Kouichi Doi

JC Japan Crown Cork Co.: 1 patents #1 of 2Top 50%

Overall (1994): #103,554 of 165,921Top 65%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5289931	Pilfer-proof synthetic resin cap	—	1994-03-01