Inventor
Toshio Ohi
Inventor
Kawasaki, JP
Overview
Patents· 40 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds39%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C01BNon-metallic elements11%
B01DSeparation6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]4%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents3%
C01CAmmonia3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis3%
PatentTitleYear
9,233,987'Method for producing monosilane and tetraalkoxysilane'20169,045,503'Method for producing monosilane and tetraalkoxysilane'20158,829,221'Method for producing monosilane and tetraalkoxysilane'20148,692,038'Fluorine-containing compound purification method'20148,664,438'Process for producing carbonyl difluoride'20148,415,516'Production process and purification process for 1,2,3,4-tetrachlorohexafluorobutane'20138,404,906'Process for producing 1,2,3,4-tetrachlorohexafluorobutane'20138,293,955'Production process for 1,2,3,4-tetrachlorohexafluorobutane and refining process'20128,258,352'Production process for chlorine-containing fluorine-containing compound'20128,030,528'Process for producing 1,2,3,4-tetrachlorohexafluorobutane'20117,820,127'Method and apparatus for producing nitrogen trifluoride'20107,812,202'Process for producing hexafluoro-1,3-butadiene'20107,799,959'Process for producing 1,2,3,4-tetrachlorohexafluorobutane'20107,208,644'Production and use of hexafluoroethane'20077,179,653'Measuring method for concentration of halogen and fluorine compound, measuring equipment thereof and manufacturing method of halogen compound'20077,176,337'Process for producing perfluorocarbons and use thereof'20077,138,553'Method for purifying tetrachloroethylene and process for producing hydrofluorocarbons'20067,102,039'Production and use of octafluoropropane'20067,084,316'Process for purifying pentafluoroethane, process for producing the same, and use thereof'20067,074,974'Process for the production of fluoroethane and use of the same'20067,064,240'Process for producing perfluorocarbons and use thereof'20067,045,668'Production and use of hexafluoroethane'20067,018,598'Process for producing nitrogen trifluoride'20066,967,260'Method for purification of tetrafluoromethane and use thereof'20056,752,975'Combustion exhaust gas treatment process and treatment apparatus'20046,720,464'Production and use of octafluoropropane'20046,489,523'Process for producing hexafluoroethane and use thereof'20026,274,782'Method for purifying hexafluoroethane'20016,162,957'Catalytic decomposition of perfluoro-compound'20006,023,007'Catalytic decomposition of perfluoro-compound'20006,004,377'System for collecting and refining SF.sub.6 gas and method therefor'19995,892,134'Method for producing perfluorocarbon'19995,714,648'Process for producing tetrafluoromethane'19985,710,351'Process for producing hexafluoroethane'19985,675,046'Process for producing perfluorocarbon'19975,444,171'Method for purification of 1,1,1,2-tetrafluoroethane'19955,345,015'Process for producing 1,1,2-tetrafluoroethane'19945,276,223'Process for producing 1,1,1,2-tetrafluoroethane'19944,681,170'Rock drills for drilling continuously arrayed bores'19874,513,570'Manual reset type bimetal thermostat'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2016Based in Tokyo, JP· patent location history
1987Based in Takasaki, JP· patent location history
1994–2016Patents assigned to SHOWA DENKO KK (38)· patent assignee history
1994–1999Based in Kanagawa, JP· patent location history
1995–2010Based in Kawasaki, JP· patent location history
2011–2014Based in Minato-ku, JP· patent location history
2012–2015Patents assigned to OHI TOSHIO (8)· patent assignee history
2012–2015Patents assigned to OHNO HIROMOTO (8)· patent assignee history
2014–2015Patents assigned to ITO HARUAKI (2)· patent assignee history
2014–2015Patents assigned to MAKHMUTOV FANIL (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHOWA DENKO KK | 38 | 1994–2016 |
| OHI TOSHIOself | 8 | 2012–2015 |
| OHNO HIROMOTO | 8 | 2012–2015 |
| ITO HARUAKI | 2 | 2014–2015 |
| MAKHMUTOV FANIL | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 18 | 1995–2010 |
| Tokyo, JP | 8 | 1985–2016 |
| Minato-ku, JP | 7 | 2011–2014 |
| Kanagawa, JP | 6 | 1994–1999 |
| Takasaki, JP | 1 | 1987 |