P

Inventor

YOKOYA JIRO

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

TOKYO OHKA KOGYO CO LTD

8 patents

YOKOYA JIRO

3 patents

TAKESHITA MASARU

2 patents

KOSHIYAMA JUN

2 patents