Inventor
YAMAGUCHI YOSHIHISA
JP20 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI YOSHIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON PETROCHEMICALS CO LTD
7 patentsUS5310833AMay 10, 1994
Process for feeding catalyst to fluidized bed for vapor phase polymerization
NIPPON PETROCHEMICALS CO LTD14 citations73
US5202396AApr 13, 1993
Process for feeding catalyst to fluidized bed for vapor phase polymerization
NIPPON PETROCHEMICALS CO LTD6 citations73
US5385991AJan 31, 1995
Method for producing polyolefin
NIPPON PETROCHEMICALS CO LTD12 citations72
US5541269AJul 30, 1996
Method for drying vapor phase reaction system
NIPPON PETROCHEMICALS CO LTD12 citations71
US5571879ANov 5, 1996
Method of vapor phase polymerization of olefins
NIPPON PETROCHEMICALS CO LTD8 citations70
US5525687AJun 11, 1996
Method for producing polyolefin
NIPPON PETROCHEMICALS CO LTD0 citations51
US5543478AAug 6, 1996
Method for operating reactor for polymerizing olefins
NIPPON PETROCHEMICALS CO LTD1 citations45
YAMAGUCHI YOSHIHISA
4 patentsUS5313679AMay 24, 1994
Bed having system for moving mattress up and down
YAMAGUCHI YOSHIHISA64 citations95
US5257430ANov 2, 1993
Bed having a system for moving a mattress up and down
YAMAGUCHI YOSHIHISA61 citations95
US8315796B2Nov 20, 2012
Navigation device
YAMAGUCHI YOSHIHISA19 citations83
US9291473B2Mar 22, 2016
Navigation device
YAMAGUCHI YOSHIHISA0 citations40