P

Inventor

TOMITA TADAYOSHI

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

TOYO ENGINEERING CORP

6 patents

FUJIMI ABRASIVE

1 patent

MITSUI TOATSU CHEMICALS

1 patent