P

Inventor

YOKOYAMA MASAO

JP15 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOMATSU MFG CO LTD

4 patents

GS YUASA INT LTD

3 patents

KONISHIROKU PHOTO IND

2 patents

NIINOBE TAKAO

1 patent

TOKYO SANYO ELECTRIC CO

1 patent

TAKEDA CHEMICAL INDUSTRIES LTD

1 patent

SHOWA ALUMINIUM CO LTD

1 patent

SANYO ELECTRIC CO

1 patent

KANEGAFUCHI CHEMICAL IND

1 patent