P

Inventor

TSUBOI KENJI

JP12 patents
⚠️ This page may combine multiple inventors who share the name “TSUBOI KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

5 patents

MITSUI TOATSU CHEMICALS

4 patents

MITSUI CHEMICALS INC

1 patent

JAPAN COMPOSITE CO LTD

1 patent

JFE STEEL CORP

1 patent