KH

Keiji Hatanaka

HI Hitachi: 3 patents #133 of 2,935Top 5%
Mitsubishi Electric: 2 patents #192 of 1,307Top 15%
Nissan Motor Co.: 1 patents #118 of 487Top 25%
Overall (1989): #2,625 of 140,708Top 2%
5
Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4862099 Digital FM demodulator with distortion correction Takahiro Nakai, Yoshiko Hatano 1989-08-29
4860211 Air fuel ratio control apparatus Kiyotoshi Sakuma, Kiyomi Morita, Junji Miyake 1989-08-22
4827359 Video recording and reproducing apparatus Katsuhiro Ookawa 1989-05-02
4817570 Method of and apparatus for fuel control Kiyomi Morita, Junji Kiyake, Kiyotoshi Sakuma 1989-04-04
4817571 Method and apparatus for fuel control Kiyomi Morita, Junji Miyake, Kiyotoshi Sakuma 1989-04-04