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Assignee profile:

NIPPON PISTON RING CO., LTD

City:

Saitama

Country:

Japan

Published Applications:

37

Last publication date:

2024-05-16

Patent Grants:

33

Last grant date:

2026-01-06

Top Inventors for applications by NIPPON PISTON RING CO., LTD

These are the the leading inventors for applications assigned to NIPPON PISTON RING CO., LTD:

Recent patent applications by NIPPON PISTON RING CO., LTD

NIPPON PISTON RING CO., LTD based in Saitama, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2024-05-16 ✅ Patent 12,516,731 granted on 2026-01-06
US20240159313A1
Mechanical engineering

SLIDING MEMBER, MANUFACTURING METHOD THEREOF, AND COATING FILM

 #2 | 2023-02-09 ✅ Patent 11,846,009 granted on 2023-12-19
US20230038356A1
Chemistry; metallurgy

Hard particle powder for sintered body

 #3 | 2022-12-15 ✅ Patent 11,946,010 granted on 2024-04-02
US20220396746A1
Chemistry; metallurgy

Sliding member, manufacturing method thereof, and coating film

 #4 | 2022-08-04 ✅ Patent 11,859,766 granted on 2024-01-02
US20220243872A1
Mechanical engineering

Fusible plug

 #5 | 2022-03-24 ✅ Patent 11,873,780 granted on 2024-01-16
US20220090558A1
Mechanical engineering

Combined oil ring

 #6 | 2022-01-06 ✅ Patent 11,739,840 granted on 2023-08-29
US20220003316A1
Mechanical engineering

Piston ring

 #7 | 2021-07-15 ✅ Patent 11,549,408 granted on 2023-01-10
US20210215071A1
Mechanical engineering

Iron-based sintered alloy valve seat for internal combustion engine

 #8 | 2020-09-24 ✅ Patent 11,692,248 granted on 2023-07-04
US20200299812A1
Chemistry; metallurgy

Sliding member

 #9 | 2020-07-09 ✅ Patent 11,293,548 granted on 2022-04-05
US20200217416A1
Mechanical engineering

Sliding member and coating film

 #10 | 2020-03-12 ✅ Patent 11,047,479 granted on 2021-06-29
US20200080638A1
Mechanical engineering

Method for producing piston ring with recess

 #11 | 2018-12-27 ✅ Patent 11,261,519 granted on 2022-03-01
US20180371608A1
Chemistry; metallurgy

Coating film, manufacturing method therefor, and PVD apparatus

 #12 | 2018-05-31 ✅ Patent 10,605,374 granted on 2020-03-31
US20180149280A1
Mechanical engineering

Valve seat insert excellent in wear resistance made of iron-base sintered alloy for internal combustion engines, and assembly of valve seat insert and valve

 #13 | 2018-02-22 ✅ Patent 10,520,085 granted on 2019-12-31
US20180051806A1
Mechanical engineering

Combined oil ring

 #14 | 2017-11-16 ✅ Patent 10,669,613 granted on 2020-06-02
US20170327928A1
Chemistry; metallurgy

Titanium alloy

 #15 | 2017-10-26 ✅ Patent 10,457,885 granted on 2019-10-29
US20170306257A1
Chemistry; metallurgy

Coating film, manufacturing method for same, and PVD device

 #16 | 2017-10-05 ✅ Patent 10,428,416 granted on 2019-10-01
US20170283935A1
Chemistry; metallurgy

Coating film, manufacturing method for same, and PVD device

 #17 | 2017-06-22 ✅ Patent 10,273,838 granted on 2019-04-30
US20170175596A1
Mechanical engineering

Valve seat insert for internal combustion engine having excellent wear resistance

 #18 | 2016-11-10 ✅ Patent 10,287,933 granted on 2019-05-14
US20160326919A1
Mechanical engineering

Assembly of internal combustion engine valve and valve seat

 #19 | 2015-12-24 ✅ Patent 10,428,700 granted on 2019-10-01
US20150369090A1
Mechanical engineering

Highly wear-resistant valve seat for use in internal combustion engine

 #20 | 2015-10-01 ✅ Patent 9,803,268 granted on 2017-10-31
US20150275343A1
Chemistry; metallurgy

Iron-base sintered alloy material for valve seat insert and method for manufacturing the same

 #21 | 2014-03-06 ✅ Patent 9,528,606 granted on 2016-12-27
US20140062030A1
Mechanical engineering

Combined oil ring

 #22 | 2013-11-21 ✅ Patent 9,752,214 granted on 2017-09-05
US20130309518A1
Chemistry; metallurgy

Titanium alloy

 #23 | 2013-09-12
US20130234400A1
Mechanical engineering

PISTON RING

 #24 | 2013-07-25 ✅ Patent 8,952,589 granted on 2015-02-10
US20130187488A1
Electricity

Rotating electrical machine

 #25 | 2013-07-18 ✅ Patent 8,820,750 granted on 2014-09-02
US20130181410A1
Mechanical engineering

Internal combustion engine oil ring

 #26 | 2013-02-28
US20130049305A1
Mechanical engineering

INTERNAL COMBUSTION ENGINE OIL RING

 #27 | 2012-10-18 ✅ Patent 10,030,772 granted on 2018-07-24
US20120261886A1
Mechanical engineering

Multi-piece oil ring

 #28 | 2012-08-16
US20120205876A1
Mechanical engineering

PISTON RING

 #29 | 2011-02-03 ✅ Patent 8,733,313 granted on 2014-05-27
US20110023808A1
Mechanical engineering

Iron-based sintered alloy for valve seat, and valve seat for internal combustion engine

 #30 | 2010-12-23
US20100319647A1
Chemistry; metallurgy

COMBINATION STRUCTURE OF PISTON RING AND CYLINDER LINER FOR INTERNAL COMBUSTION ENGINE

 #31 | 2009-02-26 ✅ Patent 8,181,968 granted on 2012-05-22
US20090051122A1
Mechanical engineering

Piston ring

 #32 | 2008-07-17 ✅ Patent 7,510,196 granted on 2009-03-31
US20080169612A1
Mechanical engineering

Oil ring for internal combustion engine

 #33 | 2008-03-06 ✅ Patent 7,493,882 granted on 2009-02-24
US20080053396A1
Mechanical engineering

Combination of a cylinder liner and a piston ring

 #34 | 2007-04-05 ✅ Patent 7,629,057 granted on 2009-12-08
US20070077448A1
Performing operations; transporting

Iron species preform

 #35 | 2006-03-21 ✅ Patent 7,014,677 granted on 2006-03-21
US10743325
-

Iron based sintered body excellent in enveloped casting property in light metal alloy and method for producing the same

 #36 | 2005-09-22 ✅ Patent 7,166,255 granted on 2007-01-23
US20050207932A1
Mechanical engineering

Method for manufacturing a cam

 #37 | 2005-02-08 ✅ Patent 6,852,008 granted on 2005-02-08
US10255947
-

Method and apparatus for discharging works from a centerless grinder

Also check out NIPPON PISTON RING CO., LTD.'s (Saitama, Japan) applicant profile with 22 patent applications submitted.

AssigneeID:

11170 ⎘