KA

Kooju Aizawa

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #103,612 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5346316 Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit Ryoji Okada, Masayuki Yamada, Kenji Otani, Kunio Takada, Mitsuaki Haneda +1 more 1994-09-13