TH

Tsuneyuki Hasegawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,638,466 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5856281 Bearing and manufacturing method of bearing, and magnetic disk device with bearing containing a lubricating grease Masaki Otsuka, Iwao Matsuyama, Mitsuhiko Oguchi, Kazuhisa Murakami, Nobuyuki Ishii +2 more 1999-01-05