Inventor
Hirokazu Takagi
Inventor
Tokyo, JP
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds17%
H01HElectric switches13%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
F25BRefrigeration machines, plants or systems8%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power8%
C10MLubricating compositions6%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions6%
F16FSprings6%
F16NLubricating6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
PatentTitleYear
11,046,630Method for producing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, and composition202111,009,269Heat cycle system202110,787,597Working fluid for heat cycle, composition for heat cycle system, and heat cycle system202010,418,876Compressor and heat cycle system for refrigerator201910,392,546Composition for heat cycle system, and heat cycle system201910,377,686Method for producing 1-chloro-2,3,3,3-tetrafluoropropene201910,233,371Composition for heat cycle system, and heat cycle system201910,131,827Working fluid for heat cycle, composition for heat cycle system, and heat cycle system20189,976,067Composition for heat cycle system, and heat cycle system20189,957,429Composition for heat cycle system, and heat cycle system20189,957,430Composition for heat cycle system, and heat cycle system20189,570,891'Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof'20179,193,649'Purifying method and manufacturing method of 2,3,3,3-tetrafluoropropene'20159,178,339'Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof'20159,142,941'Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof'20159,136,675'Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof'20158,844,913'Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof'20148,766,021'Process for producing 2,3,3,3-tetrafluoropropene'20148,642,820'Process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene and 2,3,3,3-tetrafluoropropene'20148,569,553'Process for producing 2,3,3,3-tetrafluoropropene'20138,530,711'Process for producing 2,3,3,3-tetrafluoropropene'20138,530,710'Process for producing 2,3,3,3-tetrafluoropropene'20138,444,857'Method for purifying fluorinated compound'20138,420,969'Switchgear and switchgear operating mechanism'20138,399,722'Process for producing 2,3,3,3-tetrafluoropropene'20138,330,065'Switchgear and switchgear operating mechanism'20127,868,755'Sensor attached IC tag application high voltage equipment'20117,557,227'Process for producing hexafluoropropylene oxide'20097,408,019'Fluorinated ether compound'20087,189,415'Rapidly disintegrable pharmaceutical composition'20077,092,007'Vehicular forward-vision display system decreasing luminance with decreasing vehicle speed'20067,053,326'Integrated type gas-insulated switching apparatus'20066,969,776'Process for producing fluorinated ketone'20056,899,899'Rapidly disintegrable pharmaceutical composition'20056,803,488'Process for producing fluorinated ketone'20046,743,999'Integrated type gas-insulated switching apparatus'20046,649,853'Combined type fluid pressure driving apparatus'20036,534,683'Process for producing fluorinated alkylamine compound'20035,321,171'Method for producing methyl chloride'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2019Patents assigned to ASAHI GLASS CO LTD (19)· patent assignee history
1994–2011Based in Yokohama, JP· patent location history
2003–2017Patents assigned to TOSHIBA KK (11)· patent assignee history
2003–2017Based in Kanagawa, JP· patent location history
2005–2007Based in Shizuoka, JP· patent location history
2012–2014Patents assigned to TAKAGI HIROKAZU (10)· patent assignee history
2013–2014Patents assigned to OKAMOTO HIDEKAZU (6)· patent assignee history
2013–2021Based in Tokyo, JP· patent location history
2018–2021Patents assigned to AGC INC (8)· patent assignee history
2018–2021Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI GLASS CO LTD | 19 | 1994–2019 |
| TOSHIBA KK | 11 | 2003–2017 |
| TAKAGI HIROKAZUself | 10 | 2012–2014 |
| AGC INC | 8 | 2018–2021 |
| OKAMOTO HIDEKAZU | 6 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 2013–2021 |
| Kanagawa, JP | 10 | 2003–2017 |
| Chiyoda-ku, JP | 9 | 2018–2021 |
| Yokohama, JP | 7 | 1994–2011 |
| Shizuoka, JP | 2 | 2005–2007 |