P

Inventor

MURAKAMI YASUO

JP87 patents
⚠️ This page may combine multiple inventors who share the name “MURAKAMI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NSK LTD

22 patents
US6342109B1Jan 29, 2002

Rolling bearing

NSK LTD54 citations96
US6224688B1May 1, 2001

Rolling bearing

NSK LTD75 citations96
US5413643AMay 9, 1995

Rolling bearing

NSK LTD64 citations96
US7006953B2Feb 28, 2006

Method and apparatus for predicting the life of a rolling bearing, rolling bearing selection apparatus using the life prediction apparatus, and storage medium

NSK LTD35 citations93
US6572270B2Jun 3, 2003

Rolling bearing unit

NSK LTD44 citations93
US6440232B1Aug 27, 2002

Toroidal-type continuously variable transmission

NSK LTD46 citations93
US6699335B2Mar 2, 2004

Machine part

NSK LTD26 citations92
US5456538AOct 10, 1995

Roller bearing

NSK LTD37 citations92
US5427457AJun 27, 1995

Rolling bearing

NSK LTD51 citations92
US5352303AOct 4, 1994

Rolling bearing

NSK LTD71 citations92
US5147140ASep 15, 1992

Ball-and-roller bearing

NSK LTD32 citations92
US6332714B1Dec 25, 2001

Induction-hardened rolling bearing device

NSK LTD22 citations91
US6082906AJul 4, 2000

Rolling bearing

NSK LTD26 citations86
US6565677B1May 20, 2003

Rolling bearing

NSK LTD17 citations84
US6152605ANov 28, 2000

Ball bearing

NSK LTD17 citations84
US6531000B1Mar 11, 2003

Surface treated rolling bearing and manufacturing method thereof

NSK LTD15 citations82
US6725720B2Apr 27, 2004

Rolling bearing, and method of ultrasonically detecting flaws in bearing raceway ring of rolling bearing

NSK LTD10 citations74
US6602360B2Aug 5, 2003

Rolling bearing

NSK LTD8 citations74
US6267511B1Jul 31, 2001

Rolling bearing

NSK LTD10 citations74
US5853660ADec 29, 1998

Rolling bearing made of improved bearing steel

NSK LTD10 citations74
US5567508AOct 22, 1996

Rolling bearing with surface hardened layer

NSK LTD13 citations74
US5411336AMay 2, 1995

Roling bearing

NSK LTD9 citations74

NIPPON SEIKO KK

7 patents
US5137375AAug 11, 1992

Rolling bearing

NIPPON SEIKO KK64 citations95
US4930909AJun 5, 1990

Rolling bearing

NIPPON SEIKO KK70 citations95
US4486026ADec 4, 1984

Sealing and bearing means by use of ferrofluid

NIPPON SEIKO KK77 citations95
US5030017AJul 9, 1991

Rolling bearing

NIPPON SEIKO KK41 citations93
US4871268AOct 3, 1989

Rolling bearing

NIPPON SEIKO KK48 citations92
US4904094AFeb 27, 1990

Ball-and-roller bearing system

NIPPON SEIKO KK40 citations91
US4598914AJul 8, 1986

Sealing and bearing means by use of ferrofluid

NIPPON SEIKO KK23 citations81

NIPPON KAYAKU KK

7 patents
US6648952B1Nov 18, 2003

Anthrapyridone compound, aqueous magenta ink compositions and ink-jet recording method

NIPPON KAYAKU KK21 citations92
US6471760B1Oct 29, 2002

Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet recording

NIPPON KAYAKU KK38 citations92
US7691191B2Apr 6, 2010

Anthrapyridone compound, salt thereof, magenta ink composition and colored product

NIPPON KAYAKU KK13 citations84
US7678185B2Mar 16, 2010

Anthrapyridone compound or salt thereof, magenta ink composition containing the same, and colored product

NIPPON KAYAKU KK9 citations84
US7297196B2Nov 20, 2007

Anthrapyridone compound, water-based magenta ink composition and inkjet recording method

NIPPON KAYAKU KK17 citations84
US7223301B2May 29, 2007

Anthrapyridone compound, water-based magenta ink composition and inkjet recording method

NIPPON KAYAKU KK15 citations84
US7785411B2Aug 31, 2010

Anthrapyridone compound or salt thereof, magenta ink composition and colored product

NIPPON KAYAKU KK9 citations83

NISSIN ELECTRIC CO LTD

3 patents
US6503579B1Jan 7, 2003

Plasma CVD method, plasma CVD apparatus, and electrode

NISSIN ELECTRIC CO LTD48 citations92
US6652969B1Nov 25, 2003

Carbon film method for formation thereof and article covered with carbon film and method for preparation thereof

NISSIN ELECTRIC CO LTD39 citations89
US7169473B2Jan 30, 2007

Carbon film-coated article and method of producing the same

NISSIN ELECTRIC CO LTD6 citations74

HITACHI LTD

3 patents
US6603767B1Aug 5, 2003

Cell exchanging device

HITACHI LTD18 citations83
US6597696B1Jul 22, 2003

Variable length packet switch

HITACHI LTD16 citations81
US6556567B1Apr 29, 2003

Method and system for multiplexing packets

HITACHI LTD18 citations78

MITSUBISHI ELECTRIC CORP

2 patents
US5434484AJul 18, 1995

Raster left-and-right distortions correcting apparatus

MITSUBISHI ELECTRIC CORP20 citations93
US5473223ADec 5, 1995

Vertical deflection waveform generating apparatus

MITSUBISHI ELECTRIC CORP13 citations74

RICOH KK

2 patents
US5631404AMay 20, 1997

Diamine compounds for use in electrophotographic photoconductors

RICOH KK12 citations74
US5489495AFeb 6, 1996

Electrophotographic photoconductor and diamine compounds for use in the same

RICOH KK15 citations74

NIPPON STEEL CORP

1 patent
US5347098ASep 13, 1994

Method of welding nickel or nickel alloy products

NIPPON STEEL CORP38 citations89

NEC MITSUBISHI ELECTRIC VISUAL

1 patent
US6686969B1Feb 3, 2004

Display device

NEC MITSUBISHI ELECTRIC VISUAL13 citations79

AICHI SANGYO KK

1 patent
US5149939ASep 22, 1992

Automatic welding apparatus

AICHI SANGYO KK19 citations79

HODOGAYA CHEMICAL CO LTD

1 patent
US5512400AApr 30, 1996

Hydrazone compound and electrophotographic photoreceptor and organic electroluminescent element both containing the same

HODOGAYA CHEMICAL CO LTD5 citations74

Showing the top 50 of 87 patents by PatentIndex Score.