Inventor

Yoshihiro Iwata

Inventor

Tokyo, JP

Overview

13→

Patents

1988–2013

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 13 as inventor

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

F28Fprimary

F28FDetails of heat-exchange and heat-transfer apparatus, of general application12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

C10LFuels not otherwise provided for8%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%

F28BSteam or vapour condensers8%

H04BTransmission8%

H10NElectric solid-state devices not otherwise provided for8%

Y02TClimate change mitigation technologies related to transportation8%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%

C10GCracking hydrocarbon oils4%

PatentTitleYear

8,567,768'Direct-contact steam condenser'2013 7,370,694'Condenser'2008 6,324,759'Method of making a filler neck of radiator'2001 6,271,474'Methods of manufacturing oxide superconducting stranded wire and oxide superconducting cable conductor, and coated wire, stranded wire and cable conductor'2001 6,173,765'Heat exchange having header tank'2001 5,929,385'AC oxide superconductor wire and cable'1999 5,888,375'Method of treating oil sludge'1999 5,779,990'Apparatus for manufacturing hydrous oil'1998 5,620,570'Method of manufacturing hydrous oil'1997 5,355,531'Squelch circuit for volume control of a radio transmitter and receiver'1994 5,320,460'Sealing assembly for filler hole'1994 4,754,419'Adaptive digital filter'1988 4,752,903'Adaptive digital filter for eliminating howling'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1994Patents assigned to HITACHI ELECTRONICS (3)· patent assignee history

1988–2001Based in Tokyo, JP· patent location history

1997–2013Patents assigned to IWATA YOSHIHIRO (2)· patent assignee history

1998–1999Based in Kyoto, JP· patent location history

1999–2001Patents assigned to TOKYO ELECTRIC POWER CO (2)· patent assignee history

2001Patents assigned to DENSO CORP (2)· patent assignee history

2001Based in Nishio, JP· patent location history

2001Based in Nihsio, JP· patent location history

2008–2013Patents assigned to TOSHIBA KK (2)· patent assignee history

2008–2013Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI ELECTRONICS	3	1988–1994
DENSO CORP	2	2001
IWATA YOSHIHIROself	2	1997–2013
TOKYO ELECTRIC POWER CO	2	1999–2001
TOSHIBA KK	2	2008–2013

Locations

Location	Patents	Span
Tokyo, JP	3	1988–2001
Kawasaki, JP	2	2008–2013
Kyoto, JP	2	1998–1999
Nishio, JP	1	2001
Nihsio, JP	1	2001