Inventor

Takemi Yamada

Inventor

Tokyo, JP

Overview

9→

Patents

1985–1994

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F01Lprimary

F01LCyclically operating valves for machines or engines22%

F02BInternal-combustion piston engines22%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines22%

C22CAlloys17%

F02FCylinders, pistons or casings, for combustion engines17%

PatentTitleYear

5,348,701'Vibration-damping alloy'1994 5,330,706'Vibration-damping alloy of high strength'1994 5,244,513'Fe-Cr-Ni-Si shape memory alloys with excellent stress corrosion cracking resistance'1993 5,167,731'Martensitic stainless steel for an oil well'1992 4,661,371'Method of producing an exhaust valve for diesel engine'1987 4,556,022'Exhaust valve for diesel engine and production thereof'1985 4,554,898'Exhaust valve for diesel engine and production thereof'1985 4,554,897'Exhaust valve for Diesel engine and production thereof'1985 4,530,322'Exhaust valve for diesel engine and production thereof'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1994Patents assigned to NIPPON KOKAN KK (9)· patent assignee history

1985–1994Based in Tokyo, JP· patent location history

1992Based in Kawasaki, JP· patent location history

1993Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON KOKAN KK	9	1985–1994
MITSUBISHI HEAVY IND LTD	1	1993

Locations

Location	Patents	Span
Tokyo, JP	8	1985–1994
Kawasaki, JP	1	1992