TD

Tomohiko Douken

HI Hitachi: 1 patents #867 of 2,942Top 30%
HC Hitachi Media Electronics Co.: 1 patents #1 of 23Top 5%
Overall (1997): #66,452 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5631517 Ultrasonic motor and driving for the ultrasonic motor Kazuo Kato, Takashi Sase, Kikuo Tomita, Shuzo Oshima, Muneo Chiba +1 more 1997-05-20