Inventor
OKAMOTO KAZUHIRO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
7 patentsUS6614976B2Sep 2, 2003
Optical fiber having a large positive dispersion
SUMITOMO ELECTRIC INDUSTRIES18 citations91
US6337942B1Jan 8, 2002
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES23 citations91
US4979900ADec 25, 1990
Root canal sterilization method
SUMITOMO ELECTRIC INDUSTRIES28 citations86
US6731847B1May 4, 2004
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES13 citations82
US7561769B2Jul 14, 2009
Optical fiber for irradiation-light transfer and light irradiation device equipped with the same
SUMITOMO ELECTRIC INDUSTRIES13 citations79
US5416467AMay 16, 1995
Security system utilizing loosely contained optical fiber
SUMITOMO ELECTRIC INDUSTRIES16 citations69
US6865019B2Mar 8, 2005
Amplification optical fiber and fiber optic amplifier including the same
SUMITOMO ELECTRIC INDUSTRIES0 citations51
OKAMOTO KAZUHIRO
6 patentsUS8291335B2Oct 16, 2012
Electronic bulletin apparatus
OKAMOTO KAZUHIRO8 citations83
US9502703B2Nov 22, 2016
Laminated microporous film, battery separator, and non-aqueous electrolyte battery
OKAMOTO KAZUHIRO2 citations62
US8410502B2Apr 2, 2013
Light-emitting device, planar light source including the light-emitting device, and liquid crystal display device including the planar light source
OKAMOTO KAZUHIRO3 citations61
US8107185B2Jan 31, 2012
Magnetic disk device including a sensor in a case
OKAMOTO KAZUHIRO5 citations59
US8519052B2Aug 27, 2013
Composition for coating and molded product using the same
OKAMOTO KAZUHIRO1 citations49
US9085095B2Jul 21, 2015
Thermoplastic resin composition for blow molding and blow molded articles thereof
OKAMOTO KAZUHIRO0 citations37
KYOCERA DOCUMENT SOLUTIONS INC
6 patentsUS11131956B2Sep 28, 2021
Image forming apparatus including waste developer container
KYOCERA DOCUMENT SOLUTIONS INC0 citations62
US12298678B2May 13, 2025
Transfer unit and image forming apparatus therewith
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11782359B2Oct 10, 2023
Developer storing apparatus and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11650535B2May 16, 2023
Toner collection device and image forming apparatus therewith
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11262687B2Mar 1, 2022
Waste toner storage case, image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US10764459B2Sep 1, 2020
Image reading apparatus capable of shielding illumination light not to leak outside
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
SHARP KK
3 patentsUS7236215B2Jun 26, 2007
Liquid crystal display device having small picture frame region
SHARP KK10 citations83
US6865658B2Mar 8, 2005
Nonvolatile data management system using data segments and link information
SHARP KK17 citations82
US8368923B2Feb 5, 2013
Image forming apparatus and image forming system
SHARP KK0 citations42