Inventor
Kazumasa Kamatani
Inventor
Hyogo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning53%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
A44BButtons, pins, buckles, slide fasteners, or the like7%
A63HToys, e.g. tops, dolls, hoops or building blocks7%
B01DSeparation7%
H04MTelephonic communication7%
PatentTitleYear
7,655,060'Dust collection unit for electric vacuum cleaner and upright electric vacuum cleaner'20107,350,263'Electric vacuum cleaner'20087,175,682'Electric vacuum cleaner equipped with a dust collection unit'20077,014,675'Electric vacuum cleaner equipped with a dust collection unit'20066,539,577'Vacuum cleaner suction tool with partition defining air current dust pickup path'20036,192,550'Dust-collecting device for vacuum cleaner and upright type vacuum cleaner'20015,907,889'Vacuum cleaner'19995,768,746'Electric vacuum cleaner'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2010Patents assigned to SANYO ELECTRIC CO (8)· patent assignee history
1998–2010Based in Hyogo, JP· patent location history
2003Based in Kanzaki-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 8 | 1998–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 7 | 1998–2010 |
| Kanzaki-gun, JP | 1 | 2003 |