YN

Yasushi Naitoh

JE Japan Energy: 2 patents #44 of 240Top 20%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #2,238,099 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6063741 Engine oil composition Kenyu Akiyama 2000-05-16
5916851 Lubricating oil for internal combustion engine comprising oxymolybdenum dithiocarbamate sulfide Kunihiko Hosonuma, Toru Imori, Kouichi Nakamura 1999-06-29