6 Utility Patents
#326 in Kodaira
#139,256 in Japan
#693,433 in the World
Forward Citations = 88
Company Filing History:
Nippon Telegraph and Telephone Public Corporation
Takeda Riken Kogyo Kabushiki Kaisha
Takeda Riken Co., Ltd.
4. 1 out of 42,454

where one patent can have more than one assignee
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