Inventor
Koichi Nakai
Inventor
Hyogo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning36%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%
B01DSeparation9%
F04DNon-positive-displacement pumps9%
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 systems9%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
PatentTitleYear
8,027,176'Switching power supply circuit'20117,655,060'Dust collection unit for electric vacuum cleaner and upright electric vacuum cleaner'20107,175,682'Electric vacuum cleaner equipped with a dust collection unit'20077,014,675'Electric vacuum cleaner equipped with a dust collection unit'20066,336,244'Electric blower and electric cleaning device using the same'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2010Patents assigned to SANYO ELECTRIC CO (4)· patent assignee history
2002Based in Himeji, JP· patent location history
2006–2010Based in Hyogo, JP· patent location history
2011Patents assigned to K A C JAPAN CO LTD (1)· patent assignee history
2011Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 4 | 2002–2010 |
| K A C JAPAN CO LTD | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 3 | 2006–2010 |
| Saitama, JP | 1 | 2011 |
| Himeji, JP | 1 | 2002 |