P

Inventor

KOYAMA HIROSHI

JP137 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC CORP

11 patents

HITACHI LTD

6 patents

NHK SPRING CO LTD

4 patents

YUPO CORP

3 patents

HONDA MOTOR CO LTD

3 patents

SANYO ELECTRIC CO

2 patents

SONY CORP

2 patents

MORPHO INC

2 patents

CANON KK

2 patents

TOYO SEIKAN KAISHA LTD

2 patents

OJI YUKA GOSEISHI KK

2 patents

DAICEL CHEM

2 patents

TOKYO KIKAI SEISAKUSHO LTD

1 patent

DENSO CORP

1 patent

NIPPON DENSO CO

1 patent

RENESAS TECH CORP

1 patent

KOYAMA HIROSHI

1 patent

DENA CO LTD

1 patent

TOYODA BOSHOKU KK

1 patent

ZEXEL CORP

1 patent

DIESEL KIKI CO

1 patent

Showing the top 50 of 137 patents by PatentIndex Score.