Katsumi Shinjo

YS Yugenkaisha Shinjo Seisakusho: 2 patents #1 of 3Top 35%

Overall (1994): #28,213 of 165,921Top 20%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5332346	Concrete anchor	—	1994-07-26
5299441	Method of making a mandrel comprising a drill section for a self-drilling blind rivet	—	1994-04-05