P

Inventor

YOKOYAMA SHIN-ICHIRO

JP4 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SHIN-ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI METALS LTD

2 patents

FUJIYOSHI MASARU

1 patent

YOKOYAMA SHIN-ICHIRO

1 patent