Inventor
AKIYAMA RYO
22 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA RYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS5250787AOct 5, 1993
Optical-disk playback apparatus, method of optical-disk playback and combined memory medium, having control programs stored in the optical-disc and specified by barcodes stored in a barcode memory medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations94
US5382776AJan 17, 1995
Combination of an optical-disk and barcode memory medium for use with an optical disk playback apparatus, having control programs stored in the optical-disk and specified by barcodes stored in the barcode memory medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81 citations92
US5117410AMay 26, 1992
Optical disc apparatus with rapid and stable accessing capability
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82
US4211967AJul 8, 1980
Motor speed adjusting apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations82
US4360767ANov 23, 1982
Motor speed control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74
US5073881ADec 17, 1991
Optical disc apparatus with rapid and stable accessing capability
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US4809094AFeb 28, 1989
Method of accessing data recorded on a disk at a high speed
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US4864553ASep 5, 1989
Apparatus for controlling rotation of a run length limited code modulated information recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations56
HITACHI LTD
5 patentsUS6514038B2Feb 4, 2003
Turbine rotor, cooling method of turbine blades of the rotor and gas turbine with the rotor
HITACHI LTD16 citations92
US6334756B1Jan 1, 2002
Turbine rotor, cooling method of turbine blades of the rotor and gas turbine with the rotor
HITACHI LTD19 citations92
US7452181B2Nov 18, 2008
Plant facility
HITACHI LTD9 citations84
US6860110B2Mar 1, 2005
Gas turbine shaft and heat shield cooling arrangement
HITACHI LTD11 citations74
US6655153B2Dec 2, 2003
Gas turbine shaft and heat shield cooling arrangement
HITACHI LTD12 citations74
KOBAYASHI SHU
2 patentsJAPAN SCIENCE & TECH AGENCY
2 patentsMITSUBISHI HEAVY IND LTD
2 patentsUS12258902B2Mar 25, 2025
Gas turbine cogeneration system, method of operating gas turbine cogeneration system, and method of modifying gas turbine cogeneration system
MITSUBISHI HEAVY IND LTD0 citations51
US12221923B2Feb 11, 2025
Gas turbine cogeneration system and method of operating the same
MITSUBISHI HEAVY IND LTD0 citations51