Inventor
Kazufumi Oki
Inventor
Kitakatsuragi-gun, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems29%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for14%
G01DMeasuring not specially adapted for a specific variable14%
G02BOptical elements, systems or apparatus14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
PatentTitleYear
11,077,800Vehicle mirror having image display function and method for producing the same20217,223,963'Optical encoder'20077,209,335'Switching power supply apparatus and electric applianance therewith'20077,012,412'Switching power source circuit capable of turning off an “off†drive circuit before a drive control signal becomes active and an electronic device using the same'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2007Patents assigned to SHARP KK (3)· patent assignee history
2006Based in Nara, JP· patent location history
2007Based in Kitakatsuragi-gun, JP· patent location history
2021Patents assigned to FUJIFILM CORP (1)· patent assignee history
2021Based in Minami-ashigara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 3 | 2006–2007 |
| FUJIFILM CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitakatsuragi-gun, JP | 2 | 2007 |
| Minami-ashigara, JP | 1 | 2021 |
| Nara, JP | 1 | 2006 |