TK

Toru Kumagai

SI Seiko Instruments: 2 patents #28 of 247Top 15%
NT Nec Tokin: 1 patents #32 of 76Top 45%
Overall (2003): #20,166 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6628798 Vibration actuator having three vibration modes Makoto Teshima, Koji Uchida, Yutaka Suzuki 2003-09-30
6575633 Hydraulic bearing motor Hiromitsu Goto, Shinji Kinoshita, Yukihiro Nakayama, Chihiro Tazawa, Mitsuharu Iwamoto +1 more 2003-06-10
6552456 Hydraulic dynamic pressure bearing motor Hiromitsu Goto, Shinji Kinoshita, Yukihiro Nakayama, Chihiro Tazawa, Mitsuharu Iwamoto +1 more 2003-04-22