YI

Yoichi Imgawa

MS Mtd Southwest: 3 patents #3 of 14Top 25%
RP Ryobi Outdoor Products: 1 patents #8 of 17Top 50%
📍 Chandler, AZ: #1,138 of 3,331 inventorsTop 35%
🗺 Arizona: #8,163 of 32,909 inventorsTop 25%
Overall (All Time): #1,263,273 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6945215 Multiple-position, operator-carried, four-stroke engine Shiro Kawamoto, Harry Gene Rickard, John D. Sheldon 2005-09-20
6772726 Multiple-position, operator-carried, four-stroke engine Shiro Kawamoto, Harry Gene Richard, John D. Sheldon 2004-08-10
6374796 Multiple-position, operator-carried, four-stroke engine Shiro Kawamoto, Harry Gene Richard, John D. Sheldon 2002-04-23
6039020 Multiple-position, operator-carried, four-stroke engine Shiro Kawamoto, Harry Gene Richard, John D. Sheldon 2000-03-21