Inventor
Seiji Sugiyama
Inventor
Tokyo, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals12%
C23CCoating metallic material9%
Y10TTechnical subjects covered by former us classification9%
B23KSoldering or unsoldering6%
A61BDiagnosis4%
B22FWorking metallic powder4%
C22CAlloys4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,465,262Method for cooling steel strip and cooling apparatus20199,708,702'Wiping device and hot dip coating apparatus using the same'20179,255,304'Cooling system and cooling method of rolling steel'20169,074,277'Plated steel sheet and method of hot-stamping plated steel sheet'20158,715,565'Cooling system and cooling method of rolling steel'20148,666,243'Optical transmission device, optical transmission method, and recording medium thereof'20148,557,064'Method of cooling rail weld zone, and rail weld joint'20138,453,482'Plated steel sheet and method of hot-stamping plated steel sheet'20138,353,443'Device and method for cooling rail weld zone'20137,717,977'Method and unit for continuously producing metal microparticle'20107,470,391'Method and unit for continuously producing metal microparticle'20087,470,308'Method of producing magnetic particles and reaction method using microreactor and microreactor'20087,384,451'Gas-liquid separation method and unit'20087,316,569'Evaluation apparatus of scientific phenomena, educational tool for scientific experiments and method of manufacturing the same'20086,908,693'Sn-based metal-coated steel strip excellent in appearance and process for producing same'20056,649,282'Surface treated steel product prepared by tin-based plating or aluminum-based plating'20035,885,382'Primary cooling method in continuously annealing steel strip'19995,177,751'Laser apparatus'19934,830,194'Granule inspection apparatus'19894,783,609'Rotation detecting apparatus for use with compressor'19884,630,273'Laser device'19864,573,465'Laser irradiation apparatus'19864,313,093'Laser device'19823,986,837'Method of and apparatus for manufacturing single crystal compound semiconductor'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1986Patents assigned to NIPPON INFRARED IND (3)· patent assignee history
1986Based in Kanagawa, JP· patent location history
1993–2019Based in Tokyo, JP· patent location history
1999–2019Patents assigned to NIPPON STEEL CORP (5)· patent assignee history
1999–2005Based in Kitakyushu, JP· patent location history
2008–2010Patents assigned to FUJIFILM CORP (5)· patent assignee history
2008–2010Based in Minami-ashigara, JP· patent location history
2013–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (7)· patent assignee history
2013–2015Patents assigned to SUGIYAMA SEIJI (6)· patent assignee history
2014Based in Fukuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 7 | 2013–2019 |
| SUGIYAMA SEIJIself | 6 | 2013–2015 |
| FUJIFILM CORP | 5 | 2008–2010 |
| NIPPON STEEL CORP | 5 | 1999–2019 |
| NIPPON INFRARED IND | 3 | 1982–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 1993–2019 |
| Minami-ashigara, JP | 5 | 2008–2010 |
| Kitakyushu, JP | 3 | 1999–2005 |
| Kanagawa, JP | 2 | 1986 |
| Fukuoka, JP | 1 | 2014 |