Inventor

Kuniaki Kawamura

Inventor

Koto-ku, JP

Overview

7→

Patents

1994–2009

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 7 as inventor

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

F25Dprimary

F25DRefrigerators20%

C10MLubricating compositions10%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions10%

F25BRefrigeration machines, plants or systems10%

F25CProducing, working or handling ice10%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state10%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

F24FAir-conditioning5%

H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines5%

PatentTitleYear

7,602,085'Coal energy utilization system having superconducting power transmission'2009 7,370,481'Apparatus and method for cooling super conductive body'2008 7,155,930'Apparatus for producing slush nitrogen and method for producing the same'2007 6,889,520'Inter-region thermal complementary system by distributed cryogenic and thermal devices'2005 5,688,433'Ammonia refrigerating machine, working fluid composition and method'1997 5,651,257'Working fluid composition and method for lubricating ammonia refrigerating machine'1997 5,348,080'Latent heat storage apparatus and latent heat storage solution therefor'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2009Patents assigned to MAEKAWA SEISAKUSHO KK (6)· patent assignee history

1994Patents assigned to ASAHI DENKA KOGYO KK (1)· patent assignee history

1994Patents assigned to TOKYO ELECTRIC POWER CO (1)· patent assignee history

1994Based in Ibaragi, JP· patent location history

1997Patents assigned to JAPAN ENERGY CORP (1)· patent assignee history

1997Patents assigned to JAPAN ENERGY CORP & MAYEKAWA M (1)· patent assignee history

1997Based in Ibaragi-ken, JP· patent location history

2005–2008Based in Tokyo, JP· patent location history

2007–2009Based in Koto-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAEKAWA SEISAKUSHO KK	6	1994–2009
ASAHI DENKA KOGYO KK	1	1994
JAPAN ENERGY CORP	1	1997
JAPAN ENERGY CORP & MAYEKAWA M	1	1997
TOKYO ELECTRIC POWER CO	1	1994

Locations

Location	Patents	Span
Koto-ku, JP	2	2007–2009
Tokyo, JP	2	2005–2008
Ibaragi-ken, JP	2	1997
Ibaragi, JP	1	1994