19 Utility Patents
#256 in Hitachinaka
#39,220 in Japan
#181,319 in the World
Forward Citations = 279
Company Filing History:


Tokyo Tungsten Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today
#256 in Hitachinaka
#39,220 in Japan
#181,319 in the World
Company Filing History:


Get your Inventor Badge Today