Inventor

Yukio Katsuzawa

Inventor

Yamanashi, JP

Overview

27→

Patents

1982–2007

Patent span

Electricity

Primary field (CPC H)

Patents· 27 as inventor

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

H02Kprimary

H02KDynamo-electric machines53%

Y10TTechnical subjects covered by former us classification16%

F16CShafts9%

B22DCasting of metals7%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling7%

F04DNon-positive-displacement pumps2%

F16FSprings2%

F16JPistons2%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters2%

PatentTitleYear

7,210,214'Method of immulating between coils of different phases of electric motor'2007 7,153,030'Rolling bearing system'2006 7,132,776'Electric motor and method of insulation between coils of different phases of electric motor'2006 6,940,192'Air-cooled motor'2005 6,824,432'Terminal unit for electric motor'2004 6,692,202'Spindle protective structure in spindle-through coolant feeder'2004 6,640,421'Coil inserter for stator winding'2003 6,209,212'Centering structure between machine-side spindle and motor shaft and method of using same'2001 6,078,115'Air-cooled motor'2000 5,967,716'Coolant feeder'1999 5,937,930'Method for casting conductor of a cage rotor of an induction motor and apparatus for casting the same'1999 5,894,653'Method of machining motor frame body and motor machined by the method'1999 5,887,643'Conductor casting apparatus for a squirrel-cage rotor of an induction motor'1999 5,780,946'Air-cooled type electric motor'1998 5,747,900'Electric motor with an air-cooling system'1998 5,577,847'Supporting arrangement for a bearing in an electric motor'1996 5,559,380'Air-cooled motor'1996 5,538,067'Method and device of producing a squirrel-cage rotor for an induction motor'1996 5,448,118'Liquid cooled motor and its jacket'1995 5,352,964'Controlling method and apparatus for actuating induction motor'1994 5,235,228'Motor balancing structure'1993 5,229,673'Joint construction of cooling pipes for liquid cooled motor'1993 5,166,565'Hold structure for bearing in electrical motor'1992 5,084,642'Channel structure for coolant in motor'1992 5,043,616'Induction motor mounted on bolted legs and end plates'1991 4,844,625'Structure of journal bearing for motor operating at high revolutionary speeds'1989 4,338,535'Direct current motor having E-shaped interpoles'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to FUJITSU FANUC LTD (1)· patent assignee history

1982–1989Based in Hachioji, JP· patent location history

1989–2007Patents assigned to FANUC LTD (26)· patent assignee history

1991–2007Based in Yamanashi, JP· patent location history

1994–2006Based in Minamitsuru-gun, JP· patent location history

1999Based in Nishikamo-gun, JP· patent location history

1999Based in Kawaguchiko-machi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FANUC LTD	26	1989–2007
FUJITSU FANUC LTD	1	1982

Locations

Location	Patents	Span
Yamanashi, JP	18	1991–2007
Minamitsuru-gun, JP	5	1994–2006
Hachioji, JP	2	1982–1989
Nishikamo-gun, JP	1	1999
Kawaguchiko-machi, JP	1	1999