21 Utility Patents
#6,827 in Tokyo
#34,126 in Japan
#157,806 in the World
Forward Citations = 169
Company Filing History:
Oki Electric Industry Co., Ltd.
Okamoto Industries, Inc.
Asahi Denka Kogyo Kabushiki Kaisha
4. 1 out of 832,575 patents
Other
5. 1 out of 158

where one patent can have more than one assignee
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