Patents/Inventors

Ryozo Shiroishi

YokohamaJP3 patents

4 Patents

US123437782025
Die for Ironing Working and Die Module
TOYO SEIKAN GROUP HOLDINGS, Ltd.
0 cites
US121576022024
Aluminum Can
TOYO SEIKAN GROUP HOLDINGS, Ltd.
0 cites
US120365972024
Jig for Metal Plastic Working
TOYO SEIKAN GROUP HOLDINGS, Ltd.
0 cites
US117452452023
Metallic Worked Articles
TOYO SEIKAN GROUP HOLDINGS, Ltd.
0 cites