd.
Daiwa Seiko Co., Ltd.
4. 1 out of 1,735

5. 1 out of 1
Diawa Seiko, Inc.
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