Inventor
Hitoshi Ohkubo
Inventor
Tokyo, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets41%
Y10TTechnical subjects covered by former us classification13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
G01RMeasuring electric variables5%
G03DApparatus for processing exposed photographic materials5%
H01CResistors5%
H01GCapacitors5%
B29CShaping or joining of plastics3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
F16KValves3%
PatentTitleYear
11,049,641Coil device202111,043,329Coil component202110,998,130Coil component having resin walls202110,943,719Coil component202110,847,312Coil component202010,559,417Coil component202010,468,184Coil component having resin walls and method for manufacturing the same201910,210,974Coil component with covering resin having multiple kinds of metal powders201910,147,540Planar coil element and method for producing the same20189,406,420'Coil component and magnetic metal powder containing resin used therefor'20169,349,522'Coil component'20169,236,171'Coil component and method for producing same'20169,142,343'Coil component'20158,975,997'Planar coil element'20158,183,969'Coil component'20128,048,228'Masking apparatus and method of fabricating electronic component'20117,905,012'Method for manufacturing electronic components'20117,212,095'Inductive element and manufacturing method of the same'20076,191,592'Connection inspecting apparatus for a cord and a method for inspecting a connection of a cord'20016,035,127'Apparatus for closing a film gate in a film cartridge in a single-use camera'20005,862,427'Apparatus for preventing opening of a single-use camera until the light shield is closed'19995,679,420'Polymer resin packaging material for photographic light sensitive material'19975,462,710'Manufacturing method of a flange for use in a film cartridge'19954,781,218'Valve assembly for use in a fuel tank of a vehicle'19884,727,350'Surge absorber'19884,194,148'Measuring apparatus for measuring a charging degree of liquid'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2016Patents assigned to OHKUBO HITOSHI (3)· patent assignee history
1988Based in Toyota, JP· patent location history
1988Based in Kanagawa, JP· patent location history
1995–2000Patents assigned to KONISHIROKU PHOTO IND (4)· patent assignee history
1995–2000Based in Hino, JP· patent location history
2001Based in Iwate, JP· patent location history
2007–2021Patents assigned to TDK CORP (18)· patent assignee history
2007–2021Based in Tokyo, JP· patent location history
2016Patents assigned to ANBO TOSHIYUKI (1)· patent assignee history
2016Patents assigned to ITO TOMOKAZU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 18 | 2007–2021 |
| KONISHIROKU PHOTO IND | 4 | 1995–2000 |
| OHKUBO HITOSHIself | 3 | 1988–2016 |
| ANBO TOSHIYUKI | 1 | 2016 |
| ITO TOMOKAZU | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 18 | 2007–2021 |
| Hino, JP | 4 | 1995–2000 |
| Iwate, JP | 1 | 2001 |
| Toyota, JP | 1 | 1988 |
| Kanagawa, JP | 1 | 1988 |