P

Inventor

KITAYAMA MASAHIRO

JP18 patents
⚠️ This page may combine multiple inventors who share the name “KITAYAMA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IDEMITSU PETROCHEMICAL CO

7 patents

RICOH KK

6 patents

IDEMITSU KOSAN CO

3 patents

KITAYAMA MASAHIRO

2 patents