P

Inventor

SAKAMOTO SHUJI

JP25 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO SHUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IDEMITSU KOSAN CO

11 patents

SHOFU INC

8 patents

PENTEL KK

3 patents

SANYO ELECTRIC CO

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

SHOFU KK

1 patent