Inventor
KITAMURA SHOJIRO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KITAMURA SHOJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
23 patentsUS6999685B1Feb 14, 2006
Polarized light communication device, transmitter, laser, polarized light communication device for physiological use, reflected light detector and pulse wave detecting device
SEIKO EPSON CORP54 citations96
US6687268B2Feb 3, 2004
Surface emitting laser and photodiode, manufacturing method therefor, and optoelectric integrated circuit using the surface emitting laser and the photodiode
SEIKO EPSON CORP54 citations96
US5986996ANov 16, 1999
Optical pick-up and optical recording system
SEIKO EPSON CORP62 citations96
US7104703B2Sep 12, 2006
Optical transceiver and method for producing the same
SEIKO EPSON CORP39 citations92
US6628214B1Sep 30, 2003
Deserializer, semiconductor device, electronic device, and data transmission system
SEIKO EPSON CORP37 citations92
US6310707B1Oct 30, 2001
Optical wireless data communication system, and transmitter and receiver used therefor
SEIKO EPSON CORP36 citations92
US7154921B2Dec 26, 2006
Light emitting element driving circuit, communication device and light emitting element driving method
SEIKO EPSON CORP22 citations90
US6793405B1Sep 21, 2004
Optical module
SEIKO EPSON CORP18 citations84
US6425695B1Jul 30, 2002
Optical module and method of manufacturing the same
SEIKO EPSON CORP18 citations84
US6219133B1Apr 17, 2001
Spatial optical transmission device and method of spatial optical transmission
SEIKO EPSON CORP20 citations84
US6695492B2Feb 24, 2004
Optical module and production method therefor
SEIKO EPSON CORP8 citations73
US12436006B2Oct 7, 2025
Sensor device and electronic apparatus
SEIKO EPSON CORP0 citations62
US12031847B2Jul 9, 2024
Sensor device and electronic apparatus
SEIKO EPSON CORP0 citations62
US11709079B2Jul 25, 2023
Sensor device and electronic apparatus
SEIKO EPSON CORP0 citations62
US11215484B2Jan 4, 2022
Sensor device and electronic apparatus
SEIKO EPSON CORP0 citations62
US7034775B2Apr 25, 2006
Display device and method for manufacturing the same
SEIKO EPSON CORP6 citations62
US6877911B2Apr 12, 2005
Optical-fiber supporting member and optical transmission device using the same
SEIKO EPSON CORP4 citations62
US7106976B2Sep 12, 2006
Optical transmitter
SEIKO EPSON CORP4 citations59
US10612948B2Apr 7, 2020
Sensor device and electronic apparatus
SEIKO EPSON CORP0 citations52
US10107653B2Oct 23, 2018
Sensor device and electronic apparatus
SEIKO EPSON CORP0 citations52
US9541397B2Jan 10, 2017
Sensor device, and electronic apparatus
SEIKO EPSON CORP0 citations52
US10113875B2Oct 30, 2018
Module and electronic apparatus
SEIKO EPSON CORP0 citations51
US10072954B2Sep 11, 2018
Module and electronic apparatus
SEIKO EPSON CORP0 citations51
SAKUMA MASAYASU
5 patentsUS8960000B2Feb 24, 2015
Sensor device, and electronic apparatus
SAKUMA MASAYASU13 citations91
US9243909B2Jan 26, 2016
Module and electronic apparatus
SAKUMA MASAYASU2 citations60
US9052220B2Jun 9, 2015
Maintaining member, module, and electronic apparatus
SAKUMA MASAYASU3 citations60
US9250260B2Feb 2, 2016
Sensor device, and electronic apparatus
SAKUMA MASAYASU0 citations51
US9316499B2Apr 19, 2016
Module and electronic apparatus
SAKUMA MASAYASU0 citations49