7 Utility Patents
#133 in Takarazuka
#121,602 in Japan
#597,011 in the World
Forward Citations = 42
Company Filing History:
Osaka Municipal Technical Research Institute
Daiken Chemical Co., Ltd.
Other
4. 1 out of 299

5. 1 out of 16
Osaka Municipal Government
where one patent can have more than one assignee
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