Inventor

DOI HARUO

JP21 patents

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

DOI HARUO

TOYODA CHUO KENKYUSHO KK

Composite material composed of clay mineral and organic high polymer and method for producing the same

Process for producing composite oxide powder containing cerium and zirconium

Method for joining ceramic parts to metallic parts

Converter for the purification of exhaust gases

Unlubricated sliding member

Semiconductive barium titanate

Method of reinforcing a ceramic body of silicon carbide

Method of producing a composite ceramic body

Method of bonding ceramic article

Method for preparation of porous glass film

Formed product of vermiculite and method for producing the same

Clay mineral sheet

Process for producing clay mineral of chain structure

Process for producing silicon nitride

Catalyst for purifying exhaust gases

Method for reducing nitrogen oxides

Method of strengthening ceramics

NIPPON DENSO CO

Process for producing cordierite ceramic products

Resistor built-in spark plug

NAT RES INST METALS

Heat-resistant alloy based on intermetallic compound TiAl

Tial base alloy having high strength performance at high temperature