P

Inventor

OHKAWA MASAYUKI

JP3 patents
⚠️ This page may combine multiple inventors who share the name “OHKAWA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA CERAMICS CO

1 patent

MITSUBISHI METAL CORP

1 patent

SHIMIZU CONSTRUCTION CO LTD

1 patent