P

Inventor

MARUYAMA MASAYUKI

JP16 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

5 patents

MITSUBISHI HEAVY IND LTD

3 patents

RIKEN PISTON RING IND CO LTD

2 patents

NSK LTD

2 patents

MARUYAMA MASAYUKI

1 patent

KUBOKAWA MINORU

1 patent

RIKEN

1 patent

WASHIO KAZUNORI

1 patent