Inventor
EZAKI YASUO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “EZAKI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EX CELL O CORP
11 patentsUS5699835ADec 23, 1997
Multi-layer plastic hollow pipe
EX CELL O CORP44 citations96
US4907957AMar 13, 1990
Molding apparatus for forming a parison and product of differing materials
EX CELL O CORP35 citations96
US4659531AApr 21, 1987
Method and apparatus for manufacturing a hollow plastic product
EX CELL O CORP39 citations95
US6537484B2Mar 25, 2003
Method for manufacturing a multi-layer plastic pipe
EX CELL O CORP15 citations92
US6319454B1Nov 20, 2001
Method and apparatus for manufacturing a hollow plastic product
EX CELL O CORP15 citations92
US6119731ASep 19, 2000
Hollow plastic product
EX CELL O CORP22 citations92
US5653265AAug 5, 1997
Hollow plastic product
EX CELL O CORP12 citations82
US5198174AMar 30, 1993
Method for producing a hollow plastic product having a radially extending portion
EX CELL O CORP20 citations82
US7316427B2Jan 8, 2008
Hollow plastic product having a connector pipe
EX CELL O CORP6 citations73
US6251332B1Jun 26, 2001
Method for manufacturing a multilayer plastic pipe
EX CELL O CORP13 citations73
US7678324B2Mar 16, 2010
Method for forming a hollow plastic product
EX CELL O CORP2 citations62