YU

Yasuo Utsumi

Nsk: 3 patents #483 of 1,559Top 35%
NC Nippon Seiko Co.: 2 patents #67 of 315Top 25%
Overall (All Time): #1,047,635 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6325867 Rolling bearing and heat treatment method therefor Shigeru Okita, Akihiro Kiuchi 2001-12-04
5361648 Rolling-sliding mechanical member Yasuo Murakami, Shoji Noguchi, Yasuyuki Shimasaki, Hiroshi Iwasa, Satoshi Kadokawa 1994-11-08
5352303 Rolling bearing Yasuo Murakami, Toichi Kondou 1994-10-04
5259886 Rolling member Kousuke Nonaka 1993-11-09
5122000 Rolling bearing Yoichi Matsumoto 1992-06-16