Inventor

Tetsuo Hiraoka

Inventor

Hiroshima, JP

Overview

8→

Patents

1986–1990

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 8 as inventor

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

F02Bprimary

F02BInternal-combustion piston engines32%

Y02TClimate change mitigation technologies related to transportation32%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof20%

F02FCylinders, pistons or casings, for combustion engines12%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines4%

PatentTitleYear

4,977,865'Intake system for V-type engine'1990 4,919,087'Intake system for V-type vehicle engine'1990 4,803,961'Air suction devices for multicylinder engines'1989 4,736,714'Engine intake system'1988 4,708,097'Induction system for V-type internal combustion engine'1987 4,686,944'Intake manifold structure for V-type engine'1987 4,649,871'Intake system for V-type engine'1987 4,630,575'Intake system for multicylinder engine'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1990Patents assigned to MAZDA MOTOR (8)· patent assignee history

1986–1990Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAZDA MOTOR	8	1986–1990

Locations

Location	Patents	Span
Hiroshima, JP	8	1986–1990