Inventor
Keishi Matsumoto
Inventor
Takarazuka, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions11%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions11%
E21BEarth or rock drilling8%
F16LPipes8%
G11BInformation storage based on relative movement between record carrier and transducer7%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
C23CCoating metallic material6%
Y10TTechnical subjects covered by former us classification6%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling4%
B05DProcesses for applying fluent materials to surfaces, in general3%
PatentTitleYear
10,626,345Threaded joint for pipes20209,725,671'Lubricant film-forming composition and screw joint for steel pipe'20179,321,982'Threaded joint for pipes'20169,277,600'Stator coil heating apparatus and stator coil heating method'20169,120,136'Drawing method of metallic tube and producing method of metallic tube using same'20158,846,152'Antioxidant agent and process for producing metallic material'20148,815,347'Antioxidant agent and process for producing metallic material'20148,671,727'Methods for producing blank tube for cold drawing and for producing cold drawn tube'20148,586,644'Photocurable composition suitable for rust prevention of a threaded joint for steel pipes'20138,557,750'Threaded joint for pipes'20138,411,883'Loudspeaker apparatus and speaker system'20138,327,676'Upper-end formed glass complex for hot expanding piercing and method of manufacturing billet for hot extrusion pipe making'20127,360,798'Threaded joint for steel pipes'20087,272,089'Optical disc recording under adjustable conditions'20077,200,080'Optical disk recorder with reproduction quality control'20077,046,599'Optical disc recording method and optical disc recording apparatus for setting optimal recording power to record data'20067,046,600'Optical disc apparatus with laser power control matching linear recording velocity'20066,975,572'Optical disc apparatus with regulation of recording velocity and laser power'20056,659,509'Threaded joint for steel pipes'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2017Based in Takarazuka, JP· patent location history
2005–2013Patents assigned to YAMAHA CORP (6)· patent assignee history
2005–2013Based in Hamamatsu, JP· patent location history
2008–2016Patents assigned to VALLOUREC MANNESMANN OIL & GAS (4)· patent assignee history
2012–2016Patents assigned to MATSUMOTO KEISHI (9)· patent assignee history
2012Based in Osaka, JP· patent location history
2013–2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (9)· patent assignee history
2013–2016Patents assigned to GOTO KUNIO (3)· patent assignee history
2014–2020Based in Tokyo, JP· patent location history
2016Based in Yao, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUMOTO KEISHIself | 9 | 2012–2016 |
| NIPPON STEEL & SUMITOMO METAL CORP | 9 | 2013–2020 |
| YAMAHA CORP | 6 | 2005–2013 |
| VALLOUREC MANNESMANN OIL & GAS | 4 | 2008–2016 |
| GOTO KUNIO | 3 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Takarazuka, JP | 8 | 2003–2017 |
| Hamamatsu, JP | 5 | 2005–2013 |
| Tokyo, JP | 3 | 2014–2020 |
| Yao, JP | 1 | 2016 |
| Osaka, JP | 1 | 2012 |