3 Utility Patents
#150 in Narashino
#236,220 in Japan
Forward Citations = 22
Company Filing History:
Takenaka Corporation
Nippon Nyukazai Co., Ltd.

4. 1 out of 1,527

5. 1 out of 1
Keihin Ryoko Concrete Industry Corporation
where one patent can have more than one assignee
Get your Inventor Badge Today