P

Inventor

KOYA MASAHIRO

US11 patents
⚠️ This page may combine multiple inventors who share the name “KOYA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

7 patents

FUJITSU LTD

2 patents

MITSUI PETROCHEMICAL IND

1 patent

HITACHI ELECTRONICS

1 patent