P

Inventor

NIWA KENJI

JP39 patents
⚠️ This page may combine multiple inventors who share the name “NIWA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI KOKI KK

9 patents

MARUZEN PRODUCTS CO LTD

7 patents

TOYODA GOSEI KK

3 patents

TOYOTA MOTOR CO LTD

3 patents

MERZEN PRODUCTS INC

3 patents

SUMITOMO CHEMICAL CO

2 patents

NEC CORP

2 patents

SEIKO EPSON CORP

2 patents

MARUZEN PRODUCTS COMPANY LTD

2 patents

DEVILBISS CANADA LIMITED

1 patent

MERZEN PRODUCTS CO LTD

1 patent

NIWA KENJI

1 patent

SHIMA YUKIHIRO

1 patent

FUTABA IND CO LTD

1 patent

KOKI HOLDINGS CO LTD

1 patent