P

Inventor

YOKOYAMA TADASHI

JP17 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKAI RIKA CO LTD

5 patents

MITSUBISHI ELECTRIC CORP

3 patents

AMADA CO LTD

2 patents

YUSHIRO CHEM IND

2 patents

ASAHI CHEMICAL IND

1 patent

SONY CORP

1 patent

YOKOYAMA TADASHI

1 patent

CENTRAL KAGAKU CO LTD

1 patent

OSAKA PREFECTURE

1 patent