Inventor

HONGOU MASAHIRO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “HONGOU MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYO SEIKAN KAISHA LTD

2 patents

US11180305B2Nov 23, 2021

Microwave pouch

TOYO SEIKAN KAISHA LTD0 citations57

US11059650B2Jul 13, 2021

Packaging bag for heating in microwave oven

TOYO SEIKAN KAISHA LTD0 citations47

TOYO SEIKAN CO LTD

1 patent

US12454115B2Oct 28, 2025

Easy-open packaging bag, and easy-open laminate film and pouch having gas barrier properties

TOYO SEIKAN CO LTD0 citations53