Inventor
Ryo Akiyama
Inventor
Hirakata, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Cprimary
F02CGas-turbine plants14%
F01DNon-positive displacement machines or engines, e.g. steam turbines12%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants11%
G11BInformation storage based on relative movement between record carrier and transducer11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C07CAcyclic or carbocyclic compounds7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
G06KGraphical data reading4%
PatentTitleYear
9,863,315'Gas turbine and operation method of gas turbine'20189,217,368'Gas turbine, exhaust diffuser, and method of modifying gas turbine plant'20158,613,186'Two-shaft gas turbine'20138,318,967'Polysilane-supported transition metal catalyst for liquid phase reaction'20128,110,519'Polymer-supported metal cluster composition'20127,732,638'Method of amidocarbonylation reaction'20107,470,646'Polymer incarcerated Lewis acid metal catalyst'20087,452,181'Plant facility'20086,860,110'Gas turbine shaft and heat shield cooling arrangement'20056,655,153'Gas turbine shaft and heat shield cooling arrangement'20036,514,038'Turbine rotor, cooling method of turbine blades of the rotor and gas turbine with the rotor'20036,334,756'Turbine rotor, cooling method of turbine blades of the rotor and gas turbine with the rotor'20025,382,776'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'19955,250,787'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'19935,117,410'Optical disc apparatus with rapid and stable accessing capability'19925,073,881'Optical disc apparatus with rapid and stable accessing capability'19914,864,553'Apparatus for controlling rotation of a run length limited code modulated information recording medium'19894,809,094'Method of accessing data recorded on a disk at a high speed'19894,360,767'Motor speed control apparatus'19824,211,967'Motor speed adjusting apparatus'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1995Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1980–1982Based in Sakai, JP· patent location history
1989–1995Based in Hirakata, JP· patent location history
2002–2013Patents assigned to HITACHI LTD (6)· patent assignee history
2002–2005Based in Hitachi, JP· patent location history
2008–2012Patents assigned to JAPAN SCIENCE & TECH AGENCY (4)· patent assignee history
2008–2018Based in Tokyo, JP· patent location history
2008–2015Based in Hitachinaka, JP· patent location history
2012–2015Patents assigned to AKIYAMA RYO (4)· patent assignee history
2012Patents assigned to KOBAYASHI SHU (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 8 | 1980–1995 |
| HITACHI LTD | 6 | 2002–2013 |
| AKIYAMA RYOself | 4 | 2012–2015 |
| JAPAN SCIENCE & TECH AGENCY | 4 | 2008–2012 |
| KOBAYASHI SHU | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hirakata, JP | 6 | 1989–1995 |
| Tokyo, JP | 5 | 2008–2018 |
| Hitachi, JP | 4 | 2002–2005 |
| Hitachinaka, JP | 3 | 2008–2015 |
| Sakai, JP | 2 | 1980–1982 |