OK

Osamu Kakuma

DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #104 of 393Top 30%
SL Sugino Machine Limited: 1 patents #48 of 124Top 40%
Overall (All Time): #3,894,001 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4893512 Swinging-type automatic examination apparatus for piping Kenichi Tanimoto 1990-01-16