Inventor

OHTSUBO YASUHIKO

JP3 patents

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

HITACHI METALS LTD

2 patents

US7687008B2Mar 30, 2010

Method for producing ceramic honeycomb filter

HITACHI METALS LTD12 citations81

US7833606B2Nov 16, 2010

Ceramic honeycomb structure and method for producing ceramic honeycomb structure

HITACHI METALS LTD5 citations60

TOYOTA MOTOR CO LTD

1 patent

US6619035B2Sep 16, 2003

Exhaust emission control device of internal combustion engine

TOYOTA MOTOR CO LTD25 citations91