KN

Keigo Naoi

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HE Hitachi Automotive Eng.: 1 patents #4 of 24Top 20%
📍 Hitachinaka, JP: #850 of 2,447 inventorsTop 35%
Overall (All Time): #1,056,463 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5404717 Method and system for controlling internal combustion engine with air pump Toshiharu Nogi, Minoru Ohsuga, Jun'ichi Yamaguchi, Yoshiyuki Tanabe, Masayuki Shizuka +1 more 1995-04-11
5355749 Control apparatus and control method for motor drive vehicle Sanshiro Obara, Ryoso Masaki, Toshiaki Okuyama, Tsutomu Ohmae, Makoto Shioya 1994-10-18
4760323 Voltage regulator for generator 1988-07-26
4563631 Voltage regulator for charging generator Keiichi Mashino, Kunio Kobayashi 1986-01-07
4232238 Rectifier assembly for AC generators for use with vehicles Akihiro Saito 1980-11-04