Inventor

YOKOYAMA YASUHARU

JP4 patents

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

OLYMPUS TERUMO BIOMATERIALS CORP

2 patents

US11517359B2Dec 6, 2022

Bone plate and bone plate kit

OLYMPUS TERUMO BIOMATERIALS CORP0 citations42

US12478414B2Nov 25, 2025

Bone plate

OLYMPUS TERUMO BIOMATERIALS CORP0 citations39

TONEN CORP

1 patent

US5075277ADec 24, 1991

Steam reforming catalyst for hydrocarbon and method for manufacturing the same

TONEN CORP32 citations87

YOKOYAMA YASUHARU

1 patent

US8691739B2Apr 8, 2014

Lubricating oil composition

YOKOYAMA YASUHARU0 citations37