Inventor

YAMAOKA HIDENORI

6 patents

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

TOSHIBA CERAMICS CO

2 patents

US5554204ASep 10, 1996

Surface treatment method for quartz material

TOSHIBA CERAMICS CO11 citations65

US5817274AOct 6, 1998

Method of manufacturing aluminum nitride

TOSHIBA CERAMICS CO3 citations60

NIPPON PETROCHEMICALS CO LTD

1 patent

US4269391AMay 26, 1981

Valve sealing device and a valve

NIPPON PETROCHEMICALS CO LTD74 citations95

TOYOTA MOTOR CO LTD

1 patent

US5479873AJan 2, 1996

Method of manufacturing aluminum borate whiskers having a reformed surface based upon gamma alumina

TOYOTA MOTOR CO LTD93 citations93

NIPPON CARBON CO LTD

1 patent

US4973516ANov 27, 1990

Gaskets for use in internal combustion engines

NIPPON CARBON CO LTD10 citations68

TOYODA CHUO KENKYUSHO KK

1 patent

US4767597AAug 30, 1988

Heat-resistant alloy

TOYODA CHUO KENKYUSHO KK14 citations68