Inventor

Hiroji Sato

Inventor

Tokyo, JP

Overview

17→

Patents

1999–2012

Patent span

Performing operations

Primary field (CPC B)

Patents· 17 as inventor

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

B01Dprimary

B01DSeparation14%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof14%

H01FMagnets14%

A47BTables11%

B22FWorking metallic powder8%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof8%

B08BCleaning in general6%

E05FDevices for moving wings into open or closed position6%

Y10TTechnical subjects covered by former us classification6%

B82YSpecific uses or applications of nanostructures3%

PatentTitleYear

8,173,013'Fuel filter'2012 8,052,868'Fuel filter device'2011 7,901,572'Fuel filter apparatus'2011 7,478,729'Fuel-filtering device'2009 7,431,410'Sliding assisting apparatus'2008 7,393,068'Sliding assisting apparatus'2008 7,281,773'Sliding assisting apparatus'2007 7,240,978'Sliding assisting device'2007 7,029,582'Fuel filter device'2006 6,929,025'Two-way valve'2005 6,618,889'Disk-shaped workpiece washing apparatus'2003 6,368,551'Method for preparation of sintered permanent magnet'2002 6,163,916'Cleaning apparatus for disk-shaped workpieces'2000 6,103,021'Method of preparing raw material powder for permanent magnets superior in moldability'2000 6,051,077'Raw material powder for modified permanent magnets and production method of the same'2000 5,942,053'Composition for permanent magnet'1999 5,865,873'Method of preparing raw material powder for permanent magnets superior in moldability'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2002Patents assigned to SANEI KASEI CO LTD (5)· patent assignee history

1999–2000Patents assigned to KOMEYA INC (2)· patent assignee history

1999–2012Based in Tokyo, JP· patent location history

1999–2000Based in Minato-ku, JP· patent location history

2000–2003Patents assigned to SPEEDFAM CLEAN SYSTEM CO LTD (2)· patent assignee history

2000Patents assigned to KAWASAKI TEITOKU CO LTD (1)· patent assignee history

2000–2003Based in Ayase, JP· patent location history

2005–2012Patents assigned to NIFCO INC (10)· patent assignee history

2011Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIFCO INC	10	2005–2012
SANEI KASEI CO LTD	5	1999–2002
KOMEYA INC	2	1999–2000
SPEEDFAM CLEAN SYSTEM CO LTD	2	2000–2003
KAWASAKI TEITOKU CO LTD	1	2000

Locations

Location	Patents	Span
Tokyo, JP	12	1999–2012
Ayase, JP	2	2000–2003
Minato-ku, JP	2	1999–2000
Yokohama, JP	1	2011