Inventor
YAMAGUCHI SHUJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI SHUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS6723826B2Apr 20, 2004
Production process and production apparatus for polybutylene terephthalate
HITACHI LTD51 citations95
US6458916B1Oct 1, 2002
Production process and production apparatus for polybutylene terephthalate
HITACHI LTD47 citations95
US6359106B1Mar 19, 2002
Production process and production apparatus for polybutylene terephthalate
HITACHI LTD63 citations95
US6590062B2Jul 8, 2003
Production process and production apparatus for polybutylene terephthalate
HITACHI LTD30 citations92
US7204962B2Apr 17, 2007
Production apparatus for polybutylene terephthalate
HITACHI LTD5 citations73
US7057007B2Jun 6, 2006
Process for continuously producing polybutylene terephthalate
HITACHI LTD5 citations73
US7179433B2Feb 20, 2007
Production process and production apparatus for polybutylene terephthalate
HITACHI LTD0 citations51
YAHOO JAPAN CORP
6 patentsUS10116449B2Oct 30, 2018
Generation device, terminal device, generation method, non-transitory computer readable storage medium, and authentication processing system
YAHOO JAPAN CORP3 citations69
US12107956B2Oct 1, 2024
Information processing device, information processing method, and non-transitory computer readable storage medium
YAHOO JAPAN CORP0 citations62
US11556547B2Jan 17, 2023
Determination apparatus, determination method, and non-transitory computer readable storage medium
YAHOO JAPAN CORP0 citations61
US12271386B2Apr 8, 2025
Determination apparatus, determination method, and non-transitory computer readable storage medium
YAHOO JAPAN CORP0 citations51
US10325252B2Jun 18, 2019
Payment management apparatus, payment management method, and storage medium
YAHOO JAPAN CORP0 citations41
US10341114B2Jul 2, 2019
Providing device, terminal device, providing method, non-transitory computer readable storage medium, and authentication processing system
YAHOO JAPAN CORP0 citations39