Inventor
TONG YUCHUAN
JP9 patents
Patents
9 patentsUS11208222B2Dec 28, 2021
Bag-making and packaging machine
ISHIDA SEISAKUSHO2 citations72
US11046468B2Jun 29, 2021
Bag-making and packaging machine
ISHIDA SEISAKUSHO2 citations71
US11427365B2Aug 30, 2022
Bag-making and packaging machine
ISHIDA SEISAKUSHO3 citations70
US12466680B2Nov 11, 2025
Film roll supply device
ISHIDA SEISAKUSHO1 citations63
US11649083B2May 16, 2023
Bag-making and packaging apparatus
ISHIDA SEISAKUSHO1 citations62
US11370568B2Jun 28, 2022
Form-fill-seal machine and form-fill-seal system
ISHIDA SEISAKUSHO0 citations61
US11447283B2Sep 20, 2022
Product processing apparatus
ISHIDA SEISAKUSHO0 citations60
US12577072B2Mar 17, 2026
Film roll replacement device, film roll supply method, and film roll removal method
ISHIDA SEISAKUSHO0 citations51
US12358674B2Jul 15, 2025
Bag-making and packaging machine
ISHIDA SEISAKUSHO0 citations44