Inventor

Mitsuru Saeki

Inventor

Hitachinaka, JP

Overview

15→

Patents

1989–2019

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 15 as inventor

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

H02Kprimary

H02KDynamo-electric machines25%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%

F03DWind motors9%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g9%

G01RMeasuring electric variables9%

F17CVessels for containing or storing compressed, liquefied or solidified gases6%

B22DCasting of metals3%

B63BShips or other waterborne vessels3%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel3%

F02GHot gas or combustion-product positive-displacement engine plants3%

PatentTitleYear

10,280,901Wind power generation system2019 10,125,742Wind power generation system2018 8,716,878'Downwind type wind turbine having transformer therein and operating method thereof'2014 8,049,378'Forced cooling rotary electric machine'2011 7,939,977'Rotary electrical device having particular coil support structure'2011 7,911,106'Rotary electric machine'2011 7,898,128'Forced cooling rotary electric machine'2011 7,893,574'Rotor of rotary-electric machine'2011 7,750,525'Electric rotating machine'2010 7,737,586'Rotating electric machine'2010 7,638,909'Rotor of rotary-electric machine'2009 5,381,666'Cryostat with liquefaction refrigerator'1995 5,181,385'Cryostat and nuclear magnetic resonance imaging apparatus including a cryostat'1993 4,959,964'Cryostat with refrigerator containing superconductive magnet'1990 4,867,786'Electromagnetic stirring method'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Based in Wakayama, JP· patent location history

1990–2019Patents assigned to HITACHI LTD (14)· patent assignee history

1990–2011Based in Hitachi, JP· patent location history

2010–2014Based in Hitachinaka, JP· patent location history

2014Patents assigned to HASEGAWA TSUTOMU (1)· patent assignee history

2014Patents assigned to KATO HIROSHI (1)· patent assignee history

2014Patents assigned to MATSUNOBU TAKASHI (1)· patent assignee history

2014Patents assigned to SAEKI MITSURU (1)· patent assignee history

2018–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	14	1990–2019
HASEGAWA TSUTOMU	1	2014
KATO HIROSHI	1	2014
MATSUNOBU TAKASHI	1	2014
SAEKI MITSURUself	1	2014

Locations

Location	Patents	Span
Hitachinaka, JP	7	2010–2014
Hitachi, JP	5	1990–2011
Tokyo, JP	2	2018–2019
Wakayama, JP	1	1989