OS

Osamu Sato

PE Pentax: 1 patents #12 of 57Top 25%
NC Nippon Thompson Co.: 1 patents #3 of 12Top 25%
Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
Overall (1989): #8,059 of 140,708Top 6%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4846916 Method of manufacturing electric carpet via induction heating Hiroshi Kobayashi, Shuji Yamamoto, Kouji Nagahata 1989-07-11
4841322 Camera having interchangeable lenses Masahiro Kawasaki 1989-06-20
4832510 Linear motion rolling-contact bearing assembly having a locally reinforced guide wall 1989-05-23