Inventor
MITAMURA NOBUAKI
JP72 patents
⚠️ This page may combine multiple inventors who share the name “MITAMURA NOBUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NSK LTD
24 patentsUS5413643AMay 9, 1995
Rolling bearing
NSK LTD64 citations96
US5338377AAug 16, 1994
Ball-and-roller bearing
NSK LTD92 citations96
US6066068AMay 23, 2000
Toroidal type continuously variable transmission
NSK LTD28 citations93
US5626974AMay 6, 1997
Rolling bearing for use under high temperature conditions
NSK LTD26 citations93
US5855531AJan 5, 1999
Component parts of a toroidal-type continuously variable transmission having improved life
NSK LTD19 citations92
US5672014ASep 30, 1997
Rolling bearings
NSK LTD51 citations92
US5660647AAug 26, 1997
Rolling bearing with improved wear resistance
NSK LTD26 citations92
US5427457AJun 27, 1995
Rolling bearing
NSK LTD51 citations92
US6332714B1Dec 25, 2001
Induction-hardened rolling bearing device
NSK LTD22 citations91
US6171414B1Jan 9, 2001
Rolling bearing
NSK LTD15 citations84
US6152605ANov 28, 2000
Ball bearing
NSK LTD17 citations84
US6328669B1Dec 11, 2001
Toroidal type continuously variable transmission
NSK LTD12 citations74
US6176806B1Jan 23, 2001
Cam disk for toroidal type continuously variable transmission
NSK LTD8 citations74
US6174257B1Jan 16, 2001
Toroidal type continuously variable transmission
NSK LTD8 citations74
US6174258B1Jan 16, 2001
Toroidal-type continuously variable transmission
NSK LTD7 citations74
US5853660ADec 29, 1998
Rolling bearing made of improved bearing steel
NSK LTD10 citations74
US6478894B1Nov 12, 2002
Rolling bearing
NSK LTD9 citations73
US6165100ADec 26, 2000
High-cleanness steel and toroidal type continuously variable transmission including components such as input/output discs, power roller and cam disc using the high-cleanness steel
NSK LTD10 citations73
US5989694ANov 23, 1999
Rolling bearing
NSK LTD12 citations73
US6196946B1Mar 6, 2001
Power roller bearing of toroidal type continuously variable transmission and method of manufacturing power roller bearing of toroidal type continuously variable transmission
NSK LTD12 citations72
USRE48336EDec 1, 2020
Rolling apparatus
NSK LTD2 citations71
US7137741B2Nov 21, 2006
Rolling bearing
NSK LTD2 citations63
US6413188B2Jul 2, 2002
Toroidal type continuously variable transmission
NSK LTD3 citations63
US6923576B2Aug 2, 2005
Rolling bearing and belt continuously variable transmission
NSK LTD6 citations62
FUJITSU LTD
9 patentsUS7304798B2Dec 4, 2007
Spectroscopic apparatus
FUJITSU LTD133 citations97
US6646805B2Nov 11, 2003
Apparatus for variable wavelength dispersion and wavelength dispersion slope
FUJITSU LTD47 citations92
US7438479B2Oct 21, 2008
Optical receptacle, optical sub assembly and optical transceiver
FUJITSU LTD11 citations84
US7340126B2Mar 4, 2008
Wavelength selective optical switch
FUJITSU LTD14 citations84
US6829053B1Dec 7, 2004
Airgap type etalon and apparatus utilizing the same
FUJITSU LTD14 citations83
US6807008B2Oct 19, 2004
Wavelength dispersion generation apparatus, multi-faced mirror used for wavelength dispersion generation apparatus, and method for manufacturing thereof
FUJITSU LTD7 citations74
US6931165B2Aug 16, 2005
Variable polarization plane rotator and optical device using same
FUJITSU LTD10 citations73
US6826318B2Nov 30, 2004
Variable polarization plane rotator and optical device using same
FUJITSU LTD8 citations73
US7712972B2May 11, 2010
Optical receptacle
FUJITSU LTD2 citations63
SHINETSU HANDOTAI KK
6 patentsUS7294196B2Nov 13, 2007
Silicon single crystal wafer, an epitaxial wafer and a method for producing a silicon single crystal
SHINETSU HANDOTAI KK9 citations74
US7226507B2Jun 5, 2007
Method for producing single crystal and single crystal
SHINETSU HANDOTAI KK9 citations74
US7129123B2Oct 31, 2006
SOI wafer and a method for producing an SOI wafer
SHINETSU HANDOTAI KK8 citations74
US5887015AMar 23, 1999
Heater mechanism for crystal pulling apparatus
SHINETSU HANDOTAI KK8 citations72
US7407866B2Aug 5, 2008
Soi wafer and a method for producing the same
SHINETSU HANDOTAI KK2 citations63
US7323048B2Jan 29, 2008
Method for producing a single crystal and a single crystal
SHINETSU HANDOTAI KK4 citations63
FUJITSU OPTICAL COMPONENTS LTD
4 patentsUS12242143B2Mar 4, 2025
Optical device and optical communication apparatus
FUJITSU OPTICAL COMPONENTS LTD2 citations74
US11442298B2Sep 13, 2022
Optical modulation device and method for manufacturing optical modulation device
FUJITSU OPTICAL COMPONENTS LTD5 citations73
US12153294B2Nov 26, 2024
Optical device having dual waveguides with one being an electro-optic crystal waveguide
FUJITSU OPTICAL COMPONENTS LTD2 citations72
US11709384B2Jul 25, 2023
Multilayer film, optical device, photonic integrated circuit device, and optical transceiver
FUJITSU OPTICAL COMPONENTS LTD1 citations63
NIPPON SEIKO KK
3 patentsOLYMPUS OPTICAL CO
3 patentsUS5958155ASep 28, 1999
Process for producing thin film
OLYMPUS OPTICAL CO23 citations92
US6358440B1Mar 19, 2002
Process for producing thin film, thin film and optical instrument including the same
OLYMPUS OPTICAL CO4 citations74
US6210542B1Apr 3, 2001
Process for producing thin film, thin film and optical instrument including the same
OLYMPUS OPTICAL CO5 citations74
UEDA KOJI
1 patentShowing the top 50 of 72 patents by PatentIndex Score.