SO

Sumio Okuno

HI Hitachi: 2 patents #343 of 3,149Top 15%
SI Sumitomo Light Metal Industries: 1 patents #3 of 43Top 7%
Overall (1994): #19,069 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5353502 Method of producing a honeycomb panel insert for fixing a member in an opening Morishige Hattori, Mamoru Ohara, Koichiro Okuto, Hiroshi Irie 1994-10-11
5287814 Car body of railway rolling stock and method for fabricating car body Kentaro Masai, Seiichi Okamoto, Keiji Ohmura 1994-02-22