KO

Kenichi Ohtsuki

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
Overall (All Time): #147,898 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4956839 ATM switching system Yutaka Torii, Makoto Mori, Shinobu Gohara, Yoshito Sakurai 1990-09-11
4910731 Switching system and method of construction thereof Yoshito Sakurai, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more 1990-03-20