Inventor

Tsutomu Shimizu

Inventor

Hiroshima, JP

Overview

23→

Patents

1983–2018

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 23 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification7%

C23CCoating metallic material5%

F01CRotary-piston or oscillating-piston machines or engines5%

F02BInternal-combustion piston engines5%

G02BOptical elements, systems or apparatus5%

G11BInformation storage based on relative movement between record carrier and transducer5%

H01HElectric switches5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

C01BNon-metallic elements4%

C04BLime, magnesia4%

PatentTitleYear

9,863,660'Sensing method and sensing system, and air conditioning device having the same'2018 8,353,152'Exhaust emission control device'2013 7,468,849'Object lens unit and optical pickup device employing the unit'2008 7,301,713'Object lens unit and optical pickup device employing the unit'2007 6,129,061'Apparatus for controlling rotational phase'2000 5,536,586'Composite hydrogen storage alloy material'1996 5,462,021'Hydrogen gas supply systems for hydrogen engine and method of supplying hydrogen gas to the hydrogen gas supply system'1995 5,443,297'Structure of side portion of vehicle body'1995 5,391,403'Method of manufacturing a sensor having a magnetic film'1995 5,271,966'Method for manufacturing a magnetic recording medium'1993 5,217,931'Ceramic sliding member and method of manufacturing the same'1993 5,126,709'Electromagnetic relay'1992 5,098,748'Method of producing a flame-spray-coated article and flame spraying powder'1992 4,993,787'Electromagnetic relay'1991 4,881,053'Electromagnetic relay'1989 4,738,602'Method for manufacturing an apex seal for a rotary piston engine using high energy heating radiation'1988 4,693,942'Apex seal for rotary piston engines'1987 4,678,738'Manufacture of a wear-resistant sliding surface'1987 4,665,873'Governor for fuel injection pump'1987 4,645,232'Three-point type seatbelt system for vehicle'1987 4,545,825'Apex seals for high power rotary piston engines'1985 4,422,735'Fundus camera'1983 4,392,716'Mechanism to maintain constant body tube length of binocular microscope'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to OLYMPUS OPTICAL CO (2)· patent assignee history

1983Based in Hanno, JP· patent location history

1985–2000Patents assigned to MAZDA MOTOR (11)· patent assignee history

1985–2000Based in Hiroshima, JP· patent location history

1989–1992Patents assigned to OMRON TATEISI ELECTRONICS CO (3)· patent assignee history

1989–1992Based in Kusatsu, JP· patent location history

2007–2008Patents assigned to KONICA MINOLTA OPTO INC (2)· patent assignee history

2007–2008Based in Misato, JP· patent location history

2013Patents assigned to HINO MOTORS LTD (1)· patent assignee history

2018Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAZDA MOTOR	11	1985–2000
OMRON TATEISI ELECTRONICS CO	3	1989–1992
KONICA MINOLTA OPTO INC	2	2007–2008
OLYMPUS OPTICAL CO	2	1983
HINO MOTORS LTD	1	2013

Locations

Location	Patents	Span
Hiroshima, JP	10	1985–2000
Kusatsu, JP	3	1989–1992
Misato, JP	2	2007–2008
Hanno, JP	2	1983
Kanagawa, JP	1	2018