IT

Ichirou Tokunaga

AC Alps Electric Co.: 4 patents #470 of 2,177Top 25%
📍 Rifu, JP: #599 of 2,101 inventorsTop 30%
Overall (All Time): #1,045,007 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6496003 Magnetic displacement detecting device having linear changing magnetic field over the length of the service Hirofumi Okumura 2002-12-17
6456065 Device for detecting the rotational angle of a rotary member Toshiyuki Hoshi, Hironori Kato, Yoshio Sanpei, Hirofumi Okumura, Toshio Ogawa 2002-09-24
6452382 Encoder provided with giant magnetoresistive effect elements Seiji Kikuchi, Yoshito Sasaki, Takashi Hatanai 2002-09-17
6329818 Magnetic field sensor having giant magnetoresistive effect elements, manufacturing method and apparatus therefor Seiji Kikuchi, Yoshito Sasaki, Takashi Hatanai 2001-12-11
6175296 Potentiometer provided with giant magnetoresistive effect elements Seiji Kikuchi, Yoshito Sasaki, Takashi Hatanai 2001-01-16