Inventor
KOJIMA CHIAKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA CHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
21 patentsUS4458980AJul 10, 1984
Optical reproducing head
SONY CORP56 citations96
US4253723AMar 3, 1981
Apparatus for optically reading information from a record carrier
SONY CORP61 citations96
US5900619AMay 4, 1999
Optical device comprising a photodetector for detecting light scattered outside a diffraction limit of an objective lens
SONY CORP22 citations92
US5396061AMar 7, 1995
Opto-magnetic recording polarization optical apparatus having a light absorbing film and a total reflection film
SONY CORP20 citations92
US4842968AJun 27, 1989
Hologram recording medium
SONY CORP49 citations92
US4150398AApr 17, 1979
Linear method of optically recording a video or other signal
SONY CORP54 citations92
US5350917ASep 27, 1994
Opto-magnetic recording polarization optical apparatus including a laser diode and a light absorbing film
SONY CORP17 citations82
US4157568AJun 5, 1979
Method and apparatus for optically reproducing a rotatable record with a scanning light beam of changing size
SONY CORP19 citations82
US4312559AJan 26, 1982
Method of producing an inline hologram lens
SONY CORP25 citations81
US6134208AOct 17, 2000
Optical pickup device with a plurality of laser couplers
SONY CORP10 citations74
US6091689AJul 18, 2000
Optical pickup device with a plurality of laser couplers
SONY CORP11 citations74
US5867469AFeb 2, 1999
Optical pickup device with biaxial drive for objective lens
SONY CORP9 citations74
US4152726AMay 1, 1979
Record disk and method for producing the same with constant width groove
SONY CORP15 citations73
US4142210AFeb 27, 1979
Rotatable record carrier and method and apparatus for producing same
SONY CORP17 citations73
US4393126AJul 12, 1983
Method for manufacturing in-line hologram lens
SONY CORP7 citations70
US7038994B1May 2, 2006
Optical pickup device with a plurality of laser couplers
SONY CORP4 citations63
US6504812B2Jan 7, 2003
Optical pickup device with a plurality of laser couplers
SONY CORP5 citations63
US5852287ADec 22, 1998
Semiconductor optical device for code reader
SONY CORP6 citations63
US4107729AAug 15, 1978
Method and apparatus for reproducing signals from a rotating record medium and method and apparatus for making same
SONY CORP4 citations62
US4603938AAug 5, 1986
Method of producing inline hologram lens
SONY CORP6 citations56
US7113471B2Sep 26, 2006
Optical pickup device with a plurality of laser couplers
SONY CORP0 citations52
SUMITOMO ELECTRIC INDUSTRIES
9 patentsUS11289241B2Mar 29, 2022
Shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES5 citations84
US11715582B2Aug 1, 2023
Shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US10957466B1Mar 23, 2021
Shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US11410790B2Aug 9, 2022
Substrate-mounted electrical connector for connecting to a shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11145437B2Oct 12, 2021
Shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US10726971B2Jul 28, 2020
Shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US12033771B2Jul 9, 2024
Shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11875912B2Jan 16, 2024
Shielded flat cable
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11244772B2Feb 8, 2022
Flat cable and method of manufacturing flat cable
SUMITOMO ELECTRIC INDUSTRIES0 citations52