NS

Norihisa Sagawa

HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,643,099 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5619422 Rotor temperature control system Takashi Nakazawa, Shinji Azuma 1997-04-08
5342280 System for management of body rotation of centrifuge Yoshitaka Niinai, Akio Nagata, Shigeru Shinohara, Eiji Nakayama, Mitsutoshi Yotsuyanagi +2 more 1994-08-30
5160876 Method of protecting rotating machine Yoshitaka Niinai, Yasuhiro Kawai, Sadato Igarashi, Hisanobu Ohyama 1992-11-03