P

Inventor

TSUBOTA KENJI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “TSUBOTA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJIKIN KK

9 patents

SEIKISUI CHEMICAL CO LTD

2 patents

ITOI SHIGERU

2 patents