Inventor
Takao Kanno
Inventor
Tokyo, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets24%
C07CAcyclic or carbocyclic compounds8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C10MLubricating compositions8%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions8%
F16JPistons8%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
C30BSingle-crystal growth4%
E21DShafts4%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
9,238,784'Grease for electrical contact and slide electricity structure, power switch, vacuum circuit breaker, vacuum insulated switchgear, and vacuum-insulated switchgear assembling method'20168,394,748'Grease composition and process for producing the same'20137,591,908'Vapor deposition apparatus and vapor deposition method'20097,100,923'Magnetic fluid seal device'20066,733,143'Light shielding structure'20045,785,882'Fluorine-based magnetic fluid'19985,738,802'Fluorine-based magnetic fluid'19985,718,833'Fluorine-based magnetic fluid'19985,240,628'Process for producing magnetic fluid'19934,976,883'Process for preparing a magnetic fluid'19904,956,113'Process for preparing a magnetic fluid'19904,189,257'Sheltering apparatus for use in long wall mining'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2006Patents assigned to NOK CORP (8)· patent assignee history
1990–1998Based in Tokyo, JP· patent location history
2004–2006Based in Fujisawa, JP· patent location history
2009Based in Nishishirakawa, JP· patent location history
2013–2016Patents assigned to KANNO TAKAO (2)· patent assignee history
2013–2016Patents assigned to NITTA TOSHIO (2)· patent assignee history
2013Patents assigned to HASHIMOTO TATSUYA (1)· patent assignee history
2013Patents assigned to HISHINUMA TAKESHI (1)· patent assignee history
2013Based in Ibaraki, JP· patent location history
2016Based in Kitaibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NOK CORP | 8 | 1990–2006 |
| KANNO TAKAOself | 2 | 2013–2016 |
| NITTA TOSHIO | 2 | 2013–2016 |
| HASHIMOTO TATSUYA | 1 | 2013 |
| HISHINUMA TAKESHI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 1990–1998 |
| Fujisawa, JP | 2 | 2004–2006 |
| Kitaibaraki, JP | 1 | 2016 |
| Ibaraki, JP | 1 | 2013 |
| Nishishirakawa, JP | 1 | 2009 |