Inventor

Tadayoshi Hayashi

Inventor

Saitama, JP

Overview

19→

Patents

1978–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 19 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification15%

C22CAlloys10%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general7%

F02FCylinders, pistons or casings, for combustion engines7%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%

Y02ATechnologies for adaptation to climate change6%

F01LCyclically operating valves for machines or engines4%

F02BInternal-combustion piston engines4%

F16JPistons4%

PatentTitleYear

11,056,631Thermoelectric conversion module2021 5,753,580'Exhaust emission control catalyst comprising cerium'1998 5,302,342'Aluminum alloy for heat exchangers'1994 5,260,142'Corrosion-resistant clad material made of aluminum alloys'1993 5,041,340'Fiber-reinforced light alloy member excellent in heat conductivity and sliding properties'1991 4,991,647'Heat exchanger'1991 4,989,556'Valve spring retainer for valve operating mechanism for internal combustion engine'1991 4,941,669'Fiber-reinforced piston ring for internal combustion engine'1990 4,936,270'Composite light alloy member'1990 4,868,067'Cooperating slidable aluminum alloy members'1989 4,856,462'Cylinder block made of fiber-reinforced light alloy for internal combustion engine'1989 4,817,578'Internal combustion engine'1989 4,757,790'Aluminum alloy slide support member'1988 4,614,172'Cylinder head for internal combustion engine'1986 4,420,933'Exhaust system'1983 4,362,700'Catalytic converter'1982 4,207,661'Method of fabricating a catalyst converter for cleaning exhausts of cars'1980 4,203,949'Catalyst converter for cleaning exhausts of cars'1980 4,116,884'Oxidizing catalyzer'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1998Patents assigned to HONDA MOTOR CO LTD (18)· patent assignee history

1978–1980Based in Niiza, JP· patent location history

1982–1994Based in Fujimi, JP· patent location history

1988–1998Based in Saitama, JP· patent location history

1991Patents assigned to SHOWA ALUMINUM CORP (1)· patent assignee history

1994Patents assigned to SHOWA ALUMINIUM CO LTD (1)· patent assignee history

2021Patents assigned to YAMAHA CORP (1)· patent assignee history

2021Based in Hamamatsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HONDA MOTOR CO LTD	18	1978–1998
SHOWA ALUMINIUM CO LTD	1	1994
SHOWA ALUMINUM CORP	1	1991
YAMAHA CORP	1	2021

Locations

Location	Patents	Span
Saitama, JP	9	1988–1998
Fujimi, JP	6	1982–1994
Niiza, JP	3	1978–1980
Hamamatsu, JP	1	2021